Perspiration Tester Kit, to determine color fastness to perspiration test

For more information, you can visit : www.testextext...
Or email us: [e-mail]

[@Roshan.pahalage]

What is the solution you use.

[@yemili240]

Perspiration solution kotokhon use kora jaay

[@sagardebnath1956]

what chemicals are used ?? thare

[@cinimawood9230]

Acid and alkaline