Several key requirements for food packaging bags

There are many issues to consider when making food packaging bags. The following is a brief introduction to the key points of food packaging requirements for the supervisor who works in plastic packaging. Aluminum foil bags are generally stored away from direct sunlight and stored away from fire sources. They can be stored for 2 years at room temperature of 25 degrees Celsius. Aluminum foil bags are also called polyamide 66 or nylon 66. Yellowish translucent or milky white opaque resin. The relative density is 1.14～1.15, and the melting point is 259～267℃. It has excellent wear resistance, oil resistance and self-lubricating properties, and is the highest variety in aliphatic nylon in terms of heat resistance, strength and rigidity. Tensile strength 75.9～82.9MPa, compressive strength 91MPa, Izod impact strength (notch) 4kJ/m, thermal deformation temperature (1.82MPa) 75℃, hardness R120, volume resistivity 1015Ω·cm, dielectric strength 35kV/m, self-extinguishing. By adipic acid and hexamethylene diamine polycondensation obtained. It can be processed by extrusion, injection molding, blow molding and other methods. It can be reinforced, filled, and alloyed for modification. A large number of plastic packaging bags used as fibers and tire curtains can be divided into: plastic woven bags and plastic film bags according to different product structures and uses. Plastic woven bags are currently widely used as a packaging material for fertilizers, chemical products and other items. Its main production process is to use plastic raw materials to extrude film, cut, and unidirectionally stretch into flat yarns, and obtain products through warp and weft weaving, generally called woven bags. Features: light weight, high strength, corrosion resistance and other characteristics, after adding plastic film lining, it can be moisture-proof and moisture-proof; the load capacity of light bags is below 2.5kg, the load capacity of medium bags is 25-50kg, and the load capacity of heavy bags is 50-100kg. Composite packaging bags, aluminum foil bags, plastic packaging bags First: product market research work. Including product marketing (belongs to: marketing, marketing) objects, product specification customization, market sales of similar or similar products, regional and national characteristics, price positioning and profit prospects. The vacuum bag is filled with nitrogen, carbon dioxide and other gases after the vacuum is drawn. Nitrogen is an inert gas, which acts as a filling and keeps the vacuum bag at a positive pressure to prevent the air outside the bag from entering the bag, and has a protective effect on the food. Carbon dioxide has the activity of inhibiting microorganisms such as mold and spoilage bacteria. Some foods such as crispy and fragile food, easily deformed and oily food, food with sharp edges and corners or high hardness will puncture the vacuum bag, etc. After vacuum inflatable packaging, the inflation pressure in the vacuum bag is stronger than the atmospheric pressure outside the packaging bag, which can effectively Prevent the food from being crushed and deformed under pressure, and does not affect the appearance and printing decoration of the packaging bag. With the promotion of vacuum bag small packaging and the development of supermarkets, its scope of application will become more and more extensive, and some will gradually replace hard packaging. Second: the planning and design of packaging. A good product packaging is related to the future listing and sales of this product. Now many companies are greedy for cheap, just do a good packaging design and directly produce, there are many problems. The quality of packaging design is closely related to the company’s positioning and marketing strategy, so a good packaging is like a business card. Third: manufacturing. Plastic packaging bag is a kind of packaging bag that uses plastic as raw material and is used in the production of various products in life. It is widely used in daily life and industrial production, but the convenience at this time brings long-term harm. Plastic packaging bags can be divided into OPP, CPP, PP, PE, PVA, EVA, composite bags, co-extrusion bags, etc. Because food packaging has very strict requirements on materials, the transparency, air permeability, light resistance, moisture resistance (preventing mildew and deterioration of items), storage period, and temperature of materials are all important issues to be considered. There are many manufacturers now, the first consideration is the price, and the second is the printing of the product, but these are not the first. Product packaging focuses on the characteristics that are closely related to the product to determine the choice of packaging materials. Fourth: product packaging and sales. Nowadays, many manufacturers do not produce their own products, but entrust others to package them on their behalf. There are also many issues to be considered when packaging, the packaging environment, the quality of packaging personnel, packaging machinery, etc., which must be strictly implemented in the later stage. [Food packaging bag manufacturers][Vacuum packaging bags]