Lanco Purple Jet-Dry Cement 4oz: Fast Bonds for Pressure Lines
By Maintenance Depot Plumbing Team · Last reviewed
Quick answer
Lanco Purple Jet-Dry (4oz) is an instant-adhesion violet solvent cement for PVC, CPVC and ABS, ideal for pressurized drinking water systems and quick repairs.

When you need a pipe joint to grab fast and hold under pressure, Lanco Purple Jet-Dry™ (4oz) is built for the job. It's an instant-adhesion violet cement for PVC, CPVC and ABS pipes.
Specs at a glance
| Spec | Detail |
|---|---|
| Product | Solvent cement |
| Brand / name | Lanco Purple Jet-Dry |
| Size | 4oz |
| Colour | Violet |
| For | PVC, CPVC and ABS |
| Ideal for | Pressurized drinking water systems |
Key features
- Instant adhesion, so joints set quickly
- Violet colour, making it easy to confirm a joint was cemented
- For CPVC, PVC and ABS pipes
- Ideal for pressurized drinking water systems
- Solvent-based formula
Where to use it
- Household water supply lines
- Repairs that need to go back into service quickly
- Tank-to-house and pump lines
How to use
- Cut, deburr and clean the pipe and fitting.
- Apply an even coat of cement to the pipe end and a thinner coat inside the socket.
- Push together with a quarter turn and hold for 30 seconds.
- Wipe away excess cement.
- Allow cure time before pressurising; follow the label for your pipe size and temperature.
4oz or 8oz?
The 4oz suits small repairs. For bigger jobs or several joints, choose the 8oz size.
Safety
Use in a well-ventilated area and keep away from sparks and flames.
Frequently asked questions
Why is the cement purple?
The colour makes it easy to see that a joint was cemented.
Can I pressurise the line straight away?
No. Follow the label cure times for your pipe size and temperature.
How long should I hold the joint?
About 30 seconds after pushing it together.