After washing, give the film a final rinse in water containing an ILFORD ILFOTOL Wetting Agent (1 + 200). The film should then be hung to dry.

水洗后，胶片放在水中，再进行一次最后的漂洗，水中包含依尔福ilfotol润湿剂(1 + 200)。然后将胶片挂起干燥。

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Laboratory test shows that core plugging rate by using the agent is over 90%, recovered rate of permeability is over 85% after washing with water for a long period of time.

室内实验表明，该堵剂可使岩心堵塞率达到90%以上，用地层水长时间冲刷后，渗透率恢复值在85%以上。

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