阐述了未添加抗老化剂的聚丙烯编织袋的老化原因及现象。
This article describes the aging reasons and phenomena of polypropylene woven sack without adding anti-aging agent.
主要产品：聚乙烯、聚丙烯编织袋，蓬布，绳子、薄膜等，年产量4000吨。
The main products: PE sand bag, PP woven bag, tarpaulin, rope and pellicle.
主要产品：聚乙烯、聚丙烯编织袋，蓬布，绳子、薄膜等，年产量4000吨。
The main products: PE sand bag, PP woven bag, tarpaulin, rope and pellicle.
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