It’s possible to buy different kinds of wet pulp. Among which are cotton, linen, abaca and cellulose/cotton for your own use.
Pulp from cellulose/cotton is usually in stock. The other types only on order.,

Prices from January 2020

Material Price per kg
Cellulose/ cotton € 10,00
Linen, if available € 10,00
Abaca, if available € 10,00
Cotton, if avialable € 10,00