Small batch production of plastic parts of silicone mould

Vacuum injection mold, also known as vacuum complex mold, need to use the silicone mold. Both under the 

vacuum condition of pouring material of defoaming, mixing, preheating, injection, and in the constant temperature

box of 60 DEG to 80 DEG C for 2-3 hours of secondary curing process. Apply to product development process of

 plastic parts and small batch replication, more complex structure, uniform wall thickness, meet certain functional

 requirements of small batch sample copy of the production.

Process:
Silicone mold preheating. The silicone mould is heated to 60-70, and the mold temperature is too low, it will cause the curing

 is not complete, causing the physical properties of the poor. Die temperature has a direct relationship to the size accuracy of the test piece.

Castable pre deaeration. The A, B two liquid vacuum defoamation treatment for more than 30 minutes in the vacuum box.
Pouring. Will be filled with A liquid and B liquid containers were placed in the operating room. Working chamber pumped to 

vacuum from time to time mixing solution B to deaeration 5-10 minutes, a liquid into liquid B in stirring 30-40 minutes after

 quickly poured into the silicon rubber mold. And the operation of the 1 -1 in 30 seconds after the start of the mixing.
Solidification In the constant temperature box of 60-70 for 30-60 minutes after curing, you can release. 2-3 hours of the two 

curing in the constant temperature box at 70-80 is necessary.