White sports shoe upper leather coating process
The invention relates to a prime coat chemical material, which is prepared from the following components in parts by weight: 250 to 400 parts of water, 10 to 80 parts of penetrant, 100 to 200 parts of medium-soft aliphatic polyurethane resin, 100 to 150 parts of adhesive aliphatic polyurethane resin...
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Format: | Patent |
Sprache: | chi ; eng |
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