WELD-KA SOLVENT CEMENTS MUST NEVER BE USED IN A PVC OR CPVC SYSTEM USING OR BEING TESTED BY COMPRESSED AIR OR GASES.
Average Initial Set Schedule For WELD.KA PVC / CPVC Solvent Cements
Temperature Range
Pipe Sizes
1/2" to 11/4"
Pipe Sizes
11/2" to 2"
Pipe Sizes
21/2" to 8"
Pipe Sizes
10" to 15"
Pipe Sizes
15"+
20° to 50°C
2 min
5 min
30 min
2 hrs
4 hrs
5° to 20°C
5 min
10 min
2 hrs
8 hrs
16 hrs
-10° to 15°C
10 min
15 min
12 hrs
24 hrs
48 hrs
Note - Initial set schedule is the necessary time to allow before the joint can be carefully handled. In damp or humid weather allow 50% more set time.
AVERAGE JOINT CURE SCHEDULE
FOR WELD-KA PVC/CPVC SOLVENT CEMENTS*
Relative Humidity 60% or Less
Cure Time
Pipe Sizes
1/2" to 11/4"
Cure Time
Pipe Sizes
11/2" to 2"
Cure Time
Pipe Sizes
21/2" to 8"
Cure Time Pipe Sizes 10" to 15"
Cure Time Pipe Sizes 15"+
Temperature Range During Assembly and Cure Periods
up to
160 psi
160-370 psi
up to
160 psi
160-315 psi
up to
160 psi
160-315 psi
up to 100 psi
up to 100 psi
20° to 50°C
15 min
6 hrs
30 min
12 hrs
11/2 hrs
24 hrs
48 hrs
72 hrs
5° to 20°C
20 min
12 hrs
45 min
24 hrs
4 hrs
48 hrs
96 hrs
6 days
-10° to 15°C
30 min
48 hrs
1 hr
96 hrs
72 hrs
8 days
8 days
14 days
Note - Joint cure schedule is the necessary time to allow before pressurizing system. In damp or humid weather allow 50% more cure time.
**These figures are estimates based on our laboratory tests; extended set and cure times are required for chemical applications.
Due to the many variables in the field, these figures should be used as a general guide only.