Blown film manufacturing process in principle and hollow blow molding is very similar, but it does not use the die, from the point of view of classification of plastics processing technology, blown film molding process is usually included in the extrusion. During the blowing process during the second world war, started for the production of low density polyethylene bottle.
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| film blowing machine |
The late 50 's, with the birth of high density polyethylene and development of blow molding machine, blow-moulding technology has been widely applied. Hollow container volume up to thousands of litres of production has been using computer control. Suitable for blow molding of plastic polyethylene, PVC, polypropylene, polyester, and empty containers are widely used for industrial packaging containers.
Blow molding, also known as hollow blow molding, a fast-growing plastics processing methods. Thermoplastic resins obtained by extrusion or injection molding of tubular plastic parison, before it's too late (or heating to soften condition), placed in the split cavity, shut immediately into the compressed air in the parison to make plastics parison blowing and close to the mold walls, cooling mold release.
Dongguan Shunxiang Plastic machinery Co.Ltd.
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Mobile:+86-13712930185 Whatsapp: +86-13712930185
Mobile:+86-13712930185 Whatsapp: +86-13712930185
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Address: No. 1, Xinyuan 5 street, Songbailang Village, Dalang Town, Dongguan City, Guangdong Province
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Main products of Shunxiang Plastic Machinery:
stretch film machine | film blowing machine | plastic recycling machine | blown film machine
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