Environment in summer and winter were simulated. Roles of catalysts on the aeration, hardness and deformation of polyether type PU soft foam were studied.
模拟冬夏季节环境，考察了不同催化剂对聚醚型聚氨酯软质泡沫通气性、硬度和压缩变形的影响。
Our company main produces soft and hard PU foam products with different form.
公司主要生产软、硬泡pu产品，可生产各种造型的PU制品。
Our company main produces soft and hard PU foam products with different form.
公司主要生产软、硬泡pu产品，可生产各种造型的PU制品。
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