1, with different meanings: selecting virgin wood pulp means extracting fibers and adding recycled pulp during pulping, while 100% virgin wood pulp means that the paper is completely composed of virgin wood pulp without adding any recycled pulp or other additives.

2. Different purity: 100% paper with primary wood pulp is usually purer and of higher quality, because it is made entirely of primary wood pulp, and some recycled pulp will be added to the paper with selected primary wood pulp, so the purity is not as good as that of 100% paper with primary wood pulp.