Traditional steel tanks are heavy and prone to rust, while standard plastic liners can slowly leak gas or odours over time.
By upgrading to PET (Polyethylene Terephthalate) liners, composite LPG cylinders solve both problems—setting a fresh standard for safe, clean energy distribution. Here’s why PET is changing the game:
1. Virtually Zero Gas Leaks
Standard HDPE plastic liners allow tiny amounts of gas to seep out over time. PET’s dense structure cuts micro-leakage by 95–98 %.
The bottom line: These cylinders lose less than 1 to 5 grams of gas per year—making evaporative loss practically zero during long-term storage.
2. No Smelly Tanks, No "Odor Fade"
LPG relies on added scents (like ethyl mercaptan) so you can instantly detect a leak. Standard plastics can absorb these scents, causing a faint smell around stored tanks and weakening the warning smell inside the gas. PET locks everything in completely:
- Zero smell on the outside of your stored cylinders.
- 100 % odour preservation on the inside so safety scents stay strong.
3. Smarter for the Planet
PET isn't just tough—it's also one of the most widely recycled plastics on Earth. Combined with a long lifespan and a rust-free design, PET liners drastically cut down the environmental footprint compared to manufacturing traditional heavy steel cylinders.