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Calcium carbide
Product name: Calcium carbide
Molecular formula: CaC2
Molecular weight: 64.10 ( according to 1995 international relative atomic mass)
Properties: This product is lumpy substance, its surface is a little deep gray, has slight nasty smell. It can produce acetylene gas when met water, it can burn when met fire. The acetylene gas mix with air will form explosive gas( explosive range of acetylene gas in the air is 2.3%-81%.) |
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Quality Standard: Product quality should be in accordance with national standard GB10665-2004.
| Item |
Index |
Top quality |
First quality |
Qualified products |
| gas release (20°C 101.3 kPa)/(L/kg) ≥ |
300 |
280 |
260 |
| Phosphine's volume fraction in acetylene /% ≤ |
0.06 |
0.08 |
| Sulfureted hydrogen's volume fraction in acetylene /% ≤ |
0.10 |
| Granularity (5mm-80mm)a's mass fraction /% ≥ |
85 |
| Screenings (below 2.5mm)'s mass fraction /% ≤ |
5 |
| The size range in the "a parenthesis mark" can be confirmed by the supplying and requisitioning parties. |
Use: Used as materials of organic synthesis, widely used in metal bonding and cutting
Packaging: Packed in metal pail. 100kg±1kg or 200kg±2kg net weight per pail.
Storage and transportation: Calcium carbide pail should be sealed. Stored in dry, cool and draughty place. Should separate from other combustible and explosive material.
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Contact: Yang Zhizhong +86-570-3096027 13819009373
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Hiefeibao is integrative nitrogen and high calcium fertilizer, which can improve soil, kill insects, remove weed and disinfect soil. It is a kind of green environment-friendly compound fertilizer. |
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