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Water pipe polyethylene powder coating is a thermoset powder coating based on linear polyethylene,high pressure polyethylene and food assistant.It is mainly used for inside and outside of pipe.And water pipe polyethylene powder coating is good suppleness,high adhesion,great waterproof and low temperature resistant etc.Water pipe polyethylene powder coating have passed hygienic safe standard.NOItemTesting MethodTechnical Index1Fineness(Rdsidue on sieve,sixty screen mesh ),%GB/T6554-1986≤52Film depth,mmGB/T6554-19860.3-1.03Adhesion,classPry stripping method1-34Vicat softening temperature,℃GB/T1633-2000≥855Accelerated aging（500h）GB/T18226-2000No cracks, damage , allowing a slight discoloration6Brittle Temperature,℃GB/T5470-1985≤-657Electric strength ,MV/mGB/T1408.1-1999≥308Elongation at break,%GB/T1040-1992≥5009Impact strengthJWWAK132>21.5J10Pinhole leakGB/T28897-2012No leak source11Flattening test2/3 D Flattening testNo peeling cracking phenomenon12Hygienic safeGB/T 17219PASS
