Specification requirement:
1. Mould plastics pieces of surface should level, be smooth, have air vent, contract hole, abolish, defect of rupturing etc. Exist.
2. One slice of materials of copper: H62 brass.
3. Plastic material: PBT +30% hot plasticity glass strengthens the polyester fiber.
4. Test fire-retardantly: Leave the flame to go out automatically 30 seconds.
5. It is tested that able to bear pressing: Use and mould one in 2700 5 seconds and has not been punctured.