Beer Bottle Manufacturers

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Effect of injection molding and blow molding processes: You must ensure uniform thickness distribution of the bottle, get a good stretch, this may form explosive bottles is reduced.
CO2 content is too high: some have been filled soda bottle when the CO2 content, the inner pressure increases with increasing temperature, but PET bottles to withstand the limited capacity (about 10 ~ 20kg / cm2), if the bottle pressure too high, the bottom will accelerate bottle burst occurred in a polar medium effect, generally bottle suitable CO2 content of 4.0 to 4.3 times.
Chain lubricant effect: Because most soft drink production process using chain lubricant, and chain lubricant in contact with the PET bottle a long time, the impact of PET bottles is relatively large. It is therefore crucial chain lubricant selection, which must be dedicated PET bottle lubricant. If the pH is too high chain lubricant (strongly alkaline) or low (strongly acidic) on PET bottles are disadvantageous, preferably close to neutral (pH = 7). PET under basic hydrolysis reaction conditions are likely to occur. Glass and PET bottles for shared lines, since the glass lubricant (pH = 12) pH high, so before into PET bottles, the production line must be cleaned, clean drinking water should be used. When using PET chain lubricant, must strictly follow the concentration provided the use of concentration can not be too high, water thermos bottle machine should be changed frequently in order to maintain a low pH water thermos machine inside.
Dew point temperature: In the summer, air humidity, the higher the dew point temperature, so warm bottle machine speed is not too fast, thermos bottle machine temperature is set too low, thermos bottle outlet temperature above the dew point temperature of the product is easy to 2 ℃, but soda water temperature should not exceed 27 ℃ to avoid affecting the soda taste. If the temperature is below the dew point temperature soda, soda crates, more humid packaging, resulting in the role of chain lubricant in contact with the bottom a long time, prone to burst bottles phenomenon. Particularly the use of shrink film packaging, but also to pay attention to. Water on thermos bottle machine: Experience has shown that, when the high alkalinity of water thermos bottle machine, met consecutive wet summers, it may lead to a large number of PET bottles bottle burst. So we need to reduce the total alkalinity of water thermos bottle machine to 50mg / kg (CaCO3) or less. Soda stack height effects: soda stack height should not be too high, generally 5 boxes per pallet high, stacked two pallets.
Affect the storage environment: soda storage and transportation process not exposure. Soda storage environment should not be too high, generally require storage temperature is below 35 ℃, the product within the storage warehouse should be ventilated, should be kept dry inside the warehouse.

Glass Dropper Bottles

Plastic Spray Bottle Manufacturers, Plastic Bottle Cap Manufacturer, Sports water bottle
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In China and coastal areas south of the Yangtze annual average relative humidity of 85%, in some areas in the spring and summer may be as high relative humidity above 90%, in a high humidity environment, PET hygroscopic maximum saturation humidity.
The higher the moisture content, Ⅳ greater decline in the value of the PET. Take A04,104, it is worth noting that the water content of 0.01%, the intrinsic viscosity of 0.72 and a water content of 0.02% when the intrinsic viscosity becomes 0.63. At 180 ℃ drying time is reduced due 3 / 4h, decreased intrinsic viscosity 0.09.
The longer the drying time, the lower the PET raw material in the water, but can also cause excessive drying PET degradation. When heated to 180 ℃ when, for a maximum initial moisture content of 0.3% of the raw material, fell to 0.14 percent moisture; drying 4h available 0.004% moisture content, which is the upper limit of the preform to control moisture content. 5.2 PET bottle storage and transport
Since PET has performance easily absorb water, therefore preforms, bottles longer storage time will absorb moisture from the air more, so as to gradually reduce the original fine performance. High-temperature, high-humidity environment will directly affect the use of the bottle. Based on the foregoing, we recommend PET bottles in the spring and summer relative humidity ≥85%, ≥35 ℃ lower temperature conditions, the storage period should be controlled within one month; in the autumn and winter, relative humidity <85%, lower temperature <35 ℃ condition storage period should be controlled within three months, the length of the storage period should take account of local weather conditions.
5.3 How to reduce the loss of CO2 PET bottles
(1) CO2 loss pathway PET bottles
By bottle leakage: If the gap between the molecules filled PET CO2 molecule, CO2 molecules will leak out from the bottle, CO2 leakage rate and degree of orientation of biaxially oriented PET, bottle thickness, humidity and pressure.
PET material absorption of CO2: Because porous molecular structure of PET (less dense), making CO2 molecules to penetrate, resulting in absorption phenomenon.

