Even greater heat resistance can be achieved in silicone resin coatings formulated with no organic component: if made with pigment fillers, these coatings can even withstand temperatures of over 650 °C for brief periods of time. This works best with silicone resins that have not been organically modified, such as those used in coatings for engine components. Because cookware and other household items are not subjected to the kind of punishment that pure silicone resin binders can take, these qualities – which also come at a higher price – are not absolutely necessary and wouldn’t be the first choice for the application either. “While maintaining excellent adhesion to a substrate, organosilicone resins allow us to adjust the properties of coatings to match the needs of a given application quite closely – and we can do that at competitive prices,” says Philipp Haas, WACKER’s marketing manager responsible for silicone resin intermediates.
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