With the rapid development of the packaging industry, the output of plastic packaging materials and products is growing rapidly, and new materials, new processes, new technologies, and new products are constantly emerging. Packaging is also one of the most important uses of expanded polypropylene (EPP), accounting for approximately 40% of the volume, covering almost all packaging industries.
The expanded polypropylene (EPP) material has excellent elasticity, impact resistance and pressure resistance, and has excellent protection for cargo. It has all the advantages of ordinary foam materials, and also has advantages that ordinary foam materials do not have. Expanded polypropylene (EPP) materials are much lighter in weight than ordinary foam, but have high strength, making EPP packaging materials less expensive to transport and have a longer service life. In addition, EPP materials are antistatic, durable, loss-free, easy to clean, and come in rich colors, making them widely used in the packaging industry.
1. Insulation box
When used as an insulating box, expanded polypropylene (EPP) material can be used not only for home use, but also in the takeout industry, cold chain logistics industry, and catering distribution industry. The thermal insulation performance of EPP is better than other materials. It has the advantages of heat preservation, heat insulation, oil resistance, good shock resistance, and can be used for both heating and cooling. And because the expanded polypropylene (EPP) material does not add any plasticizers and foaming agents during production, It can better ensure the safety of food and is an ideal choice for incubator materials. EPP refrigerated insulated boxes are mostly used for some time-sensitive and perishable items, including fresh food, seafood, fruits, vegetables and other products.
What are the advantages of EPP insulated box materials?
Its excellent heat resistance, can be used at 130 degrees Celsius; can withstand temperatures of minus 30 degrees Celsius, and the low temperature environment at this temperature will not change the performance of the insulated box; light specific gravity, good elasticity, and shock resistance It has high compression resistance, deformation recovery rate, and good absorption performance; it is oil-resistant, acid-resistant, alkali-resistant, resistant to various chemical solvents, non-water absorbent, insulating, and can be recycled with almost no performance degradation; its molecular structure is small in density and light in weight. Easy to transport and carry.
Here's epp products for planting.
2. Buffer packaging
Expanded polypropylene (EPP) materials can also be used as buffer packaging. EPP product buffer sheets are light in weight, flexible, can be used repeatedly, and are not easily broken. They are used in computers, advanced medical equipment, precision instruments, audio and video materials, cameras, Shockproof buffer packaging for glass ceramics, handicrafts, various household appliances, etc. to avoid damage during transportation.
Features of EPP buffer packaging materials: strong impact resistance, resistance to multiple impacts, good deformation recovery, and direction-independent; strong compression and bending resistance, good creep performance, heat insulation and high temperature resistance (130〬C); good friction performance, It is not easy to slide when in contact with the smooth surface of the product and does not damage the product surface; it does not contain harmful foaming agents such as Freon and can be in direct contact with food. The recycled material can be re-injected or extruded.
3. Electronic product packaging
Expanded polypropylene (EPP) materials can also be used for packaging of various electronic products, such as projectors, speakers, drones, headphones, etc. Since electronic products are relatively fragile and can be easily damaged by bumps, EPP materials are light in weight and strong in strength, which can ensure that the products in the packaging box will not be squeezed. It also has good elasticity and strong recovery function, which is very effective for transportation protection of electronic products. very good.
EPP electronic product packaging materials advantages: It has good anti-static properties and has obvious anti-static protection effect on electronic products; light weight and lightness can ensure that the products in the packaging box will not be squeezed; good elasticity, high recovery performance, and can be Extrusion can recover quickly, which is very effective for transportation protection of electronic products; it uses less materials, is smaller in size, and is lighter in weight, which can effectively reduce the footprint of electronic product packaging boxes and improve storage and transportation efficiency; It has good plasticity and can make precise hole positions through the mold, thereby well fixing various parts of electronic products; it has good moisture-proof and shock-resistant properties, making it easy to store and carry electronic products.
4. Food packaging
Because expanded polypropylene (EPP) is odorless, non-toxic, clean and hygienic, and has good thermal stability and thermal insulation properties, it is also used in a variety of food or meat packaging. Such as: food trays and containers used in microwave ovens and refrigerators, various utensils for daily food (plates, dishes, bowls, boxes, etc.), as well as meat packaging materials, tableware or processed into basins and dishes for Packaging of low-acidity foods such as applesauce and yogurt in containers.
Features of EPP food packaging materials: Environmentally friendly food-grade materials, the foaming process is only a physical molding process without any additives; resistant to boiling water, the thermoformed plates have sufficiently high impact strength at low temperatures; can be used in deep cold environments, the surface Comfortable and soft; antibacterial, odorless, environmentally friendly and reusable.
Expanded polypropylene (EPP) material has many advantages such as waterproof, fireproof, earthquake resistance, sound insulation and noise reduction, heat insulation, good plasticity, strong ductility, transformation and recycling, environmental protection, impact resistance, etc. It is an ideal substitute for traditional packaging materials. In addition to being used in the packaging industry, it is also widely used in automobiles, furniture, toys and other industries.
Expanded Polypropylene Packaging Machine is a custom-made machine by Hangzhou Pusheng that can be designed according to specific capacity requirements of customers. Hangzhou Pusheng company is the original manufacturer of Polypropylene foam machines and has developed several standard K-type machines that are compatible with German machines.
The K813 machine has a mold dimension of 800*1300mm, the K1018 machine has a mold dimension of 1000*1800mm, the K1214 machine has a mold dimension of 1200*1400mm, and the K1318 machine has a mold dimension of 1300*1800mm.
More details about Pusheng EPP shape molding machine:
Hydraulic System
■The hydraulic components of famous brands and differential pressure system design can realize high-speed and low-noise operation, and the fastest mold opening and closing speed can reach 350mm / s, which can realize high-speed, efficient and stable operation;
■Two point opening and closing mold, the latest mold locking mechanism technology, stable mold locking pressure, ensure no leakage during production, and effectively improve the utilization rate of energy consumption (steam);
Pipeline System
■The inlet, outlet and passage of each pipeline system adopt the optimal design, so as to minimize the waste of energy consumption and improve the response speed at the same time;
■The design of cooling water pipeline makes the water cooling fast and efficient; Die cavity copper tube ring design makes the product contact surface wider, cooling more fully, and the product surface more flat and smooth;
Molding System
■Application of electrical digital proportional valve: the imported electrical digital proportional valve and linear position sensor are used to efficiently and accurately control the proportional opening of angle seat valve. At the same time, combined with digital pressure sensor, the mold cavity pressure can be linearly stable, which changes the two action modes of analog control valve opening and closing of traditional equipment, and uses imported valves to ensure the stability of product quality and effectively save steam, air and other energy consumption;
■The design of the bypass pipeline of the latest heating system of EPP foam molding machine can effectively reduce the molding time and steam energy consumption;
Control System
■Siemens intelligent control system and humanized Windows Embedded system operation interface are adopted to make the operation easier and intelligent;
■It adopts the control mode of imported electric proportional valve plus linear position sensor and pressure sensor, and perfectly cooperates with the control system to make feeding, heating, blowing and water cooling more accurate, stable, reliable and efficient;
■The latest production molding technology makes it convenient and efficient control equipment to effectively improve production efficiency;
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