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9Â¥: Originally posted by Paulwolf at 2014-06-03 15:45:23
And it can increase the coating amount if we add some organic binder in PVA, the increment of 10% is better.

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4Â¥: Originally posted by Paulwolf at 2014-06-03 15:33:04
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5Â¥: Originally posted by reko34 at 2014-06-03 15:35:02
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The experiments show that if we put the polyurethane foam in the alkaline solution soaked for  8 hours at 60 ¡ã c temperature, the hanging feature of foam is best.
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And it can increase the coating amount if we add some organic binder in PVA, the increment of 10% is better.
9Â¥2014-06-03 15:45:23
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