... nuclear-radiation-resistant composite functionalmaterials, and we have supply fire proof materials and construction design to different Chinesepower station, ... shielding, Excluding halogen, sulfur and toxic ingredients, Watertight, smoke, airtight, Smoke non-toxic, 40 years long-term performance; Construction is ... integrity≥2h,Refractory GeReXing≥2h silicone rubber (fire two-component)- fireproof