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Skin-safe, durable coated textiles for use in the manufacture of ambulatory and pneumatic tourniquets. Tourniquets are non-invasive medical devices that are used on patient limbs to restrict blood flow in a specific area in order to achieve a bloodless surgical field. A tourniquet often has tubing inserted to allow air to pass through, which inflates the cuff and restricts the blood flow. There will also be a plastic insert used to give the cuff strength. Types of cuff are: Ambulatory Tourniquet The key feature of this cuff is that there should be no air loss within the system, as high pressure is required to ensure the patient has the best possible chance of surviving transport. Pneumatic Tourniquet / Surgical Tourniquet These can be single or dual-bladder cuffs designed to create a bloodless surgical field by applying pressure to blood flow in a limb. They are used during surgical procedures, quite often for orthopedic surgery, such as knee replacements.

The Dartex® Endurance range was specifically engineered to withstand harsh chemical cleaning. With its exceptional lifetime, is this the toughest healthcare fabric in the world? CHEMICALLY RESISTANT The special polyurethane coating, specifically designed to resist chemical attack has been proven in case studies to lead to a 10-fold reduction in failure rate as a result of coating deterioration (27% to 1.9%). Better chemical resistance leads to: • reduced risk of hospital acquired infections • increased lifetime value of the mattress • lower mattress replacement rate, which in turn greatly speeds up and simplifies the process of auditing mattresses. BREATHABILITY The moisture vapour transmission (MVT) properties of PU keeps skin cool and dry, unlike PVC which doesn’t ‘breathe’ STRETCH & RECOVERY Essential for pressure redistribution and the prevention of avoidable pressure injuries EASILY CLEANED Either wipe clean or machine washable APPLICATIONS.

Knight Optical can offer infra-red interference Shortpass filters for use in Heat Shielding. We supply a range of infra-red interference Shortpass filters for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Knight Optical supply precision optical components to customers in Heat Shielding. Infra-red interference Shortpass filters are designed to transmit wavelengths shorter than the “cut-off” of the filter and to block bands above that. In many systems that require heat shielding while still needing visibility a shortpass filter can be used. These can attenuate infrared radiation and allow through visible light, which allows your temperature sensitive equipment to be visible. They can also be paired with a longpass filter to make a bandpass filters. Read PDF for more Information….. Material::(Fused Silica/Silicon/Germanium) Diameter & aperture (mm)::12.5mm ±0.1 (8.5mm aperture) Thickness (mm)::≤6.1mm +0/-0.1 CWL tolerance (nm)::± 20% of FWHM FWHM tolerance (nm): :± 20% of FWHM Optimum operating temp::23°C Edge treatment::Mounted in black anodized aluminium ring Surface quality: :80/50 Per MIL-0-13830A Usable temperature limits::-50°C to +80°C

Knight Optical can offer UV Fused Silica Lenses for Solid State Laser applications. UV FS is a prime choice for lenses in use with Solid State Lasers due to its consistently high transmission in the UV/VIS/NIR regions. This means that it can be used with a range of different laser types, such as Titanium-doped sapphire (tuneable to 660-1080nm) or Alexandrite (tuneable to 700-820nm) with very little change in performance. UV FS is comparable to N-BK7 or other similar optical glasses in its performance, having a very similar average transmission over the VIS range up to approximately 2000nm and a slightly lower refractive index. The Abbe constants of UV FS are also very similar to that of N-BK7, although slightly higher. Read PDF for full specification Material::UV Grade Fused Silica Operating Wavelength:587nm Diameter Tolerance::+0 / -0.10mm Centring Tolerance::<5 arc min Focal Length Tolerance::± 0.2mm (<10mm) ±2.0% (10mm – 1000mm) Centre Thickness Tolerance:±0.2mm

An advanced technology used specifically within retinal imaging and analysis - Optical Coherence Tomography otherwise known as OCT is an advanced technology used specifically within retinal imaging and analysis. This non-invasive technology was designed to provide highly detailed images of the retina as well as the optic nerve. It uses light waves to take cross-section images of your retina, using OCT it is possible to see each of the retina’s distinctive layers. Within OCT’s, a light source with a broad optical bandwidth is used for illumination and is split by a Non-Polarising Beam-Splitter into 2 paths referred to as the reference and sample arms. The light from both the reference and sample arms are reflected back and combined at the detector. An interference effect is seen at the detector in the reference and sample arm only if the time travelled by the light is nearly equal. Read PDF for more info Material::N-BK7 or Equivalent; UV Grade Fused Silica Dimension Tolerances::+0, -0.02mm Flatness::λ/4 over 25mm Surface Quality::<40/20 Scratch/Dig Angles::+/-1 arcmin Coatings::Typically 50:50; 70:30; 90:10 Ratio Split

