| 配方类型： |
ADHESIVES |
| 配方说明： |
Bonding of Polyethylene or Polypropylene |
| 配制方法： |
1. Wash in acetone and dry.
2. Using a solution of 10 parts sulfuric acid, 1 part sodium dichromate and 30 parts of water (by weight) at 140-160'F, wash the internal surface for 10 minutes.
3. Rinse in clear water and then in dry air. Apply the coating just as soon as possible after the surface treatment. Then seal with heat. |
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