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自80年代开始,我国就开始生产和应用聚氨酯防水涂料,由于它具有良好的防水性能和简便的施工特点,因此深受市场欢迎,发展也非常迅速。目前市场上的聚氨酯防水涂料主要有两大类,一类是以焦油作为主要填料的焦油型聚氨酯防水涂料,习惯称“851”,它是国内最早研制生产和使用的产品;另一类是以聚醚、古玛龙树脂或石油沥青作为主要填料的非焦油型聚氨酯防水涂料,习惯称“911”,这一类材料是在“851”的基础上通过改良研制成
Since the 1980s, our country began to produce and apply polyurethane waterproof coatings. Due to its good waterproofing performance and simple construction characteristics, it has been well received by the market and has developed rapidly. Currently there are two major categories of polyurethane waterproof coating on the market, one is the tar-based polyurethane waterproof coating with tar as the main filler, used to be called “851”, which is the first product developed and used in China; the other is based on Polyether, ancient Malone resin or petroleum asphalt as the main filler of non-tar polyurethane waterproof coating, used to call “911”, this type of material is based on the “851” developed by the improved