Knight Optical can offer Circular Sheet Polariser for use within Photographic Applications. We supply a range of Circular Sheet Polariser for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Knight Optical supply precision optical components to customers within Photographic Applications. Our Circular Polarisers consist of a quarter wave plate cemented to a linear polariser. While a linear polariser may be used to reduce glare during photography (such as reflection from the surface of a body of water), autofocus systems struggle to correctly focus on linearly polarised light. With the addition of the quarter wave plate, this has little impact on the intensity of incident light to the sensor, but it makes autofocussing much easier. For more information read PDF… Shapes: :Circular Polarisers, Square Polarisers Dimensional Tolerances::+/- 0.5mm

Introducing sensing solutions for medical support surfaces from Dartex®. This innovative technology developed exclusively for use with Dartex® coated textiles, offers multiple sensing solutions for monitoring the patient condition in real time. Utilizing the latest knitting technologies, the sensors are woven into the textile and protected with industry trusted Dartex® polyurethane. When integrated with the bed system, vulnerable pressure points can be monitored and the sensors alert the patient and/or carer to reposition, either physically or mechanically. This eliminates the need for unnecessary interventions by the caregiver. Sensors can be configured to monitor; incontinence, humidity, movement, pressure and more… KEY BENEFITS • All key support surface properties maintained – functions as a support surface for avoidable pressure injury prevention • Eliminates the need for additional medical devices • No additional layers between patient and support surface

Knight Optical can offer Rhomboid Prisms for use within Imaging Applications. We supply a range of Rhomboid Prisms for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Knight Optical supply precision optical components to customers within Imaging Applications. Rhomboid Prisms are designed to displace a beam laterally while maintaining its direction. Rhomboid prisms rely on total internal reflection and so do not often need to be coated For more information read the PDF… Material::N-BK7 or equivalent Dimensional Tolerances::+/- 0.2mm Angles::+/- 3 arc minutes Surface Figure::< 1 waves Surface quality::< 40-20 Scratch/Dig Coatings::< AR Coatings available on request

Sapphire (Al2O3) is one of the hardest minerals and optical materials available for use in the range from UV up to 5µm. Sapphire is birefringent and if its use is for critical optical application then the crystal might have to be cut along the zero degree plane, or C-Cut. Random cut is usually cut along a plane that is 60° off-axis as the growth in this direction is the easiest to grow. Random cut is anything that is not the C-Cut angle. Sapphire can fluoresce depending upon the concentration of other minerals within the lattice, for example Iron (Fe) or Chromium (Cr). Clear Sapphire might fluoresce orange when illuminated by UV light if impurities are in the crystal. Fluorescent free Sapphire has to be grown from 'pure' feedstock and seed and in an environment that cannot place impurities into the lattice. Click PDF link to read more …... Material::Random-Cut Sapphire Diameter::+0.0 / -0.20 mm Length,width::±0.1 mm Thickness::±0.1 mm Flatness::<5λ Surface quality::<60-40 scratch/dig Parallelism::5 arc min

Due to high intensity light from the laser, mirrors used with a laser application require a high damage threshold, and high reflectivity. Knight Optical can help! Laser mirrors are used to reflect or redirect the laser. This manipulation of the beam means it is great for laser applications where there is limited space, as the beam can be steered multiple times. We manufacture mirrors used in the UV/VIS/NIR and infrared. We provide a number of mirrors from stock with coatings at infrared wavelengths such as: Dielectric (98% NIR) Protected Silver (96% VIS/NIR) Protected Gold (97%@750-FAR IR) These are available to purchase from stock in a wide ranges of sizes from 6.3 mm in diameter to a 300mm x 300mm square and various different thicknesses. They are also available with varying flatness specifications with λ/10 also available for immediate shipment and for you to achieve the highest performance. Read PDF for full specification..

