通过显微观察及板内结合强度测试，结果表明，蒸汽冷凝水对水溶性PF树脂胶有稀释作用，改变胶的流动和渗透性能。
The results of microscopic observation on the glue line and internal bond testing of the board showed that the condensed water would dilute PF and thus increase its flow and penetration into flakes.
所研制的树脂胶是一种水溶性改性热固酚醛树脂胶。
A modified Formaldehyde is developed and it is a water dissolve modified thermosetting Phenol Formaldehyde.
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