1)Impurity: not fused with the rubber material, showing a different colour or obvious foreign matter on the product;.
2) Cracks: obvious cracks on the inner and outer surfaces of the product or other surfaces.
3) Degumming: the product and the skeleton of the adhesive material is separated, can not be bonded together.
4) lack of material: the product does not have a clear outline or there are individual parts of the product is not injected with glue or injection of glue is not enough or obvious traces of glue flow.
5) Bubbles: the surface of the product is obviously raised and spherical.6) flow marks: the product surface has obvious lines and shiny surface, was line.
8)Scalded: the product surface has obvious scorching phenomenon; 8)Scalded: the product surface has obvious scorching phenomenon; 8)Scalded: the product surface has obvious scorching phenomenon
9) repair bad: trimming parts of the knob tooth-like, the product itself colloid damage;
10) unilateral: symmetrical parts appear tilted, more on one side, less on the other, or one side has no side. Such as the upper face of the cut is obvious on one side of the width, the width of the side is small, wall thickness is not uniform.
11) car bad: cutting surface has obvious cutting marks or cutting edges are not neat, jagged.
12) overflowing glue: for the exposed skeleton of the product part of the exposed place wrapped in glue.
13)Stray colour: due to the glue, moulds and other reasons caused by the presence of impurities with different colours of the product glue.
14) Coil: the presence of wired rings on the surface of the product.
15) Frozen defects: product freezing trimming caused by product chipping or cracking.
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