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Graphite powder is a kind of mineral powder, mainly composed of simple carbon, soft, black gray; It is greasy and can contaminate the paper.
The hardness is 1-2, and it can increase to 3-5 along the vertical direction with the increase of impurities. The specific gravity is 1.9~2.3. Under the condition of oxygen isolation, its melting point is above 3000 ºC, which is one of the most temperature resistant minerals. At room temperature, the chemical properties of graphite powder are relatively stable, and it is insoluble in water, dilute acid, dilute alkali and organic solvents; The material has high temperature resistance and conductivity, and can be used as refractory, conductive material, wear-resistant lubricating material.
Usage:
1. additive of metallurgical industry
2. materials of flexible graphite.
3. absorbent materials of battery
4. additive of lubricant
5. additive of refractory.
Expandable Graphite Variety | Specification | Expansion ratio(ml/g) | PH value | Volatile(%) | Moisture(%) | Carbon content(%) | Sieve | Under sieve | Sulfur content(%) | Expansion temperature(ºC) |
Ordinary | 32Mesh | 200-600 | 3-8 | ≤16 | ≤1 | 90-99 | ≥80.0 |
| ≤2.5 | 190-950 |
50Mesh | 200-450 | |||||||||
80Mesh | 200-350 | |||||||||
100Mesh | 150-320 | |||||||||
150Mesh | 150-250 | |||||||||
Superfine | -100Mesh | 50-100 | 3-8 | ≤10 | ≤1 | 90-98 |
| ≥80.0 | ≤2.5 | 180-950 |
-200Mesh | 30-70 | |||||||||
325Mesh | 10-30 | |||||||||
Low sulfur | 32Mesh | 200-400 | 3-8 | ≤12 | ≤1 | 90-99 | ≥80.0 |
| ≤0.02 | 200-950 |
50Mesh | 200-350 | |||||||||
80Mesh | 150-250 | |||||||||
100Mesh | 100-200 | |||||||||
High purity | 32Mesh | 200-500 | 3-8 | ≤15 | ≤1 | ≥99.9 | ≥80.0 |
| ≤2.5 | 200-950 |
50Mesh | 200-450 | |||||||||
80Mesh | 200-350 | |||||||||
100Mesh | 200-250 | |||||||||
The indicators can be adjusted accroding to customer requirements |
1. Supply diverse materials meeting customers' demands.
2.Offer suggestions for material selection, specification presentation, use condition.
3. Maintain after-sale service.
4.Provide the high quality and low price product
5. Offer the safest package and transportation
Q: How can you control your quality?
A: For each production processing, We have a complete QC system for the chemical composition and physical properties.
Q: What is your company's transportation form?
A: A large number of goods can be transported by land or water.
Q: Can I get a low price if I order a large quantity ?
A: Sure, because of the raw material price floating is bigger, before purchasing, you need contract with our sales, according to your purchase quantity and request, we will give you the lowest price.
Q: When can I get the price?
A: We usually quote within 24 hours after getting your detailed requirements, like size, quantity etc... If it is an urgent order, you can call us directly.
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