PET film in China within the application
PET film as a kind of low cost, higher power production excellence, appearance, efficient logistics and environmentally friendly packaging materials in the field of beverage and beer in the developed countries widely used. Drinks in China, the use of beer work is increasingly widespread.
Europe PET film roll use quantity in more than 400000 tons a year, I had visited Europe's third-biggest PLASTO company shorten the membrane suppliers, its annual output is 2003 5. 50000 tons, the print of colorful shorten PE film is 2. 80000 tons, the production in 2. 70000 tons of unprinted shorten PE film ( Commonly known as white film or plain film work world) 。 The detailed composition is 2. 80000 tons of printing color film, accounting for 51%; Other: 6100 tons for glass bottle packaging, accounting for 11%; 8600 tons of used for wrapping paper, accounting for 15%; 8600 tons of packaging used for milk, accounting for 15%; 3700 tons of used in brick and tile building materials such as packaging, accounting for 6%.
since domestic beer after work to stop using strapping beer, shorten PE film packaging in the market with low cost attitude, use quantity increased year by year; Then followed the Coca-Cola in China shorten replace carton packaging film, PE work from beer to drink. With terminal market competition is becoming more and more intense, shorten PE film packaging produce low-cost advantage is more and more by the manufacturer. Beginning to shorten PE film is based on the situation of transport packaging in the mall, to the single sale after sale terminal demand after the break, but in recent years, following the acquisition method, assembly packaging trend of direct selling is more and more obvious, it needs to shorten the film for printing before into goods shelves display effect, to improve packaging manufacturers supply a PE shorten the excellent opportunity of the added value of the membrane.
the Chinese drinks beer work shorten PE membrane using quantity from 100000 to 150000 tons, about 50% of the carbonated drinks, 20% of hot canned beverages, 15% of bottled water and 5% ~ 8% of the beer market proportion. Work with drinks, beer, the rapid expansion and shorten the PE film market proportion of advance, measure in 2010 China's PE shorten membrane using amount exceeds 600000 tons, becoming the world's largest a PE heat shorten the film market. Print a shorten PE film about quantity in 2000 ~ 2500 tons, only accounts for some 2% of the shorten PE film market proportion, about 50% of the European market proportion is very long distance, the potential is boundless.
shorten PE film first is to use LDPE melt index is below 1 choose produce blown film technology of the single bubble method, through the formulation, blowing up ratio, die head space and cooling control horizontal shortening rate of PET film. Primary technical parameters of the PET film has reduced rate, physical and mechanical properties, friction coefficient and packing machine. Shortening rate and physical and mechanical properties such as tensile strength and other policy with the national standard, the friction coefficient of the primary impact of packaged goods stacking stability and applicability is shorten PE film packaging machine is the most important policy, the policy will directly affect the PET film on the packaging machine can apply and use the power of how, this policy first influenced by PET film formula, but more subject to the description of the packaging machine.
when the single bubble method of PE blown film machine in China has now arrived at or near the international first-class level, the author use domestic cold inside the bubble with membrane thickness of the three-tier co-extrusion blown film machine to produce error in plus or minus 5%, shorten the rate of negligence in the plus or minus 3% high transparent PET film roll, of course, usually about don't need to print heat reduce membrane using single-layer PE blown film machine can arrive in commodity demand. Experience from Europe and China were shorten in printing film production experience, because the PET film heat shorten the characteristics and the characteristics of the extension, PE heat shorten the printing requirements of PET film use satellite flexo printing machine for printing. While China was satellite flexo machine equipped with very lack, this will be restricted to print PE heat PET film on primary factors.
as a main ingredient of LDPE, China at that time, only a few manufacturers such as yanshan petrochemical produce, the vast majority of relying on import, offer no firm is very big. But in the long run, China LDPE demand is growing, but whether China is still the international new starts in 2008, formerly of polyethylene plant is LLDPE and HDPE plant, none of the LDPE new plant construction, virtually widened the LDPE supply, this is the most worrying thing.
when China is in equipment such as hardware, under the premise of market demand is growing, how to PET film, will be subject to the supply of LDPE.
green environmental protection PE shrinkable film
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