no-freon polyurethane 无氟聚氨酯
What's more, there is no Freon refrigerant in the new system and no pollution effect.
其次，该系统中没有氟利昂制冷工质，对环境没有污染。
The product can never use freon as blister and no harmful gas effused to human body and environment, comply with the national requirements of environmental protection.
该产品因不采用氟利昂作为发泡剂，固溢出的气体对人体和环境均不造成损害，符合国家环保要求。
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