Brand: COVESTRO
Form supplied：approx. 51 % in butyl acetate
NCO content：8.0 ± 0.3 %
Non-volatile content(0.2 g / 60 min / 120°C)：51.0 ± 2.0 %
Viscosity (23 °C)：1,300 ± 450 mPa·s
Color value (Iod)：≤ 1.0
Monomeric content：< 0.10%
Brand: CHEM TREND
Brand: CHEM TREND
Brand: EVONIK
Molecular weight：7000 g/mol
Glass transition temperature (solid)：-5 ℃
Density (20 ) (solution):1.10 g/ cm
Flash point：72 ℃
Brand: EVONIK
carbon content：2.0 – 4.0%
loss on drying*2 hours at 105 °C：≤0.5 %
pH value in 4% dispersion:≥5.5
SiO2 content：>99.8 %
specific surfacearea(BET):135 – 185 m²/g
Brand: EVONIK
carbon content：0.7 – 1.3%
loss on drying*2 hours at 105 °C：≤0.5 %
pH value in 4% dispersion:3.7 – 4.7
SiO2 content：>99.8 %
specific surfacearea(BET):150 – 190 m²/g
Brand: EVONIK
carbon content：0.6 – 1.2%
losson drying：<0.5 %
pH value:3.6 – 5.5
SiO2 content：>99.8 %
specific surfacearea(BET):90 – 130 m²/g
tamped density:Approx.50 g/l
Brand: EVONIK
carbon content：2.0 – 3.0 %
losson drying：<0.5 %
pH value:5.5 – 8.0
SiO2 content：>99.8 %
specific surfacearea(BET):230 – 290 m²/g
tamped density:Approx. 60 g/l
Brand: EVONIK
carbon content：3.5 – 5.0 %
losson drying：<0.5 %
pH value:4.0 – 6.0
SiO2 content：>99.8 %
specific surfacearea(BET):80 – 120 m²/g
tamped density:Approx. 60 g/l
