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经过试验,竹筋的防水处理,可用下列三种涂膜:(涂在竹筋表面上); 1.松脂酯与水罗松混合;2.松脂酯-水罗松; 3.松脂酯-铅白清漆(铅白8％) 第1种涂膜最为经济第3种涂膜的防水性能最好(浸水七天后之吸水率为0.28％)
After testing, the bamboo tendons can be waterproofed by the following three types of coating: (coated on the surface of the bamboo bars); 1. rosin ester mixed with water pine; 2. rosin ester - water pine; 3. rosin ester - lead White Varnish (Lead White 8%) The 1st coating is the most economical The 3rd coating has the best waterproof performance (water absorption after 0.2 days of soaking is 0.28%)