low-melting-point copolymer and multiform accessory ingredients by mixing，extruding，blowing molding and heat-sealing bag making.The product has good mechanical strength and flexibility，and its characteristic of low melting point can be melted with rubber，which cannot be replaced by other products.Meanwhile,it also has such function as good water resistance and corrosion protection.
1. pecification and physical property
Specification（table 1）
| Process | Item mm | Spec mm | Tolerance mm |
| Blown film | Width(folding diameter) | 200-600 | ±12 |
| 601-850 | ±20 | ||
| Thickness(single layer) | 0.03-0.08 | ±0.01 | |
| Heat-sealing bag making | Length of bag | 350-600 | ±15 |
| 601-1200 | ±20 | ||
| Thermal sealing width | 2.5 | ±0 |
2. Main appliance of EVA
2.1 Auxiliary materials charging bag during rubber mixing in rubber industry；
2.2 Internal packing of synthetic rubber and carbon black industry.
The rubber enterprise carries out rubber mixing together with internal packing during production so as to reduce the environment pollution；
2.3 Skin packaging of top grade clothing；
2.4 Packing material as heavy packing film, thermal shrinkage film and composite film etc.
