BELLOFOAM closed cell silicone sponge sheeting

Marsh Bellofram Groupvisit website


Bellofram Silicones, a division of the Marsh Bellofram Group of Companies, is announcing the global market introduction of BELLOFOAM, a proprietary, closed cell silicone sponge sheeting, designed to support a variety of industrial, manufacturing, gasketing, insulation, sealing, and padding requirements in automotive, aerospace, factory floor, industrial, medical, pharmaceutical industries.

Offered in a variety of densities, thicknesses, and pigment-matched colours, BELLOFOAM is produced in bun form. The bun provides the core from which sheets are skived horizontally, allowing Bellofram Silicones to offer a product with higher consistency and 25 per cent less weight than other closed cell silicone sponge sheeting available on the market. This method also allows Bellofram Silicones to produce up to 2.000” thick sheets, depending upon customer requirements. The closed cell design of BELLOFOAM is designed around the ASTM D 1056 specification for prevention of water absorption. Three density ranges are available to meet requirements of ASTM D 1056 2D1, 2D2 and 2D3 (AMS 3195). A flame-retardant version offers a UL Certification to UL 94 V, 0. In addition, BELLOFOAM fluorosilicone sheets and buns meet AMS 3323 Class 1 requirements. Customers may also opt to purchase buns to skive their own sheets. Pressure-sensitive adhesives may also be added, in support of assembly requirements.

For customer convenience, Bellofram Silicones BELLOFOAM closed cell silicone sponge sheeting is available for immediate online order, in 36-inch-square sheets, and with a variety of standard colours and thickness, including flame-retardant additive options, via the company’s website, at

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