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Strict Quality Inspection for Each PPGI Coil


our quality better than internation strandard

test items our factory criterion international /indirstial criterion
pencil hardness ≥2H ≥F
bend test ≤3T ≤5T
shock test ≥9J ≥9J
MEK test ≥100 ≥100
scratch test ≥1500g /
（5%HCL） sour test ≥24h ≥24h
（5%NaOH）alkali test ≥24h ≥24h
salt spray test ≥1000h ≥480h
（QUVA）QUVA test ≥1000h ≥600h






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