... dense mesh structure, can effectively prevent flame FS - E elastic fire sealant is a low modulus, aggregate- ... and toxic ingredients, Watertight, smoke, airtight, No corrosion, safe environmental protection, Smoke non-toxic, Efficient flame retardant, Construction ... out bondingWithout destroying11Mass loss≤5%,and the specimens are no crack12Fireproof property Refractory integrity≥2h,Refractory GeReXing ...