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      Powder silica (SiO2)

  • Powder silica (SiO2)
  • Powder silica (SiO2)
Powder silica (SiO2)Powder silica (SiO2)

Powder silica (SiO2)

Product Description:

Product name: Powder silica (SiO2)

Properties: with stable physical and chemical properties, non-toxic, high adsorption, low specific gravity, easy to flow and high specific surface area and other excellent properties, so widely used.


Appearance: white powder.


Purpose:

1. This product is a good carrier of various veterinary drugs, feed flavoring agents, allicin, mildew prevention agents, acid flavor agents, antioxidants, etc., with a very good dispersion, fluidity and adsorption.

2. The product is a very good rubber tonic agent, it can greatly improve the tensile strength of the vulcanized rubber and wear resistance, reduce the amount of rubber, reduce the cost, with strong affinity, make it in the rubber has greater dispersion ability, carbon black particles and rubber molecules form physics, in enhancing the sulfide rubber mechanical strength and tear reinforcement is better than carbon black.


Storage conditions: dry storage, pay attention to moisture-proof.


Production


175 white powder


Number


Items


Unit


Specifications

1


Appearance

white powder

2


Whiteness

%

≥93

3


Purity of Sio2

%

≥95

4


Particle size

mesh

325

5


Specific surface area

m²/g

180-200

6


PH(5% suspension)

6.5-8.5

7


Heating loss(105℃ for 2hr.)

%

≤5.0

8


Ignition loss (1000℃ for 2hr.)

%

≤8.5

9

DBP
Absorption value

ml/100g

260-280

10


Heavy Metals(pb)

%

≤0.003

11

（As）

Arsenic

%

≤0.0003

12

（Na2SO4）Sodium sulfatc

%

≤0.4

13


Lead Sulfate

%

≤1

14

Package

20kg/Bag




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