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Coal Mine Steel Plastic Composite Pipe Internal EP External TPE GB T 6554

Categories Steel Plastic Composite Pipe
Brand Name: NO
Model Number: SP(H )-TPE/EP-KM235/ DN 48.3~1118MM SP(W)-TPE/EP-KM 295/ DN 48~711MM
Certification: NO
Place of Origin: China
MOQ: 1pc
Price: Negotiation
Supply Ability: 500pcs per month
Delivery Time: 30-60 days
Packaging Details: Seaworthy Packing
Size: DN 48.3~323.9MM,DN 48~325MM
Internal: Epoxy Resin (EP)
External: Polyethylene (TPE)
Test standard Nonvolatile content: GB/T 6554
Package: Seaworthy Packing
Hygienic performance: Conform to GB/T 17219
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    Coal Mine Steel Plastic Composite Pipe Internal EP External TPE GB T 6554

    Coal Mine Steel Plastic Composite Pipe Internal EP External TPE GB T 6554


    Mine pipe refers to a product specially developed for special underground environmental conditions, which has the advantages of flame retardant, antistatic, corrosion resistance, long service life and strong safety. It is mainly used in five systems: mine drainage pipe (KS), mine grouting pipe (KJ), mine positive pressure air pipe (KFZ), mine negative pressure air pipe (KFF), mine gas drainage pipe (KW).


    Size:SP(W)-TEP(PE)-KM 295/ DN 48~1016MM

    SP(H)-TEP(PE)-KM 295/ DN 48.3~1118MM


    Pressure Grade

    suitable for Pipeline’s pressure not more than 10 MPa


    Carried Standard

    Inspection Code for Safety Performance of Plastic Pipe Used in Coal Mine


    The properties of epoxy resin powder for coating meet the requirements of the following table:


    Properties of Epoxy Resin Powder


    ItemRequirementTest standard
    Density(g/cm2)1.3~1.5GB/T 1033
    Particle size distribution /%150um≤3;250um≤0.2GB/T 6554
    Nonvolatile content /%≥99.5GB/T 6554
    Horizontal liquidity /mm22~28GB/T 6554
    Gelation time /s≤120(200℃)GB/T 6554
    Impact strength /(kgcm)≥50GB/T 1732
    Bending test /(¢2 mm)passGB/T 6742
    Hygienic performanceConform to GB/T 17219

    Properties of Polyethylene powder


    ItemRequirementTest standard
    Density (g/cm2)>0.91GB/T 1033
    Tensile strength /MPa>9.80GB/T 1040
    Elongation at break /%>300GB/T 1040
    Vicat softening point /℃>85GB/T 1633
    Nnonvolatile content /%>99.5GB/T 2914
    Hygienic performanceConform to GB/T 17219

    Chemical corrosion resistance, weathering resistance and aging resistance are very high: the coating can prevent metal oxidation, and has the corrosion resistance of acid, alkali and salt. The product has excellent anti-aging performance, and its service life is much higher than other pipes. The product can be painted with flange to ensure the anticorrosion effect of the whole pipeline.


    Flame retardant and antistatic performance is good: flame retardant and antistatic indicators meet the requirements of underground gas drainage pipe indicators. Flame retardant: The arithmetic average of flameless combustion time is less than 3S and the maximum is less than 10s; the arithmetic average of flameless combustion time is less than 20s and the maximum is less than 60s. Antistatic: internal and external surface resistance ≤1.0×106Ω.



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