Advice Needed: Methylcellulose vs Carboxymethylcellulose vs Sodium Carboxymethylcellulose

I know that methylcellulose is often used in paper and cloth conservation processes. I also know that a PVA-mix with methylcellulose is in use by bookbinders — that mix allows lengthening of the time of drying of the PVA glue. I’ve even used the mix myself while I was studying at the American Academy of Bookbinding. However, since the time of my study I still haven’t bought any methylcellulose here in Moscow. Continue reading →