Addition Silicone Rubber
Addition Silicone Rubber
GOLOHOproduces no by-productsrtv greasein the curing process, allowing their use in deep section and complete confinement.GOLOHOAddition Silicone Rubberhas two types, one is one-part silicone rubber, the other is two-part silicone rubber.One-part additionsilicone rubberis heat-cured, thermally conductive adhesives. These adhesives will develop good, primerless adhesion to a variety of common substrates including metals, ceramics, epoxy laminate boards, reactive materials and filled plastics.For most users, GOLOHO Addition Silicone Rubber should be operational over a temperature range of -45-200℃ for long periods of time. However, at both the low and high-temperature ends of the spectrum, the behavior of the materials and performance in particular applications can become more complex. So additional tests should be executed before use.
Long-term, reliable protection of sensitive circuits and components is important in many of today’s delicate and demanding electronic applications. Addition-curesiliconeshould be cured at 100℃ or above the cure rate is rapidly accelerated with heat. Addition-curing materials contain all the ingredients needed forcurewith no by-products from the cure mechanism. Deep-section or confined cures are possible. Cure progress evenly throughout the material. One-part addition-cure silicone rubber should be kept tightly closed at low temperature (below 5℃).Two-part addition silicone rubberareroom temperature or heat acceleratedcure. When the two components are thoroughly mixed in a 1 to 1 mix ratio, cure reaction begins. Initially,cureis evidenced by a gradual increase in viscosity, followed by gelation and conversion to a solid, flexible elastomer, which is well suited for the protection of electrical/electronic applications. They cure without exotherm at a constant rate regardless of sectional thickness or degree of confinement. Thus, deep section and complete confinement are preferred. At the same time, no by-products are produced in thecureprocess. Two-part addition-cure silicone rubber should be kept tightly against oxygen and moisture at room temperature.
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