Category: Test Equipment

Freeness Testing Demonstration

A while ago we had a spare freeness tester for sale, and for the occasion I had started making a video demonstrating how they work and how they are used. We have since sold the tester but I never finished

Posted in Kevin, Pulp preparation, Test Equipment

Schopper-Riegler Freeness Tester for sale

This is the third piece of papermaking laboratory equipment I have for sale. Per ISO standard 5267-1, this tests the “freeness” of the pulp, which can be thought of as the amount of water which is “free” and will drain

Posted in Sold, Test Equipment

Gurley paper permeability (porosity) tester for sale

Another commercial paper mill laboratory instrument we are putting up for sale is a Gurley Tester, which measures the porosity or permeability of a sheet of paper by trying to blow air through it as defined in TAPPI test T460.

Posted in Sold, Test Equipment

Laboratory Handsheet Former for sale

We bought this handsheet former several years ago as part of a lot of commercial papermaking laboratory equipment and it is time we tried to sell it. This unit is for making standardized test sheets following TAPPI (The American Pulp

Posted in Sold, Test Equipment