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Zinc Borate

Zinc Borate

Code: 2840
In stock
Price:
14225.64 CNY
Wholesale:
  • 13902.33 CNY/t.  - from 18 t.
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China, Jinan
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Technical characteristics
  • Brandchenxu
  • Country of manufactureChina
Description

Zinc Borate

Molecular Formula 2ZnO·3B2O3·3.5H2O

Brand No.: ASZB-2335

 

zinc borate is a low toxicity, white crystalline, inorganic compound primarily used as a flame retardant and smoke suppressant in plastics and cellulose fibers, paper, rubbers and textiles. It is also used in paints, adhesives and pigments.

 

2. Technical Specification

 

Technical requirements

Test results

ZnO %

37.5+/-0.5

37.58

B2O3%

47.5+/-1

47.46

Appearance  water%

≤0.5

0.28

Sieve Residue

≤ 0.0005

0.0003

Crystal water %

14+/- 0.5

13.5

Pb ppm

≤ 10

6.3

As ppm

≤ 2

ND

Cd ppm

≤ 5

1.8

Cr ppm

≤ 5

1

P article size

1-5 um

2.35

Whiteness%

≥ 97

98.5

 

3. Applications

 

zinc borate is primarily used as a flame retardant in plastics and cellulose fibers, paper, rubbers and textiles. It is also used in paints, adhesives, and pigments. As a flame retardant, it can replace antimony trioxide as a synergist in both halogen-based and halogen-free systems. It is an anti-dripping and char-promoting agent, and suppresses the afterglow. In electrical insulator plastics it suppresses arcing and tracking.

 

4. Packaging / Transportation

 

Internal plastic with knitted exterior covered with film, with the net weight of 20kg, 25kg or 40kg.

Protected from damp, rainfall and package damage in transportation.

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