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5 luxury cosmetic packaging tubes trends
The characteristic of stretch blow molding method at a time
by：Lisson
2020-11-20
The stretch blow molding mold, heated to 100 -
180 degrees, then reheat type embryo, placed in the stretch blow molding mold, a stretch blow molding, and keep the number of seconds or more than ten seconds, make the container full of crystallization, the mold after a stretch blow molding method, has the following features:
1. Equipment is simple, cover an area of an area small, also can be in the original molding equipment, to increase the stretch blow molding mold heating device and the cooling container, PET packing hose heat processing can be completed;
2. Directly on the mould heating, heat processing, small heat loss;
3. A stretch blow molding method, the use of the processing of low temperature, low degree of crystallization of container, it can withstand the temperature of the hot filling, lower than the second stretch blow molding method;
4. Although it is a complete stretch blow molding and heat treatment, but the container still need cooling process, the overall molding time extended.
1. Equipment is simple, cover an area of an area small, also can be in the original molding equipment, to increase the stretch blow molding mold heating device and the cooling container, PET packing hose heat processing can be completed;
2. Directly on the mould heating, heat processing, small heat loss;
3. A stretch blow molding method, the use of the processing of low temperature, low degree of crystallization of container, it can withstand the temperature of the hot filling, lower than the second stretch blow molding method;
4. Although it is a complete stretch blow molding and heat treatment, but the container still need cooling process, the overall molding time extended.
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