EXTRA SILICON超精细 纯硅粉·石英粉

低吸油量·高耐磨·高填充量·高物理强度·高纯白度

PLASTICS·RUBBER.·PAINT·PU-LEATHER·SPECIAL PRODUCTS

Test Reaults：Chemical analyais and Physical Properties

Hardness（硬度）---------------------------------------------------------------------- ≧7

Whiteness（白度）-------------------------------------------------------------------- 94%^GE

DOP Absorption（DOP吸油量）-------------------------------------------------- 10～18

Bulking Value（容积密度）--------------------------------------------------------- 0.6～ 0.4 ^g/_cm³

Water Absorption（吸水量）-------------------------------------------------------- 8～18

Free Moisture（水份）--------------------------------------------------------------- ≦0.3%

Hollow Rate（中空率）-------------------------------------------------------------- 0

Loss on Ignition（煅烧减热）------------------------------------------------------ ≦0.5

Ignition Loss（烧失率）-------------------------------------------------------------- ≦0.5

Particle Size（平均粒径）-------------------------------------------- 5.5 ·4.5 · 3.5   ?m

Max Particle Size（**大颗粒）------------------------------------- 28.0·23.0 ·18.0   ?m

Particle Surface Area（比表面积）----------------------------------------------- 20000～40000

PH (10% Solution)（酸碱度）------------------------------------------------------ 7.0±0.2