... ABS, polymethyl methacrylate plastics. This product is tolerant of cold, hot, acid and alkaline.How to use ... 1.Use sandpaper to make the surface of pipe or pipe fitting rough, chamfered edge. ... 2.The grease, smirch of the contacted surface must be cleaned off by acetone ... the temperature is very low.NOTE Keep it out of touch of children, stored in cool, dry and ventilated places ...