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What Causes Oil Leaks on Vape Cartridges and What Can You Do to Fix Them?


There are few things more irritating than a leaking cartridge. Here are the reasons: Oil is precious; Vaping experience is spoiled.

Most vapers, whether beginners or veterans, have experienced the problem. However, if we can find out the oil leak causes, and the problem could be avoided. This article will try to offer some solutions to help manufacturer, oil brand, and user stamp out oil leaks for good. Leakage means that oil will flow out even without any cracks of the cartridge. It may leak out from the glass tube edge, air inlet, drip tip or bottom positive screws etc.

Poor design structure; Thickness or length of cotton; Aperture size does not match oil viscosity; Poor seal design.
For Manufacturer

Product design related

Oil leak causes
※ Poor design structure;
※ Thickness or length of cotton;
※ Aperture size does not match oil viscosity;
※ Poor seal design.
※ Standardized design;
※ List of test items;
※ Verification of limit tolerance fit;
※ Perform failure analysis;
※ Oil test in American laboratory.

Production related

Oil leak causes
The cotton is not in place;
The sealing ring is not installed properly.

Automated production;
Train skilled workers.

Quality control related

Oil leak causes
Material incoming quality defect;
Poor quality control;
New product reliability test is incomplete;

Strengthen incoming inspection;
Improve quality control;
Carry out completing new products reliability test.
For Oil Brand

Oil leak causes
Cartridge does not match oil type;
Fill oil at high temperature;
Long time placement before sealing (capping)
High air pressure whiling sealing (capping)
High air pressure whiling filling

Do not top off the tank;
Leave upside down after sealing (capping);
Use a syringe with a fine needle;
Wipe off the remaining oil on the needle;
A Comprehensive Solution to Oil Leaks on Vape Cartridges
Oil Sample Test

Carrying out oil sample test before order can effectively solve most of the above-mentioned oil leaks. Transpring highly recommended oil brands carrying out oil sample test according to the Product Acknowledgment provided by Transpring.
Through oil sample test, you can find the oil filling method, oil filling temperature, pressure, and sealing (capping) time that are suitable for your oil type.
After the sample test, timely feedback on the problems in the test. If there is no problems found, please sign on the Acknowledgement.
Ensure that the oil types of the bulk are the same as those used in sample test. If the oil types are changed, the sample test needs to be redone.
For User

Oil leak causes
Use or store under high temperature.

Avoid using or storing under high temperature;
Do not leave cartridges in the car for a long time;
Keep away from fireplace or other heat sources;