Glass Milk Bottles Wholesale

Plastic Bottle Manufacturers, Plastic Bottle Cap Manufacturers, Sports water bottle

 Currently, PET production in the country's development is very fast, with an annual output capacity has reached number one billion, has become carbonated drinks, mineral water, edible oil and other primary containers. 2, the characteristics of raw materials and PET bottles PET 2.1 PET structure
PET belongs to the organic polymer compound is composed of carbon, hydrogen, oxygen three elements. Molecular structure such as
By:! H- [OCH2CH2-OOC - CO -OHPET generally consists of terephthalic acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (EG) direct esterification or transesterification reaction generating PET monomer, and then after the formation of the solid phase polycondensation of polyethylene terephthalate. Chemical reaction equation is as follows: HOOC - COOH + 2HOCH2CH2OH "catalyst base HO-CH2CH2-OOC - COO-CH2CH2OH + 2H2O 2.2 PET physical properties
PET way into the polymerization homopolymer and copolymer PET, use is divided into textile PET, bottle grade PET and sheet grade PET. The physical properties are shown in Table 1 bottle grade PET. Table 1 bottle grade PET physical performance characteristics of the No. Item Value Unit 1 Density 1.4 kg / cm3
2 average molecular weight of 25000 ~ 30000 3 IV value of 0.70 to 0.85
4 melting point of 250 ~ 260 ℃ 5 AA content ≤3 mg / Kg 6 Moisture ≤0.4%
7 particle shape cylindrical or parallelepiped
PET hygroscopic, require specific warehousing, before the drying process to be effective. Residues in the production of raw materials and injection molding process difficult to deal with the release of acetaldehyde make PET bottles. 2.3 Performance biaxially stretched PET bottle
(1) has a good light transmittance and gloss, light transmittance is greater than 85%; (2) has good mechanical properties and impact resistance; (3) good chemical resistance;
(4) at room temperature (20 ~ 30 ℃) has good dimensional stability; (5) light weight;
(6) of the gas have good barrier properties. Chemical properties of 2.4 PET

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Plastic Numbers Pet Bottle Manufacturers

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Do not need frequent replacement due to high temperatures caused by the aging of the hose.

4. As the hot filling is a high level or full bottle filling, the bottle is to be transported in an ordinary transport gas bottles and PET bottles different, with card bottle conveying technology, to avoid the traditional
Star wheel dial PET bottle to bottle and squeeze bottle material cause spillover phenomenon.

5. PET bottle cleaning and disinfection system

(1) Before the infeed screw equipped with a red bottle sterilizing apparatus, rinse with disinfectant bottle.
(2) washer rinse bottle wall, irrigation and disinfection with disinfectant or sterile water. (3) on the intake rinser star wheel and into the capping machine star wheel are provided with the bottle washing device, one of the threaded portion of the bottle sterilization, the second is the threaded portion of the bottle clean materials, substance over a period of time after the threaded portion of the bottle cap to avoid mildew affecting drinks
The amount.
6. The control valves are sanitary type pneumatic valves, pipes are made of high-quality polished stainless steel inside and outside 0Cr19Ni9 sanitary pipe, smooth inside and outside surface of the pipe roughness Ra≤0.8. Conduit pipe should be no dead ends, no "bag", set the necessary discharges or sampling port, minimizing material
Material remaining in the pipes and valves to facilitate CIP cleaning.

7. Secondary filling technology

When the PET bottle into the filling machine for the device, with the rise of the cam, PET bottle and filling valve gasket contacts, and open the top of the valve sleeve, while the cylinder valve opening action, outer lever to open the upper part of the rotary valve filling valve, start filling first; when the material arrives at the lower end of the valve casing,

