calcium carbide

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calcium carbide
Posting date : Apr 05, 2012
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29-
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calcium carbide CAS NO.: 75-20-7 EINECS No.: 200-848-3 Place of Origin: China (Mainland) Appearance: deep gray Application: Used as materials of organic synthesis, widely used in metal bonding Items Index Top quality First quality Qualified products gas release (20°C 101.3 kPa)/(L/kg) min 300 280 260 Phosphine’s volume fraction in acetylene /%max 0.06 0.08 Sulfureted hydrogen’s volume fraction in acetylene /% max 0.10 Granularity (5mm-80mm)a’s mass fraction /% min 85 Screenings (below 2.5mm)’s mass fraction /% max 5

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