White carbon black(precipitated silica)

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
20000 m.t./month

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Product Description:

Specifications

White carbon black
1.improve the tensile strength of rubber
2.good reinforcing performance
3.high wear resistance

1.Introduction:

White Carbon Black(Precipitated silica) with special physic-chemical properties, work as reinforcing transparent fillers highly valued in formulation of rubber-based blends. They lead to enhanced tensile strength, tear strength and abrasion resistance and increase hardness of vulcanized rubbers. On the other hand, They reduce consumption of rubbers and therefore reduce the cost.

2.Application:

It is widely used in silicon rubber, constrction sealant, coating, rubber, shoes, medicine, resin processing, printing ink and other industries.
1) Silicon Rubber: Improves silicon rubbers durability, rebound rate, and anti-distortion performance.
2) Plastics Industry: Improves plastic s tenacity, strength and prevents water absorption.
3) Coating Industry: Prevents agglomeration and drip. Thixotropic  additives. Increase denseness and smoothness of paint.
4) Medicine Industry: Increase denseness ,floating , carrying function in medicine. It also can be used as the pesticide powder and anti-agglomeration.

3.Features:

1) Good activity and the absorption rate.
2) High reinforcing effect and chemical stability.
3) Porous surface area.
4) Good dispersibility.

4.Specication:

Type

813

815

900A

SiO2

90

91

94

Residue on sieve(45um)%≤

0.5

0.5

0.5

Heating Loss %≤

7.0

7.0

7.0

Ignition Loss % ≤

7.0

7.0

7.0

PH

6.0-7.0

6.0-7.0

6.0-7.0

Fe mg/kg ≤

300

260

200

DBP cm³/g≤

2.8

2.8

3.0

Specific Surface m²/g

180-220

200-230

220-260

conductivity μs/cm≤

300

150

110

Sulfate % ≤

0.3

0.15

0.1

Bulk Density g/ml

0.16

0.16

0.16

packing

15kg

15kg

15kg

Appearance

White Powder

White Powder

White Powder

Packaging & Delivery

Packaging Detail:10 or 15 kg/bags,double-layer bag (inner layer with PE bag, outer layer with polypropylene bag)
Delivery Detail:2 weeks

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