Knight Optical can offer you stock and custom lambda/10 mirrors for use in imaging applications, in a range of materials such as BK7 or equivalent, Zerodur, Quartz, UV Fused Silica and many more. Mirrors are made from low expansion glass for optimum stability to maintain the lambda/10 flatness. The mirrors help produce high quality images and can be coated with a variety of coatings to ensure that the perfect quality image in the wavelength you require is achieved: •Enhanced aluminium 94%R for visible applications. •99.9% dielectric for laser use in visible applications. •UV aluminium for UV applications down to 180nm. •98.5% dielectric for laser use in the NIR applications. •Ion plated silver for NIR-2000nm applications. •Protected gold for 750nm to far infra-red applications Lambda/10 mirrors are used to produce a better quality signal from the mirror, resulting in a higher quality imaging. Read PDF for more information… Material::N-BK7 (or equivalent), Zerodur, UV Fused Silica, Borosilicate Shape::Circular, Square or rectangular Dimensional Tolerances::+/- 0.5mm Parallelism::< 3 arcminutes Surface quality::<10-5 Scratch/Dig Flatness:: λ/10 or λ/20 over 90% of mirror aperture Coating::A range of mirror coatings to suit your wavelength

Knight Optical can offer UV Fused Silica Lenses for Flame Detection Applications. UV Fused Silica can be used in Flame Detection Applications, due to its high transmission into the NIR range (approximately <92% avg 400-2000nm) meaning that a clear distinction can be made between different wavelengths of light. UV FS also has a very low coefficient of thermal expansion 0.55x10-6K-1 at 300K) compared to N-BK7 (7.1x10-6K-1), meaning that it can still provide optical performance under high temperature. UV FS also has a high melting point compared to N-BK7, providing further protection for your application in high temperature environments. UV FS is comparable to N-BK7 or other similar optical glasses in its performance, having a very similar average transmission over the VIS range up to approximately 2000nm and a slightly lower refractive index. The Abbe constants of UV FS are also very similar to that of N-BK7, although slightly higher. Read PDF for more info Material::UV Grade Fused Silica Operating Wavelength::587nm Diameter Tolerance::+0 / -0.10mm Centring Tolerance::<5 arc min Focal Length Tolerance::± 0.2mm (<10mm) ±2.0% (10mm – 1000mm) Centre Thickness Tolerance::±0.2mm Surface Figure::3/ 3 (1) Surface Quality: :<40-20 Scratch/Dig Coating::Optional

KO can offer Metallic Neutral Density Filters for use in Photographic Applications. We supply a range of Metallic Neutral Density (ND) Filters for a variety of applications – all individually QA checked and metrology tested for quality to ensure parts meet customers’ specifications. What’s more, our Metallic ND Filters are supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Our Metallic ND Filters reflect (with a metallic coating) light neutrally over a wavelength range (typically visual). They can be used to lower the intensity of light prior to the image plane. These are often used in photography, allowing photographers more flexibility with their setups to achieve desired effects. Often, an ND filter will be used in conjunction with a long exposure to prevent washed-out and overexposed images. They can also be used to add motion blur, reduce depth of field and to use a wider aperture. For more information read PDF… Shapes: :Circular Filters, Square Filters Dimensional Tolerances::+/- 0.1mm Flatness::< 5(1) @ 632.8nm Surface quality::< 40-20 Scratch/Dig

Knight Optical offer a range of Stock Ball Lenses and Half Ball Lenses, for use within Fibre Lasers. As the name suggests ball lenses are completely spherical lenses mostly made out of High Refractive Index Glass such as Sapphire, and LASFN-9 Glass. The reason ball lenses are most commonly used is for their ability to focus light when leaving a fibre optic, so that it can therefore be used for a laser application. The key feature of ball lenses is their short back focal length allowing for precision coupling where size or space is a limiting factor in the system. Ball lenses are typically used in pairs with one lens acting as a collimator for the second to focus the light back into the coupled fibre. Where a more compact solution is required a half-ball lens is typically more suitable. We hold a large inventory of Ball Lenses. •Stock sizes from 0.5 5mm to 10mm diameter. •Custom sizes available to quotation. •Half Ball lenses also available. Material::BK7 or equivalent, Sapphire, Ruby, Quartz Diameter Tolerance::+/-2.5µm Figure (sphericity)::1λ Focal Length Tolerance::± 0.2% (<10mm) Wavelength Range::0.17 – 5.5µm Surface quality::<40-20 Scratch/Dig

