1,work quickly and carefully .

2,do not attempt cementing in the rain or in the presence of moisture.

3,do not cement when the temperature is below 40'F or above 100'F.

4,do not weld steel piping that has been connected to freshly cemented PVC or CPVC pipe .

5,keep primers and cements away from heat,sparks, and flame.

6,more information,pls connect suppier.