Brand:Nouryon
Apparent bulk density：100-120 kg/m³
Appearance：Black free-flowing pellets
Ash：≤0.1 %
Fines <125 micron: ≤7 %
Grit content: ≤30 mg/kg
Iodine absorption :1000-1100 mg/g
Moisture: ≤0.5 %
pH: 9.0-10.5
Pore volume, DBP: 480-510 ml/100g
Volatiles: ≤1.0 %
Brand:Tokuyama
Specific surface area:200ÿ240 mÿ2ÿ /g
(BET) Bulk density:40 g/L (approximately)
pH (4% suspension):4.2
SiO2 purity (dry basis): > 99.9 %
Cl:< 50 ppmÿ
Al:< 20 ppmÿ
Fe:< 20 ppmÿ
325 mesh coarse: < 0.01 %
grain moisture (loss on drying method, %):< 1.5 %
Brand:Invista
IUPAC Name：2-methylpentane-1,5-diamine
CAS Number：15520-10-2
Molecular Formula ：C6H16N2
Molecular Weight： 116.208 g/mol
Description： Clear low viscosity liquid, free of suspended materials
Brand:Cabot
B.E.T. Surface Area：200 m2/g
pH (4% aqueous slurry)： 3.7 – 4.3
325 Mesh Residue (44 microns)： 0.02% max.
Tamped Density： 50 g/l
Loss on Heating*： < 1.5%
Specific Gravity ：2.2 g/cm3
Wt. per gallon： 18.3 lb
Brand: COVESTRO
NCO content：19.6 ± 0.3 %
Non-volatile content2.2 g / 120 min / 100 °C：90 ± 1 %
Viscosity (23 °C)：500 ± 150 mPa·s
Color value (Iod)：≤ 40
Monomeric HDI：< 0.15%
Brand: COVESTRO
NCO content：13.3 ± 0.4 %
Non-volatile content2.2 g / 120 min / 100 °C：75 ± 1 %
Viscosity (23 °C)：250 ± 75 mPa·s
Color value (Iod)：≤ 40
Monomeric content：< 0.38%
Brand: COVESTRO
NCO content：16.5 ± 0.3 %
Non-volatile content2.2 g / 120 min / 100 °C：75 ± 1 %
Viscosity (23 °C)：250 ± 75 mPa·s
Color value (Iod)：≤ 40
Monomeric content：< 0.38%
Brand: EVONIK
losson drying：<1.5 %
pH-value:3.7 – 4.5
SiO2 content:>99.8 %
specific surfacearea(BET):175 – 225 m²/g
tamped density:Approx. 50 g/l
Brand: COVESTRO
NCO content：4.4 ± 0.2 %
Viscosity (23 °C)：7000 ± 1000 mPa·s
Monomeric HDI：< 0.5%
Brand: EVONIK
losson drying：<1.5 %
pH-value:3.7 – 4.5
SiO2 content:>99.8 %
specific surfacearea(BET):175 – 225 m²/g
tamped density:Approx. 120 g/l
