UV-Curable Fumed Silica for Nano-Silicon Fire-Resistant Glass

Fumed Silica （Nano Silica） for Fire-Resistant Glass | High-Purity Nano Silica Sol for Class A Fire Glass Manufacturer: ANDEHU NEW MATERIALS (SHANDONG) CO., LTD 1. Product Overview Andehu New Materials is a leading Chinese manufacturer of Fumed Silica （Nano Silica） for fire-resistant glass, supplying high-purity nano silica sol for grouted fire glass to global fire glass producers and curtain wall contractors. Our inorganic Fumed Silica （Nano Silica） for Class A insulating fire glass is specially formulated for cast-in-place and laminated fire glass production, addressing common issues like alkali efflorescence, low transmittance and poor weather resistance in traditional sodium silicate fire gel systems. As a core fire glass interlayer material, this aqueous nano-silica dispersion delivers stable colloidal properties, controlled particle size from 60nm to 120nm, and solid content from 30% to 55%, supporting fire endurance from 0.5 hour to 3.0 hours. It is widely used as a silica-based fire gel raw material for building fire doors, fire partitions, curtain wall glazing and escape route fire barriers. 2. Why Choose Our Fumed Silica （Nano Silica） for Fire Glass High-purity nano silica for fire glass: SiO₂ ≥99.8%, low sodium formula inhibits alkali efflorescence Controlled particle size silica sol for fire gel: 60–120nm graded sizes match different pouring and lamination processes High-transmittance fire glass Fumed Silica （Nano Silica）: ≥88% visible light transmittance, refractive index matched to glass, no haze Weather-resistant Fumed Silica （Nano Silica） for exterior fire glass: curtain wall grade available with 1000h QUV aging resistance Storable nano silica for fire glass production: 12+ month shelf life, suitable for bulk stock and long-distance shipping 3. Fire Protection Mechanism of Fumed Silica （Nano Silica） Fire Gel When exposed to fire, the Fumed Silica （Nano Silica） fire-resistant interlayer undergoes dehydration, polycondensation and ceramization: 1.Water evaporation absorbs latent heat and slows temperature rise 2.Silica nanoparticles crosslink into a 3D network and densify 3.Above 800℃ the layer ceramizes into a rigid refractory barrier with thermal conductivity below 0.12W/(m·K) This three-stage reaction makes nano Fumed Silica （Nano Silica） one of the most effective inorganic materials for Class A fire-rated glazing. 4. Compatible Fire Glass Manufacturing Processes Our Fumed Silica （Nano Silica） for pouring fire glass works with standard grouting lines including vacuum degassing, vacuum infusion and gradient curing. It is also suitable as Fumed Silica （Nano Silica） for laminated composite fire glass when blended with thickeners for coating and lamination processes. 5. Typical Specifications 表格 Item Value Product name Fumed Silica （Nano Silica） / Nano Silica Sol for Fire-Resistant Glass SiO₂ Content 30% – 55% Average Particle Size 60 – 120 nm pH 9.0 – 10.5 Viscosity 10 – 50 mPa·s Light Transmittance ≥88% Fire Rating Class A, 0.5 – 3.0 h Shelf Life ≥12 months 6. Applications Fumed Silica （Nano Silica） for interior fire doors and windows Silica sol for building fire partition walls Fumed Silica （Nano Silica） for curtain wall fire-rated glazing Nano silica for high-rise building fire-resistant glass Fumed Silica （Nano Silica） for rail transit and marine fire glass Packaging & Supply Packaging: 25kg drum, 200kg drum, 1000kg IBC tote. Supply capability: stable mass production, support OEM custom particle size and solid content. Manufacturer: ANDEHU NEW MATERIALS (SHANDONG) CO., LTD, Jinan, Shandong, China