Cabot launches new hydrophilic product for LSR applications

ERJ staff report (TP)

Boston − Cabot Corporation announced on 11 December the launch of CAB-O-SIL CLARUS 3160 fumed silica, a new hydrophilic product for liquid silicone rubber (LSR) applications.

This new fumed silica is designed to improve performance in clear silicone rubber by providing a high level of reinforcement without sacrificing transparency, and with minimal discoloration due to aging. The high structure and surface area, nominally 400 metres square/gram, can deliver up to a 10 percent improvement in transmission, leading to greater clarity, and up to a 30 percent reduction in yellowing upon aging when compared to lower surface area, eg 300 metres square/gram, alternatives typically used in this application.

CLARUS 3160 fumed silica enhances Cabot’s product portfolio by satisfying the performance requirements of high-end transparent LSR applications such as consumer products, medical and lighting. Cabot developed CLARUS 3160 fumed silica to address regional demand in Asia-Pacific for a high performance additive, specifically targeting compounders that prefer high surface area fumed silica.

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Press release from Cabot