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How Plasticizer Concentration Affects PVC Leather Flexibility
The formulation ratio I recommend for most PVC artificial leather falls between 50 and 80 phr of primary plasticizer — but those 30 phr span the difference between upholstery-grade stiffness and garment-grade drape, and the relationship between loading and flexibility is anything but linear. The first 20 phr of plasticizer you add creates more flexibility…
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