Thermoforming machine (also known as flat vulcanizing machine, rubber vulcanizing machine, a small tablet press, automatic tablet machine) for the mixing process, ingredients test rubber, polymer plastics industry, such as PVC, masterbatch and other chemical raw materials, to detect whether the required color and quality, can be used as basis for factory production before the ingredients. Plastic or rubber material put in the mold, sandwiched between the upper and lower heating plate, heating plate at a smart thermostat to impose pressure on the molding material. Thermoforming vacuum packaging can automatically extract the air bag package, complete the sealing process after reaching a predetermined vacuum. Can be filled with nitrogen or other gas mixture, and then complete the sealing process. Thermoforming vacuum packaging is often used in the food industry, because after after vacuum packaging, food antioxidant able to achieve the long-term preservation purposes.
The main advantages of vacuum packaging is saving raw materials, light weight, easy to transport, good sealing performance, environmentally friendly green packaging requirements; any special products can be packaged, boxed without additional cushioning material; transparently visible packaging products, appearance beautiful, easy to sell, and are suitable for mechanization and automation of packaging, ease of modern management, save manpower and improve efficiency. Applicable to all kinds of plastic composite film and aluminum foil composite film of all kinds of plastic packaging, liquid, semi-fluid, solid granular, powder, paste food, fruit, vegetables, rice, flowers, chemicals, precious herbs, rare paintings , electronic components and a variety of decay, corrosion, moisture, mildew, oxidation articles nitrogen vacuum packaging or vacuum packaging, making it extend shelf life.
Vacuum packaging technology originated in the 1940s. In 1950, polyester, polyethylene plastic film successfully used vacuum packaging, after vacuum packaging has been developing rapidly. China vacuum packaging technology in the early 1980s, developed, and filling the vacuum packaging technology in the early 1990s began to use a small amount, along with the promotion and development of small supermarket packaging, its scope more widely, Some will gradually replace the rigid packaging, the prospects are very promising.
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