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During the 22nd Plastics Expo, Ningbo Huateng Shouyan New Materials Co.
, Ltd.
held a product promotion meeting at the China Plastics International Convention and Exhibition Center, focusing on the application of a high-gloss and high-hardness spray-free material in automotive interiors and exteriors and home appliances
.
Compared with ordinary plastics, the spray-free material is rich in color, not easy to decolorize, has excellent texture, short molding cycle, low cost, and meets the development requirements of green environmental protection
.
Huateng First Research mainly introduced four spray-free materials: spray-free silver material ALLOY1802, spray-free high-gloss material, spray-free pearl white material ALLOY1801, spray-free silver material ALLOY1802
.
Application case of spray-free silver material ALLOY1802: The original process of Great Wall f5 interior lamp decorative frame is to spray silver metallic paint after injection molding.
After switching to Huateng's first-researched spray-free PC material, the cost is reduced by 60%, and the welding marks and flow marks are effectively reduced.
Yield increased by 10%
.
Application case of spray-free high-gloss material: The original process of Great Wall f7 interior lamp decorative frame is to spray UV paint after injection molding.
After switching to Huateng's first-developed spray-free PC material, the cost is reduced by 40%, the yield rate is increased by 10%, and the weld line is effectively reduced and flow marks
.
ALLOY1801, a non-spraying pearlescent white material, is mainly used in switch panels, toilet seats, and small home appliance shells
.
The spray-free silver material ALLOY1802 is mainly used in car handles and decorative strips
.
At present, there are two major technical difficulties in spray-free materials.
One is the phenomenon of chromatic aberration on the surface: the chemical reaction between the surface metal oxide layer of the spray-free material and the resin substrate and additives leads to the discoloration of the material or the degradation of the resin, resulting in the appearance of the product surface.
Air marks or silver wires, even surface pores and material yellowing and degradation
.
Ningbo Huateng Shouyan New Materials Co.
, Ltd.
is a wholly-owned subsidiary of Beijing Chemical Industry Research Institute (a state-owned enterprise of Beijing State-owned Assets Supervision and Administration Commission).
By perfecting the material formula and cooperating with the mold design, forming processing technology and surface treatment technology, Huateng First Research has effectively solved these defects, so that spray-free materials can replace spraying materials in some applications
.