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Spring steel is a model of load-bearing capacity. Characteristic for this material group are homogeneous microstructures and optimal surfaces. It stands for above-average service life, dimensional stability and constant quality in every end product. Spring steel obtains its special properties through special treatment in the production process, whereby the even distribution of the carbon content is of particular importance. It undergoes several rolling processes and repeated heat treatments in numerous work steps - this is how we guarantee optimum quality for your products! C 67 S - C 100 S/➔ according to DIN EN 10132 - 4 Depending on the customer's requirements, we supply treatment states from soft annealed to high cold solidified.

Rubber-to-metal bonding Our adhesive build-up provides strong bonding between our metal carrier and your rubber. With our know-how, we are able to bond a wide variety of compounds such as NBR, CR, EPDM, SBR etc. for you. Plastic-to-metal bonding Whether PC (polycarbonate), PVC (polyvinyl chloride), ABS (acrylonitrile-butadiene-styrene), CAB (cellulose acetobutryate), PP (polypropylene), TPU (thermoplastic polyurethane), PA (polyamide) and polyolefinic plastics or other thermoplastics as well as duroplastics - we ensure that you achieve optimum adhesion between the plastic and our metal carrier.

An innovation for decorative applications is the stripe coating on our narrow Coil Coating line at First American. This is a complete coil coating process in which we are able to leave tightly toleranced, unpainted stripes on the carrier strip. These give the decorative effect to the finished article, while the coated areas are coated with an adhesive system (e.g. automotive trim material or white coating with a defined black stripe, etc.). As always, all metal strips available on the market can be used as metal carriers; all coatings can also be used. This leads to a smart product, allowing you a multitude of new, innovative applications.

Functional and decorative coating systems In addition to coatings for Coil Coating applications and related areas, SI-Coatings GmbH develops and produces individual paints and varnishes for any application. These are technical, functional and decorative coatings.

In coil coating, an organic coating is applied to the surface of a metal strip in a continuous process. The HUEHOCO portfolio includes both decorative and weather-resistant coatings as well as system solutions for a firm bonding of the metal strip with various rubber compounds and/or various plastics. For technical applications, there are also high-temperature resistant and non-stick as well as anti-friction systems, directly rubber- or plastic-coated metal strips. Since 1989 we have been the first company in the world to offer our customers the opportunity to have their goods delivered "endlessly" wound with more than 200,000 metres in a single strip on metal or plastic spools. Depending on our customers' requirements, we can process all wrought aluminium alloys, stainless steels, steel grades and non-ferrous metals available on the market in various degrees of hardness.

This coating system is mainly used for the coating of cold rolled strip, but can also be applied to other metals. It is applied in the last processing step and enables a special gliding ability and heat resistance on coated surfaces.

We are able to produce various shades of high-quality decorative polyester top coats in small and very small batches using a paste system – resulting in a very competitive pricing for our customers.

Our rubber-coated metal strips are used in numerous applications, such as engine and aggregate seals. In addition to NBR, we also coat metal strip with EPDM, NR, HNBR and FPM in thicknesses of 10 μm - 2 mm. The metal strips can also be coated with an anti-friction coating, which offers extremely high resistance to heat and special sliding ability. The resulting further processing quality enables them to be used wherever parts made of metal strip with sealing, sound-absorbing or vibration-damping properties are required. The very good bonding between elastomer and metal, combined with outstanding deep-drawing properties, shows the superiority of this coating. The metal strips can also be top-coated with decorative lacquers on both the metal and the rubber coated side (e.g. as a distinguishing feature in the company's own production for top and bottom sides).