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  1. PP/FRP Properties and Characteristics
PP/FRP composites PiPes are composited thorugh special mechanical winding Process by PP as liner and FRP as outer reinforced laver.Pipe's main advantages are well corrosign -resistant,excellentlv thermoduric (-40~+130),highly Pressure-Proof.design flexibte,high shock strength.low resistance to find , Poisonless, little inves-ment and convenient installation. They can be used widely in oil filed , chemical industry , mechmanics , smeltery,light industry.Electricit,mine,as well as in food , medicine-making for PP's poisonless.
2. PP/FRP Main technical parameters:
    
Specific Gravity 1.2～1.5g/cm
Cold and Ho(-40～+120℃)tAlternative Test
Non Straified
Tensile Strength ≥100～120MPa
20～40Mv/m
HeatTranfer Coeffcient 0.59J/mm.h.℃
Voltage～Proof
21KJ/m
Bending Strength 150～175MPa
Shock Strength
≥8.5MPa
Coeffcient of Linear Expansion ≤7.0×10^5/℃ 　
PVC/FRP Press-Cut Strength
  
 3. PP/FRP composite pipes and fittings sketch Map
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