The presence of formamide in the product

Using formamide in the foamed plastic products, plastic foam, more plastic lighter, and formamide can increase the flexibility of plastic products, making the product difficult to fault. Formamide may as ethylene-vinyl acetate (EVA) of plasticizer found in foam pad; as bubbles foaming agent in the manufacturing process of decomposition; or as ethylene-vinyl acetate (EVA resin) manufacture of residual solvents.