Heavy Duty Silicone Coated Fiberglass Cloth for Expansion Joint 3784-1160. Heavy Duty Construction: 840 g/m2 glass base with 320 g/m2 silicone coating on both sides for superior strength. Fire Resistant A2 Rating: Meets A2 fire rating standards, resisting sparks and molten metal splash effectively. Chemical & Water Resistance: Sealed yarns resist water, oils, and most chemicals without fraying at cut edges. Customizable Dimensions: Width and length can be customized to fit specific project requirements. Free Sample Availability: Free sample pieces provided for customers to test against their specific processes. Versatile Applications: Ideal for welding blankets, expansion joints, thermal shields, and electrical insulation. OEM/ODM Capabilities: Full customization available from samples, designs, or full customization options. ISO Certified Quality: Manufactured by a professional factory with ISO certification and 100% product inspection.