Stretch film application

日期:2019/7/8 10:54:59 / 阅读: / 来源:本站

Stretch film application
The main main uses of stretch thinning are as follows
1) Sales packaging of fresh food
2) Storage and packaging of fish, meat, fruits and vegetables
3) Packaging of frozen foods
4) Bundling and packaging of goods.
5) Winding packaging of the shipping pallet.
6) Sealing film of experimental utensils, etc.
Wrapped fruits and vegetables with stretch-preserved film have the effect of delaying the metabolism of fruits and vegetables, preventing evaporation of water, and isolating pests and diseases. For example, after citrus is treated with conventional drugs, it is individually packaged with PE plastic film and stored for 3 months. The fruit is still fresh and full. The original flavor is unchanged, the loss rate is only 4.85%; the fresh meat and fresh fish wrapped with the stretched fresh-keeping film can preserve the hemoglobin in the fresh meat and fresh fish, although the meat is still bright red after long-term storage. The frozen food wrapped with the stretched fresh-keeping film not only maintains the original flavor of the food, prevents the dryness of the frozen food, but also reduces the odor of the fresh food in the refrigerator and avoids the mutual odor between the various foods.
The stretch-wound property of the stretched film is the elastic stretchability of the film at room temperature, that is, the elastic recovery effect. The package of goods can be wrapped in a whole package or in a spiral wrap. Stretch-wound film can be used for small packages such as hardware and electrical appliances, instrumentation, mechanical parts, glass enamel, paper, cardboard, cloth, clothing, etc., and large packaging such as trays. It has the advantages of moisture-proof, dust-proof, clean and beautiful. The effect is the same as that of shrink film packaging. The pulling film does not need to be heated and baked to save energy, and the wrapping elasticity at low temperature is not affected.
By using the self-adhesiveness of the stretched film, the stretched film can be sealed on the mouth of the experimental vessel (such as test tube, baking dough, jar, etc.), and the stretched film can be used, which has the advantages of convenient sticking and easy tearing. . The stretched sealing film can not only prevent dust and keep the inside of the test vessel, but also prevent the volatilization of the reagent, ensure the accuracy of the experiment, prevent the pollution of various harmful gases to the laboratory, and also the surface of furniture, instruments and instruments. Play a protective role.


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