YUEYI Mold, China experienced 2k mold maker, quality offer double component AC temperature flap mold, turnplate AC mixing flap mold, co injection heat mix flap, multi component recirculation air flaps mold. 

Resulting in uneven color plastic molding products main reasons and solutions are as follows:

1. colorant diffusion is bad, this cause pattern tends to occur near the gate
2. Plastic or colorants poor thermal stability. To stabilize the product color must be rigidly fixed production conditions, in particular material temperature, quantity and production cycle
3. About crystalline plastics, try to make the various parts keep the cooling rate consistent.
4. The product design and gate style and gate position will influence the plastic filling, that will cause the plastic product some area off color.

If you’re still looking for the good rubber HVAC flap 2k mold maker in China, we can be your another good choice.

Lucia

lucia@yueyimold.com