High polymer materials such as rubber, plastic and fiber will have a certain shrinkage under a certain temperature. Most products are required to have a good thermal stability and small shrinkage, but some products ate required to have a large shrinkage when heated . The performance that high polymer materials will shrink by heating is opposite to that of metal materials . Taking advantage of this performance .we make the high polymer materials into heat-shrinkable rubber boot,heat-shrinkable membrane plastic,heat-shrinkable fiber and fiber-knitting which will be used for packging .
The heat-shrinkable membrane plastic is widely used recent years with the advantage of its transpatency,multiple variety,abound raw materials,ease of producing and using ,The table 1 shows the main performance and the application of the heat-shrinkable membtane plastic.
Besides the variety in table 1,,PA,PA,PET,PVCD, EVA etc also can be made into the heat-shrinkable membrane plastic, it is requirded that the hea-shrinkable membrane plastic be stable under normal temperature and shrink when heated. The characteristics of the heat-shrinkable membrane plastic : The transpatency help to present the figure of the product.Intensive and firm, prevent from the flowability. Small package capacilty reduce the storage and shipment cost.Shower-proof,damp-proof and anti-fungus. Healthy and ease of clearing . Nonrelease, ensure the prevention of fake and burglary. Various specification of membrane and wide choices.Recycle used and do no harm to the environment
Type | SJ-700 | SJ-1100 | SJ-1700 | SJ-2200 |
Max.Layflat Widty mm | 600 | 1000 | 1500 | 2000 |
Film Thichness mm | 0.02-0.15 | 0.02-0.15 | 0.02-0.15 | 0.02-0.15 |
Output kg/h | ≈35 | ≈65 | ≈85 | ≈100 |
Raw Material | LLDPLDPEHDPE | |||
Screw Diameter mm | 50 | 65 | 80 | 90 |
Screw L/D RatioL/D | 28:1 | |||
Max.Screw Rotation Speed r/min | 100 | 100 | 100 | 100 |
Extruder Driving Powerkw | 11 | 18.5 | 30 | 37 |
Air Ring | Dual-lip Air Ring\Rorary Air Ring | |||
Die Structure | Cylindrical Helical Die Core\360° Rotary Die Head | |||
| 80 | 80 | 80 | 80 |
Total Powerkw | ≈28 | ≈42 | ≈58 | ≈75 |
Overall Dimensions(L×W×H) M | 4×1.8×3.6 | 5.8×2.2×6.0 | 6.5×2.7×6.0 | 8.2×3.2×8.8 |
WeightT | ≈2.2 | ≈4.5 | ≈6 | ≈9 |