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Plastic Food Containers

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PET debris generally preclude the use of centrifugal dewatering machine so debris moisture content to 2%, and then by a belt or tube dryer to a moisture content is reduced to 0.5%. German Krones company successfully developed high-quality PET plastic bottle recycling system, the processing capacity of up to 15,000 tons PET bottles, the PET raw material can be directly processed into other PET container production, production costs are significantly reduced.
PET plastic bottle recycling system to eliminate the use of chemical coating technology to burn alkali chemical coating removing agent to remove surface adhesion PET plastic bottles contaminants can achieve any kind of PET plastic bottles for recycling. After the technical processing of recycled products, not only the production of preforms can be mixed directly, at the same time, recycled products due to low levels of acetaldehyde and yellow pigment, but also to meet the requirements of purity and quality, especially for food and beverage industry products Packaging costs 20% -30% lower than the average of new materials.
Pet plastic bottle Characteristics
Polyethylene terephthalate is a thermoplastic polyester in the most important species, the English called Polythylene terephthalate referred to as PET or PETP (hereinafter otherwise known as PET), commonly known as polyester resin. It is terephthalic acid and ethylene glycol polycondensate, and together referred to as PBT thermoplastic polyester, or polyester. PET is a milky white or former yellow highly crystalline polymers, the surface smooth and shiny.
Creep resistance, fatigue resistance, abrasion and good dimensional stability, wear small, high hardness, the largest thermoplastic toughness; electrical insulation properties, little affected by temperature, but poor resistance to corona. Non-toxic, weather resistance and good resistance to chemical stability, low water absorption, resistance to weak acids and organic solvents.
PET bottle hot filling machine design

Plastic Bottle Company

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The latter process: The recovery process is the first component of the non-PET PET bottles separated, then crushed recycled. It is the first use of artificial means stone, wood and other plastic products and colored bottles separated. Separation PVC bottles used in artificial selection methods or PVC separation device. Separation of metallic iron can be isolated magnet separator. Beverage bottles through the conveyor into the cleaning machine, bottle vertically into the processing line, in addition to the ring by machine and capping machine in addition to the cap and pull ring removed and weighed to ensure that the cap has been removed, it detected more than the standard weight of a bottle it is separated from the line out. Then injected into each waste PET bottles 100ml boiling water, dissolve the residue drinks bottle, while the bottle was clamped suspended, bottle external high pressure water scrub with hot water to soften the adhesive so that the base off on their own, plastic or paper labels prolapse. After washing the bottom of the bottle after removal, release bottle of water. A process like the first break in the equipment can be, through continuous drier PET bottle flake dried to a moisture content of less than 0.05%. Extrusion granulation end] the same kind of recovery process.
These two recovery technology have factories use. The process is its own characteristics. The first recovery process easier to form large-scale production, but the separation technique is more complex, more separation equipment, large investment. The second method of high purity, using less equipment investment than the province, but only for a complete unbroken bottles, squashed or broken bottles need to separate out separately recovered by other methods. In fact plastic bottles from considerations of economic rationality transport, should be transported flattened after dressing. Second, cut out bottle recycling base essentially as the first approach, a second recovery method therefore more limited. Domestic recycled PET manufacturing colored pesticide, alternative glass to reduce product damage. Foreign manufacturing PET packaging recycling PET. Australia with PET recovered starting material as an intermediate layer three bottles, are widely used in the production of 3-17dtex recycled PET staple fibers.

Pet Bottles Scrap

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After cleaning, the first fan to blow PET can be blown clean paper, if there is a problem, it may be PET water is not dry or alkaline concentration is not fine.
2, how to remove metallized PET plastic bottle?
Removal method is: with a heated iron, the iron at the mouth of the bottle, the bottle is heated until the time, forced to push forward the bottle, then heated aluminized iron will remain in the top, the bottle no paste exist. Be careful not to overheat. Otherwise there will be a paste. Iron temperature above another job in reducing the residence time, the temperature is low, the more waiting to reach aluminized hand to promote the bottle off is appropriate.
Sixth, how to identify indicators of PET bottle flakes goods it?
The first is the use of different indicators led to different manufacturers requirements, index blowing factory requires a melting point of 250 degrees or more and a viscosity of 0.7 can not have a little impurity, indicators staple plant requirement is 250 degrees above the melting point of the viscosity of 0.6, it can be seen blowing factory requirement is quite high.
Usually if the requirements are very accurate, then it should be sent to specialized testing agencies, such as chemical plants to test, so the most accurate data at the scene to see the goods, but we can only rely on the words of a little simple instrument measurements.
1, the first smell it, taste is different from the ordinary PET plastic. Burned with a lighter look, and then will smell very fragrant and pleasant taste (just cook a bottle to smell), if the PET contains other ingredients, the taste is very pungent. Ingredients inside the bottle containing the SEBS kind of can not be used.
2, see burning up part or if too much black oil droplets quickly, most of the melting point is not normal, it is often in the PET film sheet.