Štítky:
pH neutral
When we found information in e-shops that their PVA products were pH neutral and did not smell bad, we started to think about it. We told ourselves that we must buy such miraculous material somewhere.
As there are only mechanical and textile (and these are half mechanical anyway…. ) engineers in our company, we first asked for help our friends chemists and then our Japanese material supplier. We guessed that this problem would turn into a banality.
We handed over samples of all PVA…