Wacker to showcase two new silicone resin binders at European Coatings Show in Nuremberg, Germany, March 28–30; SILRES M 51 E and SILRES IC 900 are suitable for manufacture of industrial coatings that can withstand high temperatures

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MUNICH, Germany , February 3, 2023 (press release) –


WACKER, the Munich-based chemical company, will be presenting two new silicone resin binders at the next European Coatings Show (ECS): SILRES® M 51 E and SILRES® IC 900. Both products are suitable for manufacturing industrial coatings that can withstand high temperatures. While SILRES® M 51 E has been designed for formulating water-based coatings, SILRES® IC 900 is a methyl phenyl silicone resin for thick-film and high-solids coatings that remain stable at high temperatures. Both binders can be processed to make coatings that, after baking, adhere well to metallic materials such as steel or aluminum and can withstand temperatures of up to 600 degrees Celsius given suitable pigmentation. ECS 2023 will be held in Nuremberg, Germany, March 28 – 30.

SILRES® M 51 E is a functional methyl silicone resin finely dispersed as tiny droplets in an aqueous medium. Using this kind of formulation for application on metal substrates is novel. The properties of water-based paints in which SILRES® M 51 E is the sole binder are similar in quality to those of heat-resistant coatings containing solvent-based silicone resin binders. Aqueous paint formulations dry quickly and, after baking, possess exceptional chemical and mechanical strength. Following thermal stress, coatings show excellent color and gloss resistance.

Components coated with the resulting water-based paint can be processed quickly – the surface is tack-free just fifteen minutes after application, making the coating process highly efficient. In addition, coatings based on SILRES® M 51 E produce significantly less smoke when first heated than is the case with comparable heat-resistant water-based paints. This allows paints and coatings manufacturers to formulate products that release far lower quantities of volatile organic compounds (VOCs) than their solvent-based counterparts. Typical applications include vehicle exhaust systems, ovens and stoves, range hoods, fireplaces, pots and pans, as well as pipes and plant components in the petrochemicals industry.

SILRES® IC 900 for Heat-Resistant Thick-Film and High-Solids Coatings

SILRES® IC 900 was designed as a binder for solvent-based paints and coatings that need to withstand high temperatures. The product, which consists of an alkoxy-functionalized methyl phenyl silicone resin, is delivered as a pure, undiluted active ingredient. Its low viscosity also enables the development of high-solids coatings. Because the solids content of these systems is over 80 percent, their solvent content is correspondingly low.

The methyl phenyl silicone resin is characterized by a molecular structure which, when crosslinked, results in a close-meshed network that still exhibits a certain flexibility. That flexibility prevents cracks from forming in the cured coating layer, especially under conditions of thermal stress. It follows that SILRES® IC 900 makes it possible to produce coatings that can be applied in thick layers.

SILRES® IC 900 is a silicone resin binder for high-temperature applications that permits dry-film thicknesses of over 100 micrometers. Thick-film coatings like these do an especially effective job of protecting the metallic substrate. They are also easier to use than conventional coatings, which have to be applied in relatively thin layers of consistently uniform thickness. Thick-film coatings make maintenance work easier to perform, especially in difficult-to-access areas.

Coatings based on SILRES® IC 900 can be formulated as either one- or two-component products. Upon curing, these coatings are highly resistant to chemicals, and their color remains stable. SILRES® IC 900 provides reliable protection from corrosion, particularly in chemical plants and piping systems subject to exceptional thermal stress.

Visit WACKER at the European Coatings Show 2023 in Hall 1, Booth 1-206.


Wacker Chemie AG
Media Relations & Information
Florian Degenhart

Tel. +49 89 6279-1601
Email florian.degenhart@wacker.com
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