... the dense mesh structure, can effectively prevent flame FS - E elastic fire sealant is a low modulus, aggregate-organ ... halogen, sulfur and toxic ingredients, Watertight, smoke, airtight, No corrosion, safe environmental protection, Smoke non-toxic, Efficient flame retardant, Construction is ... the backing materials;3, coating thickness of FS - E stipulated in backing material,4, use tools sync FS ...