天气预报15天查询> 家居> pp+tpr是什么材质

pp+tpr是什么材质

更新时间: 2020-12-09 10:51:29     

pp+tpr是聚丙烯和热塑性橡胶材质的,很多家庭用的塑料制品都是用这两种材质混合制成的,比如脸盆、垃圾桶、儿童餐具、工具手柄等。tpr是一种环保健康的高分子材料,不会产生有害物质。pp又叫做聚丙烯,是一种聚合物,在80摄氏度以下的环境中可以耐酸碱和盐溶液的腐蚀,但是在高温环境下会分解,这种材质的应用是比较广泛的,服装、医疗器械、骑车、化工容器等都可以用到这种材质。

关键词: pp tpr 什么 材质

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-3542072/ | 耗时:0.6235 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=3542072 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3542072 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3542072 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3541445,3541629,3544049,3542331,3543978,3540858,3541811,3529460,3541609,3541301,3541219,3540998,3541769,3540774,3542099,3543045,3540993,3543106,3542775,1059200,3541678,1053772,3541022,3544028,3543821,3542860,3541521,3540790,3542299,3530740) ORDER BY field (ArticleID,3541445,3541629,3544049,3542331,3543978,3540858,3541811,3529460,3541609,3541301,3541219,3540998,3541769,3540774,3542099,3543045,3540993,3543106,3542775,1059200,3541678,1053772,3541022,3544028,3543821,3542860,3541521,3540790,3542299,3530740)