supper fine silica

Description

Used as raw materials filler in various industries, catalyst carrier, decoloring agent, matting agent, rubber reinforcing agent, plastic filler, ink thickener, soft metal polishing agent, insulation insulation filler, and also use in cosmetics, medical field.　　Specification:
 

Item	Idex
Appearance	White powder
Whiteness	≥standard sample
S iO2 %（dry）%	　 ≥*0
Heating loss **5℃，2h	　4.0—7.5
Loss on ignition（dry）%***0℃ 2h	　3.0—6.5
PH value	6.0－7.5
BET(Specific surface area)㎡/g	******0
DBP Absorption value㎝³/g	≥3.4
Fe content mg/kg	≤**0
Cu content mg/kg	≤*0
Mn content mg/kg	≤*0
Mesh	***0

Packing:
Plastic woven bag lined with plastic bag, net weight is *0kg/bag
Storage:
Store in shady and cool, dry, ventilate place.