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Factors affecting the shrinkage rate of laminated plastic bags china

Factors affecting the shrinkage rate of laminated plastic bags china

(Summary description)In the same laminated plastic bags china, the shrinkage rate of the part with smaller wall thickness is smaller than that of the part with larger wall thickness, the shrinkage rate of the part far from the insert is greater than that of the part close to the insert, and the shrinkage rate perpendicular to the flow direction and the flow direction is larger.

Factors affecting the shrinkage rate of laminated plastic bags china

(Summary description)In the same laminated plastic bags china, the shrinkage rate of the part with smaller wall thickness is smaller than that of the part with larger wall thickness, the shrinkage rate of the part far from the insert is greater than that of the part close to the insert, and the shrinkage rate perpendicular to the flow direction and the flow direction is larger.

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the influence of the laminated plastic bags china's own structure

In the same laminated plastic bags china, the shrinkage rate of the part with smaller wall thickness is smaller than that of the part with larger wall thickness, the shrinkage rate of the part far from the insert is greater than that of the part close to the insert, and the shrinkage rate perpendicular to the flow direction and the flow direction is larger. The shrinkage rate is also different. In general, the shrinkage rate in the flow direction is greater than the shrinkage rate perpendicular to the flow direction, and the shrinkage rate in the hindered direction is smaller than that in the unobstructed direction.

laminated plastic bags china

Influence of raw materials on shrinkage of laminated plastic bags china

The shrinkage rate of laminated plastic bags china produced with different raw materials is also different, but the shrinkage rate of different batches of laminated plastic bags china produced with the same material is also different, which is mainly affected by the processing and production process. The shrinkage rate of plastics is greater than that of amorphous plastics. Plastics with poor fluidity have a larger molding shrinkage rate, and plastics with good fluidity have a smaller molding shrinkage rate. If fillers are added to the plastics, the shrinkage rate of the molded plastics will drop significantly, and no fillers are added. The shrinkage rate of the plastic production of the material is better after molding.

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