Usage: Polymer materials such as rubber, plastic or fibre, in case outside certain environmental temperature, to have the varying degree size shrinkage changes. The actual product, most of the required good thermal stability, variation of size is small, but there are also part of the product requirements in fabricated immunostrips is have larger contractile. Polymer materials meet heat shrinkable performance, and metal materials meet the performance of thermal expansion contrary. Using this, combined polymer materials rubber heat shrinkable protect casing, plastic film heat shrinkable product, or fiber and fiber woven heat shrinkable products, applied in all kinds of packaging occasion. Plastic heat shrinkable film with its transparent, in many varieties and rich sources of the raw materials, manufacturing easy and convenient use, in recent years are swiftly application promotion. Table 1 lists main plastic heat shrinkable film performance and application. Besides table 1 variety outside, PS, PA, PET, PVCD, EVA can be made into heat shrinkable film. Heat shrinkable film requirements in room temperature stability, heat shrink. Heat shrinkable film packaging features are: (1) the finite transparent, reflect merchandise image. (2) fastening intensive, prevent scattered the gender is good. (3) packing small volume, reduce shipping costs. 4 rainproof, moistureproof, mildew prevent. Will5 clean sanitation sex. 6 no rehabilitation sex has certain anti-fake, anti-theft functions. 7 how choice is widely. Film specifications 7 can reclaim recycle, not to the environment granulation cause secondary pollution. The Main technique parameters with Main Variables: Figure (Model) MD - 27 Film folding biggest diameter (Max layfat width) 2500 Film thickness (thichness) 0.25-0.8 MM Screw Diameter (Screw Diameter) 90 Length-diameter Ratio (from) then Screw Screw Speed (100r/min Screw Speed) Host Power (Power) which 55kw Output (Output) 300kg/h The Total Power (Total Power) about 125kw Machine Weight (Machine) Weight of about 18T Shape dimension (Overall illusion) 8.6 * 3.8 * 8.0 m

