Hydrion Insta-Chek pH Papers provide:
A direct reading pH paper with the widest range available in a single paper
A simple, single color match for all pH values
Distinct and easily matched color separations
Accurate,...
Ideal for high traffic areas in heavy manufacturing and in high traffic fulfillment operations.
NFSI Certified
Wearwell Nitricell sponge base
Tough abrasion and chemical resistant PVC surface
Diamond-Plate pattern...