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Ph Testing Pen

Ph Testing Pen

☆☆☆☆☆ (0 reviews) EAN: 747432308747
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10,20 USD
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Ціни та наявність можуть змінюватися. Останнє оновлення: 20.08.2026 14:16.

EAN 747432308747
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☆☆☆☆☆
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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.

Specifications
  • Easy-to-use ph testing pen
Features
  • Determines acidity of paper or paperboard
  • Quick and accurate results
  • Helps preserve treasured collections

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