Fumed Silica HL150

Fumed Silica HL150 Silica Application: HTV and RHV Silicone rubber Adhesives and Sealants Paints and Coatings Properties: Reinforcement filler in elastomers Rheology and thixotropy control of liquid systems, binders, polymers, etc. Used as anti-setting, thickening, anti-sagging agent Improvement of free flow and anti-caking characteristics of powders Physicochemical Data: Properties Unit Typical Value Standardization Specific surface area (BET) M²/g 150 ±15 GB/T 10722 PH-value in 4% dispersion % 3.7----4.5 GB/T 1717 Loss on drying (2h@105°C) % ≤1.5 GB/T5211.3 Loss on ignition(2h @1000 °C,based on material dried for 2h@105°C) % ≤2.0 GB/T 20020 Sieve residue(45 μm) % ≤0.04 GB/T 5211.14 Silica content (based on ignited material) % ≥99.8 GB/T 20020 Tamped density(based on ignited material) g/L 40--60 GB/T 5211.4 Carbon content (based on material dried for 2h @105°C) % ≤0.2 GB/T 20020 v