RTV142

RTV142 one-component, ready-to-use adhesive sealant cures to a tough, durable, resilient silicone rubber on exposure to atmospheric moisture at room temperature. Methyl alcohol vapors are released from the sealant surface as a by-product of cure. These vapors have low odor and are non-corrosive to metals. An important property of RTV142 is its low volatility.

 

RTV142 sealant has a thixotropic paste consistency. This allows it to be applied to vertical and overhead surfaces without sagging. Since it utilizes a moisture cure system, RTV142 sealant should not be used in thicknesses of greater than 6mm (¼ inch). When section depths exceed 6mm (¼ inch), Momentive Performance Materials one-component, addition cure or two-component silicone rubber compounds are suggested.

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Silicone RTVs for Low Outgassing Applications
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