Ph Testing Pen

☆☆☆☆☆ (0 reviews) EAN: 747432308747

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10,20 USD

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Last updated: 2 maanden geleden

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Prijzen en beschikbaarheid kunnen wijzigen. Laatst bijgewerkt: 20.08.2026 14:16.

EAN 747432308747

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The Ph Testing Pen is 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, while a purple line reveals the paper is safe for preservation purposes.

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