Polyvinyl, also known as poly(vinyl chloride) or PVC, is the third most widely produced synthetic Plastic. It is a very versatile and cost-efficient thermoplastic of good dimensional stability and impact strength (when plasticized), and excellent weathering properties. It can be easily extruded, calendered and die-cut, and is printable with conventional screen and offset printing methods. Depending on the composition, it can be clear or matt, colored or white, and rigid or flexible. It can also be easily reprocessed using heat.
PVC has a rather polar backbone with strong intermolecular interactions. It is, therefore, rigid at room temperature. However, it can be easily softened (plasticized) by blending with plasticizer during fabrication. This versatility is a major advantage of vinyl polymers.
PVC Film without plasticizer is called rigid vinyl film, whereas plasticized PVC is called flexible vinyl film.1
Flexible Vinyl Film
Flexible vinyl film has good barrier properties to oil and grease but is oxygen permeable. It also has good cling, excellent clarity and puncture resistant. These properties make flexible PVC suitable for food packaging to keep meat and other perishable produce fresh (when FDA approved). However, plasticized PVC has a lower melting point, is less resistant to chemicals, and has a lower ultimate tensile strength than rigid vinyl.
Rigid Vinyl Film
Rigid vinyl, also known as unplasticized polyvinyl chloride (uPVC), is a strong and lightweight film. It is one of the most durable low-cost films and is resistant to many chemicals. Generally, uPVC can be used at temperatures up to 60°C. It has higher tensile strength and modulus than flexible PVC, but has low impact toughness, and is subject to stress cracking depending on the environment.
PVC has several limitations and drawbacks; the plasticizer can harden in cold conditions and soften under hot conditions, which lead to a change in properties and can compromise the strength of the seal. PVC also releases small amounts of hydrogen chloride into the air and produces carbon deposit onto the sealing equipment when heated. For this reason, good ventilation is required when sealing PVC shrink-wrap.
Company profile:
Shandong Top Leader Plastic packing Co.,Ltd was established in November, 1999. As a large-scale private enterprise with more than 500 staffs, our company is a major market player in plastic film and film manufacturer at North China. Our company pursues "people oriented policy" in human resource management and persists in applying "realistic approach, innovative mentality, quality consistency and efficient administration" as our core value. Strong technical force, advanced production equipment, our company embedded 14 calender lines, 10 printing machines, 10 lamination and emboss machines to supply products of common transparent film, super transparent film, electrostatic protective film, inkjet advertising film, trademark film, protective film gum paste, electricians film, grainy film, sound film, steel film, furniture membrane pressing film, etc. Totally 64 production lines, and the production of pvc sheet, PE sheet,pet sheet, Petg Sheet, GAG sheet ,PP Sheet, PS Sheet ,PC sheet ,pla sheet ,Biodegradable material film and Composite Plastic Film widely used in food packaging, pharmaceutical packaging, electronic tray, metal packaging , Handicraft packaging and other fields.
All of our quality management is complied with ISO9001-2008 Quality Assurance Certificate and SGS Quality Assurance Certificate . We also apply "customer first, satisfaction service" to provide a comprehensive process service value on our products. As a result our products have covered all over the world market. We sincerely welcome customers and friends from home and abroad for exploration and instruction, to establish extensive cooperation and to create brilliant future together.
Packing and Delivery:
PE FILM INSIDE + KRAFT OUTSIDE+PALLET
Our company adopts the protection angle of the paper shell imported from Taiwan, which can ensure the integrity of the goods to the maximum extent in the transportation process.
Paper tube Core:76MM
Paper tube thickness: 10mm
Paper tube port: No burrs and shredded paper are allowed. It is not allowed to stick with tape. Both ends of the paper tube are flush with the product.
Why we cared lot about packing:
We stipulate that the export packaging must use bullskin paper + PE film, the appearance of packaging tape, and the use of anti-folding packaging to minimize the impact damage of products in transit, and increase the annual packaging cost of nearly 200,000 yuan.
FAQ:
Q1:Could I have prices of your products?
A1:Welcome. Pls feel free to send us an email here. You will get our reply in 24 hours
Q2:Can we print our logo/website/company name on products?
A2:Yes, please advise the size and Pantone Code of the logo.
Q3:What's the lead time for regular order?
A3:10-21 days for order quantity lower than 50000KGS; For more quantity, usually 30 days.
Q4:Can I get a discount?
A4:Yes, for the order quantity more than 500 pcs, please contact us to get the best price.
Q5:Do you inspect the finished products?
A5:Yes, each step of production and finished products will be came out inspectio
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