What Are The Properties Of PVC Keychain Refrigerator Stickers?

PVC fridge magnet performance

1. Amorphous material, low hygroscopicity and poor fluidity. In order to improve fluidity and prevent air bubbles, PVC fridge magnet should be dried in advance.

2. Extremely easy to decompose, especially in contact with steel and copper at high temperature (decomposition temperature 200 degrees). The molding temperature range is small, and the PVC refrigerator paste temperature must be strictly controlled.

3. When using a screw-type injection machine and a through nozzle, the hole diameter should be large to prevent dead angle stagnation.

4. The mold pouring system should be thick, the gate section should be large, the mold should be cooled, the mold temperature is 30-60 degrees, the material temperature is 160-190.