The effect of natural red crystal

Red crystal, also known as red rabbit hair crystal, alias "Venus crystal", is a mesh rutile, delicate hair silk softly entangled, like a beautiful hair. It is an expensive variety in crystal, and the output is extremely rare, so there are not many people .......

Injection molding defects and their solutions

Cracking and cracking is a common defect in plastic products. The main reason for this is due to stress and deformation. There are mainly residual stress, external stress, and stress deformation caused by the external environment.
(-) The residual .......