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  • Home » Products » Calcium carbide

    Calcium carbide

    (carbon calcium, calcium acetylene)
    Chemical formula: CaC2
    In its pure form is a white crystalline substance
    Complies with GOST 1460-81
    CAS: 75-20-7

    Calcium carbide

    Calcium carbide - a solid crystalline substance. This product is mainly used for the production of acetylene and calcium cyanamide, as well as to restore the alkaline materials. At the moment more and more urgent to the production of calcium carbide Slovakia. This is due to the fact that production in Russia closed in 2014. Quality carbide from Slovakia much higher than the Russian and Kazakh counterparts: the yield of acetylene above 15%; there is no debris in the drum; high quality packing, all drums of calcium carbide Slovakia provided with a shut-off device reusable.
    Country of origin
    Manufacturer
    Packaging
    Guaranteed storage life
    Slovakia
    NCHZ
    drums 50, 100, 200 kg
    1 year from date of manufacture

    Calcium carbide grade Yield of acetylene, l/kg, min Impurities content, %, max
    I II NL PH3* H2S NZ**
    A 300 285 285 0,05 0,015 0,5
    A1 300 - - 0,05 0,015 0,5
    В 300 285 280/285 0,05 0,015 0,5
    С1 295 275 275 0,05 0,015 0,5
    С2 285 265 270 0,05 0,015 0,5
    D 300 285 280 0,05 0,015 0,5
    Р1 not regulated 0,05 0,015 0,5
    Р2 285 265 265 0,05 0,015 0,5
    Р3 not regulated 265 0,05 0,015 0,5
    R1 300 285 280 0,05 0,015 0,5
    R2 300 285 280 0,05 0,015 0,5
    * The maximum phosphine concentration can't exceed 0.05%, which is taken into account by the error analysis;
    ** NZ - insoluble in water residue.

    Table-explanation of grades of carbide. The product is crushed and sorted depending on quality, granulation (size in mm) and outlet acetylene:
    Calcium carbide grade Granules size, mm % granulation
    А - coarse 50/80 50 - 80
    80 - 150
    0 - 50
    82
    3
    15
    А1 - coarse 25/80 25 - 80
    80 - 120
    0 - 25
    82
    3
    15
    В - coarse 25/50 25 - 50
    50 - 80
    0 - 25
    82
    3
    15
    С1 - fine 15/25 15 - 25
    25 - 50
    0 - 15
    82
    3
    15
    С2 - fine 7/15 7 - 15
    15 - 25
    0 - 7
    75
    5
    20
    D - fine 15/80 15 - 80
    80 - 150
    0 - 15
    82
    3
    15
    Р1 - powder 0/7 0 - 7
    7 - 15
    85
    15
    Р2 - powder 4/7 4 - 7
    7 - 15
    0 - 4
    65
    15
    20
    Р3 - powder 0/4 0 - 4
    4 - 7
    85
    15
    R1 - sorted 15/50 15 - 50
    50 - 80
    0 - 15
    82
    3
    15
    R2 - sorted 20/70 20 - 70
    70 - 150
    0 - 20
    82
    3
    15

    Storage and transportation:
    While respecting the integrity of the factory packaging and the lack of violation of its integrity, calcium carbide may be transported by any transport, and stored in closed, ventilated rooms.

    Precautions and effects:
    The dust of calcium carbide is an irritant to the skin, respiratory tract and eyes. You should avoid dust of calcium carbide on the exposed areas of the skin, eyes and respiratory tract, protecting them specialized respiratory masks and overalls.
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