Precipitated Silica White Carbon Black Silicon Dioxide China Manufacturer

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Precipitated Silica White Carbon Black Silicon Dioxide

Payment Type:	L/C, Western Union

Product Description

Kind: Carbon Black

Specific Surface Area (Bet): 180-210 M2/G

Trademark: HUARONG

HS Code: 28112200

Appearance: Powder

Oil Absorption (Doa): 240 Ml/100g Min

Origin: China

Product Description

CAS No.:112926-00-8(7631-86-9)

EINECS No.:231-545-4

H.S No.: 2811220000 Application range: pharmaceutical, food, agricultural feed additive and other industries.

Features: 255S can increase powder fluidity. 255HS is the high absorption macro fine silicon dioxide.

Package: 16 or 10kg per bag of plastic woven bags lined with PP bag.

Specification: Technical parameters

Specification	255S	255HS
Appearance	white micro powder	white micro powder
Heating loss(105°C) %	4.0-6.0	4.0-6.0
Loss on ignition(1000±25°C) %	4.0-5.0	4.0-5.0
Average grain diameter d50 µm	10-15	5-10
SiO₂(content) %	≥92.0	≥92.0
PH value	6.0-7.0	6.0-7.0
DBP oil factor cm³/g	2.5-3.5	2.5-3.5
BET specific surface area m²/g	180-210	180-210
Na₂SO₄ %	≤1.0	≤1.0
Compacted density g/l	100-130	70-100
As mg/kg	≤2.0	≤2.0
Heavy metal(Pb) mg/kg	≤20	≤20

Contact us if you need more details on Sio2. We are ready to answer your questions on packaging, logistics, certification or any other aspects about White Carbon Black、Fumed Silica. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Rubber Auxiliary Agent

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