PA+PE PA+PET composite film ,
Below is a condensed version of the description of PA/PE, PA+PE, PA/PET, PA+PET, PVC/PE, and PVC+PE composite films, reduced to approximately 1000 words while retaining key details about their roles and applications.
Composite films like PA/PE, PA+PE, PA/PET, PA+PET, PVC/PE, and PVC+PE are engineered materials widely used in packaging and industrial applications. By combining polyamide (PA), polyethylene (PE), polyethylene terephthalate (PET), and polyvinyl chloride (PVC), these films offer tailored properties such as barrier protection, strength, flexibility, and sealing capabilities. Below, I explore their roles and uses.
PA/PE Composite Film
PA/PE film layers polyamide (PA), or nylon, with polyethylene (PE). PA provides mechanical strength, puncture resistance, and a strong oxygen barrier, while PE adds flexibility, moisture resistance, and heat-sealing properties. This combination excels in food packaging, especially for vacuum-sealed products like meat, cheese, and fish. The PA layer prevents oxygen ingress, extending shelf life, while PE ensures a tight seal. PA/PE is also used in industrial packaging for items needing durability, such as technical components, due to its robustness and versatility. It's often employed in thermoforming for trays or containers, making it a staple in perishable goods preservation.
PA+PE Composite Film
PA+PE typically denotes a blend or less structured mix of PA and PE, rather than distinct layers. It retains PA's toughness and gas barrier qualities alongside PE's flexibility and cost-effectiveness. This film is used in simpler packaging, like bags for agricultural products (e.g., seeds) or non-perishable goods (e.g., clothing). While it doesn't match PA/PE's precision in high-barrier applications, it offers a practical, affordable solution for moderate protection against moisture and physical damage. Its role is to balance performance and economy in less demanding scenarios.
PA/PET Composite Film
PA/PET film combines PA with polyethylene terephthalate (PET). PET brings rigidity, clarity, and thermal stability, while PA adds puncture resistance and an oxygen barrier. This makes PA/PET ideal for high-performance packaging, such as for snacks, dried fruits, or premium meats, where transparency enhances visibility and PA preserves freshness. It's also used in medical packaging for sterile items, as it withstands sterilization and provides durability. The film's glossy finish and strength suit retail and pharmaceutical needs, offering both protection and aesthetic appeal.
PA+PET Composite Film
PA+PET refers to a blend or co-extruded mix of PA and PET, combining PET's clarity and strength with PA's flexibility and barrier properties. It's used in applications like cosmetic or electronic packaging, where moderate protection and visual appeal are key. In food packaging, it wraps items like confectionery, balancing cost and performance. PA+PET is also found in medical packaging for non-critical items, providing a lightweight, durable option. Its role is to offer a versatile, economical alternative to layered films like PA/PET.
PVC/PE Composite Film
PVC/PE pairs polyvinyl chloride (PVC) with PE. PVC offers durability, chemical resistance, and clarity, while PE provides flexibility and sealing strength. This film is widely used in non-food packaging, such as for pharmaceuticals, hardware, or consumer goods, where moisture resistance and toughness are needed. In food applications, it's less common due to PVC's potential toxicity concerns but can serve as secondary wrapping for produce or bakery items. PVC/PE excels in blister packs and shrink wraps, leveraging PVC's shrinkage and PE's sealing properties. Its role extends to industrial uses like protective sheeting.
PVC+PE Composite Film
PVC+PE indicates a blend of PVC and PE, merging PVC's rigidity with PE's flexibility. It's used in general-purpose packaging, such as for toys, household items, or bulky goods, offering basic protection against moisture and damage. In agriculture or construction, it serves as temporary covers or liners due to its affordability and adaptability. While less precise than PVC/PE, it provides a cost-effective solution for applications not requiring high clarity or barrier performance, such as retail or industrial wraps.
Comparative Roles
PA-based films (PA/PE, PA+PE, PA/PET, PA+PET) focus on gas barriers and strength, making them ideal for food and medical uses. PA/PE and PA/PET excel in high-barrier scenarios, while PA+PE and PA+PET offer cost-effective alternatives. PVC-based films (PVC/PE, PVC+PE) prioritize durability and moisture resistance, suiting industrial and non-food packaging. Layered films (PA/PE, PVC/PE) provide tailored performance, while blends (PA+PE, PVC+PE) balance cost and utility.
Applications
These films serve diverse industries. PA/PE and PA/PET dominate food packaging for perishables and premium goods, ensuring freshness and appeal. PA+PE and PA+PET cater to simpler needs, like bulk or cosmetic packaging. PVC/PE and PVC+PE support industrial, pharmaceutical, and retail uses, offering robust, affordable protection. Together, they address needs from shelf life extension to product presentation, making them vital in modern applications.
In summary, PA/PE, PA+PE, PA/PET, PA+PET, PVC/PE, and PVC+PE composite films leverage material synergies to meet specific demands, enhancing packaging and protection across sectors.
wholesale transparent release pet film heat transfer for offset screen printing
Specification
PET Release film is a kind of hot stamping printing negative in the thermal transfer release film products. It belongs to the cold tearing matte product and is used in water-based white ink;
In the aspect of direct injection printing, the product is mainly made of high temperature resistant polyester film (BOPET film), which has been precisely coated for many times.
Main characteristics
1. The release film has uniform coating, good product stability, multi-channel precision coating, excellent color reduction and recoating performance;
2. The release film after 130 ~ 160 degrees of heating and ironing, easy cold tearing peel, do not take off the bottom, high yield;
3. This product has passed the SGS environmental protection certificate.
Application Manual:
1. Apply to printing: offset printing, screen printing, gravure, flexo hot peeling heat transfer products.
2. Applicable heat transfer materials: cotton, chemical fiber, cotton blended fabric, EVA, non-woven fabrics, leather and other heat resistant fabric
3.Peeling method:cool/hot peeling
4. Applicableheat transfer material: water (301, 305 series heat transfer). Oily (JB W series heat transfer ink, HMA, 529, 530, 531 series heat transfer glue). Weak sublimation offset printing ink, etc.
5. Applicable heat transfer sticker level:A,B,C,D,E,F(According to the Kenteer company standard)
Products using the matters needing attention:
1. before transfer,keep printing substrates clean and tidy;
2. At printing and production, avoid contact with sharp objects, in order to avoid scratches, impact effect
3. At printing and production, avoid contact with hot objects
4. Offset printing,pay attention to the light to take and light put, prevent scratch color printing design;
5. Putting it together should not exceed 20 after printing offset printing products, prevent print the stick.And enter pump suction wet wet room 12 h about 40 ºC,after the offset printing ink drying,then screen printing.
6. This product is applicable to water, oily silk screen printing ink
7.After Silk screen printing baking temperature between 50 ºC to 65 ºC advisable, to prevent high temperature lead to slight deformation generates set of bit of film not accurate
8.Before transfer the image,cut out the other parts of the blank and with 2 mm border.
9.Transfer temperature:130ºC-150ºC,Trnsfer time:6-15s Press:20-30 pounds
10. Machine time out, lift or move the machine heating panel, please be sure to tear up the film above immediately.
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