The difference between the new material and the return material:
1. The products made by the materials returned are unstable, and the products made by each batch of materials cannot be guaranteed the same;
2. The mechanical properties of the material in the return material are worse than the new material;
3, the finished product color of the new material is generally brighter, brighter, the gloss is better, and the surface gloss of the old material is relatively poor, the color of the new material is bright, there is no black spot, the color of the return material is a bit dead, and there is a smell. .
1. Made with new materials
When you get the plastic products, you can see the color at first sight. The color of the new material is bright, fresh, and the brightness is good. The barrel is translucent.
2, made with the return material
(1) The color is dark, the transparency is good, and there are many black spots;
(2) The color is bright, opaque (plus a large amount of titanium dioxide), and the surface has a small amount of black spots.
The color of the new material is generally light and bright, and the color of the returned material is generally deep and thick.