Starflex Sealing India Pvt. Ltd. Manufactures Asbestos-Free Sheet Sealing Material with 54% ASTM Recovery. Starflex Sealing India Pvt. Ltd. Manufactures Spiral Wound Gaskets, Sheet based and cut gaskets, Tooth Profile Gaskets, Jacketed Gaskets, Envelope Gaskets, and Gland Packings. The Asbestos-Free Sheet Sealing Material with 54% ASTM Recovery is reinforced with cellulose and glass fibres. The Asbestos-Free Sheet Sealing Material with 54% ASTM Recovery is recommended for low temperature, medium pressure applications. It is particularly suitable for sealing hot and cold water and mild chemicals.