Knight Optical can offer you Custom Sapphire Cylindrical Lenses, for use within Endoscopes. We supply a range of Sapphire options for a variety of applications – all individually QA checked and metrology tested for quality to ensure parts meet customers’ specifications. What’re more, our Sapphire Cylindrical Lenses are supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Sapphire (Al2O3) is one of the hardest minerals and optical materials available for use in the range from UV up to 5µm, making it ideal as a protective window for camera systems. Cylindrical lenses are designed to focus light into a straight line, rather than to a single point. As the name suggests, the lens surface has a cylindrical shape rather than the usual spherical formation, which allows for one-dimensional shaping of light along a line. Cylindrical lenses are often used to change the profile of laser beams; for example Read PDF for more info Dimensional tolerance: :+/- 0.1mm Figure (sphericity)::1λ Focal Length Tolerance::± 0.2% (<10mm) Wavelength Range::0.17 – 5.5µm Surface quality::<40-20 Scratch/Dig Coating::A range of Anti-Reflective (AR) coating options

Knight Optical can offer UV Fused Silica Windows for Vacuum Applications. UV Fused Silica is a relatively hard optical glass with a very low coefficient of thermal expansion. This means that it is a good choice for us in Vacuum applications, as any difference in temperature will not affect the optical performance. In addition to the above, UV FS has high transmission from UV to NIR meaning that there is little loss of image when it is used for a Vacuum Window/viewport and therefore the quality of the optical system is not compromised. All our UV Fused Silica Lenses are fully inspected on their quality in our ISO 9001 certified, state-of-the-art Metrology laboratory, using our Trioptics Optispheric, and Starrett AV300 and Zygo Verifire XPZ. This allows us to work to the highest QA standards and meet the tolerance specifications on these precision components Read PDF for more info Material::UV Grade Fused Silica Operating Wavelength::587nm Diameter Tolerance::+0 / -0.10mm Centring Tolerance::<5 arc min Focal Length Tolerance::± 0.2mm (<10mm) ±2.0% (10mm – 1000mm) Centre Thickness Tolerance::±0.2mm Surface Figure::3/ 3 (1) Surface quality::<40-20 Scratch/Dig Coating::Optional

Knight Optical can offer you Plane Mirrors (general, λ/1 and λ/4), for use within Fibre Optic Applications in a range of materials such as Soda-lime float glass, white float glass, and BK7 glass. Our plane mirrors are used within fibre optic applications such as testing the fibre optic signal to help understand the strength of the signal. Plane mirrors also known as front surface mirrors or first surface mirrors are used widely within Fibre Optic applications. As stock we hold many general purpose, λ/1 and λ/4 with a range of up to 6 types of coatings such as Enhanced Aluminium, Ali/SiO2 and Ali/Mgf2. Our general purpose grade mirrors are made from good quality float glass and generally available in thicknesses of 1mm, 3mm and 6mm as standard. READ PDF FOR MORE INFORMATION Material::Soda lime float glass, BK7 or equivalent Diameter Tolerance::+0/-0.2mm Lengths/ width::±0.3mm (≤100mm), ±0.5mm (>100mm Thickness::±0.25mm Surface quality::<60-40 scratch/dig for general purpose, <40-20 scratch/dig for λ/4 1.1mmthk::1λ over 10mm dia. 3/6mmthk: :2λ over 25mm dia. Parallelism::<3 arcmin

Knight Optical can offer Gelatine Neutral Density Filters for use in Photographic Applications. We supply a range of Gelatine Neutral Density Filters for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Knight Optical supply precision optical components to customers within Photographic Applications. Our Neutral Density Filters attenuate light neutrally over a wavelength range (usually visual). They can be used to lower the intensity of light prior to the image plane. These are often used in photography, allowing photographers more flexibility with their setups to achieve the desired effects. Often an ND filter will be used in conjunction with a long exposure to prevent washed out and overexposed images. For more information rread the PDF …. Shapes::Circular Filters, Square Filters Dimensional Tolerances::+/- 0.1mm Density::+/- 5% Surface Quality: :< 60-40 Scratch/Dig

The Graham & Sleevit DF Series is a line of durable tamper evident label applicators suitable for a wide range of applications. For over half a century, Accraply has been the UK’s leading provider of labelling equipment. These labelling machines are customisable to fit your exact specifications. They engineered for easy installation and maintenance, allowing you to easily reach your production goals. Accraply’s line of Graham & Sleevit tamper proof labelling machines can reach production speeds up to 300 products per minute. They can manage many materials, proving to be most suitable for PVC, rPET/PETG, OPS, and PLA. These machines are suitable of sleeving products from 20mm up to 195mm in dimeter at sleeve lengths from 20mm up to 50mm. The State-of-the-art servo film feed facilitates easy setup providing accurate sleeve placement. The design philosophies utilised on our range of Tamper Evident Applicators are adapted to our Full / Part Body Sleeve Applicators. Sleeve Length::25 mm - 50 mm Maximum speed::Up to 300 products per minute Material Type::PVC, rPET/PETG, OPS, PLA Material Thickness::40 - 70 microns

Shadow gap beads provide a shadow gap between the wall and ceilings, skirting boards and door frames.

