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100% pva yarn 1.Melted point20 centigrade: 20s 40s 20s/2 40s/2 2.Melted point40 centigrade: 20s 32s 40s 60s 80s 40s/2 80s/2 3.Melted point60 centigrade: 32s 40s 60s 80s 4.Melted point70 centigrade: 32s 40s 60s 80s 5.Melted point90 centigrade: 20S 30S 40S 60S 80S
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