1. Color difference: the color of injection molded parts is different from that of standard single color. The color difference is judged by the naked eye, which is under the standard light source (D65).
2, inadequate filling (lack of glue): injection parts are not full, there are bubbles, voids, shrinkage, etc., and the standard template does not match, known as missing glue.
3, the warpage of plastic parts: shape rotation and distortion of the plastic part after ejection or later period of time, such as straight or curved outward Bianzhaoli, or flat feet have ups and downs, such as product inequality and original mold design differences called deformation, local and overall deformation of.
4, weld lines (lines): in the linear trace plastic surface, formed by the confluence of the plastic in the mold and melt together, in the intersection is not completely fused together, each other can not be fused to produce weld lines, showed a linear development, from deep to shallow, this the phenomenon has a certain effect on the appearance and mechanical properties.
5, ripple: the surface of the injection molding has spiral or cloud like waveform, uneven characterization of the phenomenon, or transparent products inside corrugated, known as ripple.
6, overflow (flying edge, Pi Feng): in the injection molding around the parting line or mold sealing surface of a thin (flying) plastic material, known as overflow.
7 silver marks: surface of injection molded parts, long acicular silver white cream in general such as fine lines, the opening direction along the direction of flow, not completely full of plastic parts in place, the fluid front is rough, called silver marks (silver grains).
8, uneven color (mixed color): the color of the surface of the injection molding is not uniform, there are shades and different hue, known as mixed color.
9, poor luster (dark): the injection molding surface is dark, no light or uneven luster, known as dark or poor gloss.
10, bad release (deformation): similar to warping deformation, injection molding can not smoothly out of the mold, there are deformation, cracking, strain, etc., known as bad demoulding.
11 cracks and cracks: Cracks on the surface of plastic parts and the resulting breakage.
12, paste (burning): in the plastic parts of the surface or inside the emergence of many dark black stripes or black spots, known as paste spots or charred.
13, size does not match: injection molding in the molding process, can not maintain the original predetermined size, precision called size discrepancy.
14, bubble and bubble injection piece inside the pore, bubble is smaller or the formation of clusters of internal pore defects of the product after molding, vacuum plastic bubble is generated inside the hole.
15, the surface mixed corrosion: injection molding surface has no light, white, opaque fog like appearance is called mixed corrosion.
16, depression: injection molding surface is not smooth, smooth, inward or produce shallow pits.
17, cold material (Leng Jiao): the surface of the injection molded by cold glue color, performance and body are different plastic.
18 、 top / top: the surface of the injection is white or higher than the original surface.
19, white spots: white spots in the injection molding, and also called "fisheye", mostly reflected in transparent products.
20, the strength is not enough (brittle crack): the injection of strength than expected strength is low, so that plastic parts can not withstand the scheduled negative cut
2, inadequate filling (lack of glue): injection parts are not full, there are bubbles, voids, shrinkage, etc., and the standard template does not match, known as missing glue.
3, the warpage of plastic parts: shape rotation and distortion of the plastic part after ejection or later period of time, such as straight or curved outward Bianzhaoli, or flat feet have ups and downs, such as product inequality and original mold design differences called deformation, local and overall deformation of.
4, weld lines (lines): in the linear trace plastic surface, formed by the confluence of the plastic in the mold and melt together, in the intersection is not completely fused together, each other can not be fused to produce weld lines, showed a linear development, from deep to shallow, this the phenomenon has a certain effect on the appearance and mechanical properties.
5, ripple: the surface of the injection molding has spiral or cloud like waveform, uneven characterization of the phenomenon, or transparent products inside corrugated, known as ripple.
6, overflow (flying edge, Pi Feng): in the injection molding around the parting line or mold sealing surface of a thin (flying) plastic material, known as overflow.
7 silver marks: surface of injection molded parts, long acicular silver white cream in general such as fine lines, the opening direction along the direction of flow, not completely full of plastic parts in place, the fluid front is rough, called silver marks (silver grains).
8, uneven color (mixed color): the color of the surface of the injection molding is not uniform, there are shades and different hue, known as mixed color.
9, poor luster (dark): the injection molding surface is dark, no light or uneven luster, known as dark or poor gloss.
10, bad release (deformation): similar to warping deformation, injection molding can not smoothly out of the mold, there are deformation, cracking, strain, etc., known as bad demoulding.
11 cracks and cracks: Cracks on the surface of plastic parts and the resulting breakage.
12, paste (burning): in the plastic parts of the surface or inside the emergence of many dark black stripes or black spots, known as paste spots or charred.
13, size does not match: injection molding in the molding process, can not maintain the original predetermined size, precision called size discrepancy.
14, bubble and bubble injection piece inside the pore, bubble is smaller or the formation of clusters of internal pore defects of the product after molding, vacuum plastic bubble is generated inside the hole.
15, the surface mixed corrosion: injection molding surface has no light, white, opaque fog like appearance is called mixed corrosion.
16, depression: injection molding surface is not smooth, smooth, inward or produce shallow pits.
17, cold material (Leng Jiao): the surface of the injection molded by cold glue color, performance and body are different plastic.
18 、 top / top: the surface of the injection is white or higher than the original surface.
19, white spots: white spots in the injection molding, and also called "fisheye", mostly reflected in transparent products.
20, the strength is not enough (brittle crack): the injection of strength than expected strength is low, so that plastic parts can not withstand the scheduled negative cut
