Private enterprise -- Harbin Plastics Research and Harbin Institute of Technology jointly developed a five-layer co-extruded heat shrinkable film unit, namely SRJZ-35/5A-III obtained an invention patent. The unit was installed at the Harbin Candy Beverage General Factory. After several months of operation, it showed that the unit performance was reliable and met the requirements of users.
The main features of this unit are: It can adjust the structure arbitrarily. The production of single layer or 2 to 5 layers of film can be adjusted randomly; the heat shrink can be adjusted; it can produce 1 to 5 layers of co-extruded film, and can also produce 1 to 5 layers of heat shrinkable film. 1 to 5 layers of heat-shrinkable casing film and other three series of products; at the same time, can use different raw materials, polypropylene, polyethylene, EVOH, EVA, etc., film folding diameter 60-300mm suitable for food packaging, to meet the needs of the domestic market.
The main features of this unit are: It can adjust the structure arbitrarily. The production of single layer or 2 to 5 layers of film can be adjusted randomly; the heat shrink can be adjusted; it can produce 1 to 5 layers of co-extruded film, and can also produce 1 to 5 layers of heat shrinkable film. 1 to 5 layers of heat-shrinkable casing film and other three series of products; at the same time, can use different raw materials, polypropylene, polyethylene, EVOH, EVA, etc., film folding diameter 60-300mm suitable for food packaging, to meet the needs of the domestic market.
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