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How much tackifier should be used when formulating packaging adhesives with polyethylene polymers?

April 26, 2017adhesives formulating packaging Polyethylene polymers Used

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How much tackifier should be used when formulating packaging adhesives with polyethylene polymers?

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Generally, 15 — 30% of the formulation should be tackifier. Excess tackifier can result in a brittle adhesive with reduced cold-temperature resistance and insufficient amounts of tackifier can result in very short open times and reduced hot tack or green strength properties.