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Describe the precautions when processing ABS high rubber powder
ABS high -adhesive powder is a kind of high-acrylic acrylonitrile-butadiene-styrene graft copolymer with a rubber content of more than 65%, and is treated with a heat stabilizer. Compared with ordinary ABS powder, it has high rubber content, good impact performance and easy processing. Suitable for ABS toughening, PC/ABS toughening, PVC modification, alloy material modification and toughening, increase ABS elongation, improve withdrawal processing performance, or blend with different grades of AS to produce special properties ABS resin.
Precautions when processing ABS high rubber powder:
1. ABS high-adhesive powder has the characteristics of flammable and explosive, and it needs to be managed according to the burning and explosive dangerous goods during the production process. In the warehouse management of finished products, it is necessary to manage according to flammable materials, and it is not allowed to contact open flames.
2. Taihua ABS powder has a glue content of 50%, which is relatively safe. Although the glue containing more than 55% of the glue is easy to catch fire, special attention should be paid to safe storage. However, there is still the possibility of spontaneous combustion in summer, so if the temperature is above 33 degrees, it should be poured in the open air.
Water to keep it safe.
3. ABS high-adhesive powder is exposed to sunlight for a long time. Because ultraviolet light will cause aging, it is necessary to cover the sunshade and isolate the sunlight.
4. The production process of ABS high-adhesive powder should avoid the temperature of the product and make the product decompose and discolor. The ABS high-glue powder production process is protected by nitrogen to prevent oxygen from oxidizing the product and to protect the product from static electricity caused by friction.
ABS toughened high rubber powder is mainly used for resin blending toughening modification, the general processing temperature should not exceed 260 ° C, the recommended processing temperature is 190-250 ° C.