Here is what the Nikwax people say.


Adds / renews water repellency of tents & equipment.

Prolongs the life of gear and optimises performance in wet weather.
Easy to apply.
Can be wet used on wet fabrics.
Will not affect cosmetic appearance.
WaterBased — environmentally friendly, biodegradable, non flammable, non hazardous.
Does not contain fluorocarbons.
Guaranteed performance for 4 years from manufacture.

To maintain the performance of waterproofed gear, regularly clean with Nikwax Tech Wash to remove everyday dirt and contaminants.

Remember
Green for clean
Purple for proofing

For use on non breathable fabrics. For Goretex and similar use Tx Direct.