Lineco pH Testing Pen

SKU: L533-0023 UPC: 099295530811
Authorized Dealer
IN STOCK
Price
$6.25
1
No gray market products
The quick and easy way to determine if paper or paperboard is acidic or safe for treasured collections.

Simply draw a line on the material to be tested. A clear or yellow line indicates material which is unsuitable, a purple line reveals the paper is safe for preservation purposes.