Corner beads provide a clean edge and impact protection on external corners. We also stock PVC skim arch beads, which create smooth curves in arched reveals.

Renderplas range of PVC bellcast / drip beads are designed to provide a stop to the render just above the damp proof course and above reveals to produce a straight edge, provide protection against impact and deflect rain water. They can also be used as an architectural feature at each story to provide a shadow. Colours: Stocked in white and ivory and seven further colours across all PVC bead profiles except B9 which is supplied in white only. Product codes: B9, B10, B15, B20

Shadow gap or architrave beads provide a shadow gap between the wall and ceilings, skirting boards and door frames.

ClearPore depth filters are a range of high efficiency melt blown depth filters available in a range of materials to ensure particulate removal from liquids when there is a wide side range of particulate contamination. ClearPore filters are manufactured from either 100% polypropylene or nylon fibers to create graded density and high contamination holding capacity. The range are available in a range of absolute or nominal removal ratings. Products are manufactured from FDA approved materials and conform to all required EU guidance of food safety. ClearPore depth filters are used in a range of industrial and F&B applications, such as bulk chemicals, industrial water treatment, cooling water, plating, parts cleaning, drinking water treatment, desalination and food & beverage applications requiring haze or colloidal removal

PRODUCTS CATEGORIES •Bib •Extreme Waterproof Bib & Brace •Extreme Waterproof Jacket •Extreme Waterproof Smock •Performance Lightweight Waterproof Bib & Brace with Ankle Zips •Performance Lightweight Waterproof Jacket •Performance Lightweight Waterproof Trouser •Performance Midweight Waterproof Bib & Brace with Ankle Press Studs •Performance Midweight Waterproof Jacket •Performance Midweight Waterproof Trouser with Ankle Press Studs •Premium Bib •Premium Smock •Premium Trouser •Smock •Thermal/Winter Lined Coverall •Trouser •Working Extreme Lightweight and Breathable Bib •Working Extreme Lightweight and Breathable Jacket •Working Extreme Lightweight and Breathable Trouser ** Click for more **

Porefilter CleanPore bag filter range offers a wide range of replacement bag and mesh filters for initial conditioning and clarification of liquids and solutions in industrial and food & beverage applications, offering a high solids removal capability. CleanPore bags are offered in a wide range of materials, micron ratings (extended life and high efficiency options available), lengths and collars or rings allowing Porefilter to offer a cost-effective alternative bag to any existing application. In combination with PVBI industrial or PVBH hygienic bag filter housings offer simplex or duplex industrial filtration systems for new installation or plant expansions. All CleanPore bag filter are Silicone free. Porefilter as well as a complete range of liquid filter bags to fit all standard size filter housings plus we offer a customising service for bag supply upon request.

PRODUCTS CATEGORIES Bib & Brace Jacket with hood Lightweight Jacket Lightweight Trousers Multi-norm Jacket Multi-norm Trouser Smock with hood Trouser Visible Xtreme Jacket Visible Xtreme Trouser ** Click for more **

PRODUCTS CATEGORIES •Bib & Brace •Jacket with hood •Smock with hood •Trouser •Working Xtreme Bib •Working Xtreme Jacket •Working Xtreme Trouser ** Click for more **

Rotafix Engineering Adhesive is a high strength structural epoxy adhesive, part of the Resiwood product range. The 2-part unfilled epoxy adhesive has a degree of flex which makes it well suited to wood engineering and timber applications. The slow setting nature of Rotafix Engineering Adhesive lends itself to working on site where time is needed to create and move joints prior to finalising the assembly. Additional Information: Compressive Strength: >60N/mm2 Tensile Strength: 40N/mm2 Tensile Modulus: 3GPa Flex Strength: 70N/mm2 Bond Strength: 6N/mm2 Specific Gravity: 1.1 Workable for 6 hours at 20°C Supplied with: Cartridge set Nozzle Follower plate Available Sizes: 400cc (Product code: 3560)

Silicone Sealants, Polyurethane Adhesive/Sealant, Neoprene and acrylic sealants are all available in varying colours and pack sizes. ** Ask for a quote **