how will you check the purity of pure wool
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The most widely used method is the fire test where in a wool thread is bought in contact with lighted match-stick,
pure wool will not catch fire whereas adulterated wool will as it contains man-made polymers which melt easily.
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pure wool will not catch fire whereas adulterated wool will as it contains man-made polymers which melt easily.
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HOPE IT HELPS
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