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How long does it take for the IPS WELD-ON PVC/CPVC pipe cements to set and cure?

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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