The raw material undergo chemical treatment and dilution for the modified tall oil pitch binding material to be obtained. and its dilute solution is used as a corebinder for foundry use.
以浮油沥青为原材料,经化工处理、稀释后成为改性浮油粘结剂。可以作为铸造用型、芯砂的粘结剂。
2
The first known use of "zero-gravity" is from Jack Binder (better known for his work as an artist) in 1938, and actually refers to the gravityless state of the center of the Earth's core.
1938年杰克·宾得(作为一个艺术家而闻名)第一次使用“零重力”,事实上是指地球核心的无重力状态。
3
The core materials consist of soluble phosphate binder, magnesium oxide hardener and high-purity silicon oxide as refractory aggregate materials.