Hot molding is one kind of the repeated molding technology taking that thermoplastic plastics sheet material draws slicing material as molding marriage partner , that the person follows sort is material first with board , movie plant the blank being sure to become the certain form and dimension , heat the blank to elastic-plastic state again under the certain temperature, bringing pressure to bear on sb then makes a blank curved and extend , the finalization of design cooling down of making after reaching predetermined type appearance becomes open shell shape products. What molding uses sheet material or slices material hot kind is polyphenyl alkene , Geon mainly , gathers methyl third sparse acid A to self's heart's content, polyethylene , polypropylene , ABS, gather sulfuric acid ester and PET etc.Heat up molding products characteristic: Products wall thickness is first less; Two is that products altitude or depth is all comparatively minor. Hot molding products is open-mouthed containers and the package being used for commodity of all kinds such as cup , set , box , the lid of a box , cover mainly, with the development of hot molding technology, refrigerator inner lining , automobile and large-scale hot products molding also available method molding such as the cockboat outer covering , chemical industry container.。
标准翻译、、希望可以帮助你、、
不是不存在,以上两种物质互为同分异构体.分子式均为C4H5Cl,。
CHCL=CH-CH=CH2大概叫:1-氯-1,3-丁二烯。
Automatic speed servo plus-minus pressure molding machine。
真TNND专业,伤脑筋啊,差不多是这个意思了。