Average Initial Set Schedule for WELD-ON PVC and CPVC Solvent cements**
| Temperature Range |
Pipe Size
1/2" to 1-1/4" |
Pipe Size
1-1/2" to 2" |
Pipe Size
2-1/2" to 8" |
Pipe Size
10" to 15" |
Pipe Size
15" + |
| 60° – 100° F |
2 minutes |
5 minutes |
30 minutes |
2 hours |
4 hours |
| 40° - 60° F |
5 minutes |
10 minutes |
2 hours |
8 hours |
16 hours |
| 0° – 40° F |
10 minutes |
15 minutes |
12 hours |
24 hours |
48 hours |
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-ON PVC/CPVC solvent cements**
| Relative Humidity 60% or less |
Cure Time
Pipe Size
1/2" to 1-1/4" |
Cure Time
Pipe Size
1-1/2 to 2" |
Cure Time
Pipe Size
2-1/2" to 8" |
Cure Time
Pipe Size
10" to 15" |
Cure Time
Pipe Size
15" + |
| Temperature range during assembly and cure periods |
Up to 160 PSI |
Above 160 to 370 PSI |
Up to 160 PSI |
Above 160 to 315 PSI |
Up to 160PSI |
Above 160 to 315 PSI |
Up to 100 PSI |
Up to 100 PSI |
| 60° to 100° F |
15 min |
6 hours |
30 min |
12 hours |
1-1/2 hours |
24 hours |
48 hours |
72 hours |
| 40° -60° F |
20 min |
12 hours |
45 min |
24 hours |
4 hours |
24 hours |
96 hours |
6 days |
| 0° – 40° F |
30 min |
48 hours |
1 hours |
96 hours |
72 hours |
8 days |
8 days |
14 days |
Note – Joint Cure schedule is the necessary time allowed before pressurizing system. In damp or humid weather allow 50% more cure time.
**These figures are estimates based on 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.
Title: How long does it take for the IPS WELD-ON PVC/CPVC pipe cements to set and cure?
Description: PVC and CPVC cement set and cure times.
Published: 11/7/2007
Last Edited: 1/5/2023
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