gas binder
... gas bending stress ==> 气流弯曲应力 gas binder ==> 气体粘结剂 gas blanket ==> 气层,气垫,气膜 ...
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该粘结剂采用PVA17-99为主要原料，通过改性等实验方法，并利用正交试验优化改性参数，制备了一种常温下呈液态的粘结剂，使用此种粘结剂的型砂可以通过吹入CO2气体硬化。
The main material of the binder was PVA17-99, the liquid binder was produced by means of modifying experiment and orthogonal test . The binder could be hardened by blowing CO2.
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