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Several ways of plastic processing
by：CSSSLD
2021-02-03
Wen injection tooling/VIP
the world's common thermoplastics production make up almost 80% of the total plastic production, domestic, is no exception. These plastic machining are physical techniques, such as extrusion, injection, rolling and so on, also is plastic - by heat Melt cooling process and products. Over the past 20 years, processing technology develops very fast, but the tone changed little, but has been developed from one-way type to portfolio development, for example - La - Blow and injection - La - Blowing, extrusion - Hot forming, extrusion - Compound, from the general to the specific conditions of forming technology, such as high pressure, high temperature and high vacuum, plasma spraying, etc.
about extrusion, plastic injection, molding, blow molding, plastic, cast, with plastic and so on the many kinds of molding process, selected according to different concrete materials and products, and it's hard to say.
the following I said with PE plastic processing method is simple, the PE can be produced wide different processing method. With ethylene as the main raw material, propylene, 1 - Butene, hexylene copolymer, under the action of catalyst, using slurry polymerization or gas phase polymerization process, the resulting polymer through flash, separation, drying, granulation process, such as to obtain uniform particles of finished products. Such as sheet extrusion, film extrusion, pipe or profile extrusion, blow molding, injection molding and plastic.
bring extruded: used for extrusion production grades generally have less than 1 in the melt index and wide to the MWDS wide. In the process of machining, low MI can obtain appropriate melt strength. Wider MWDS grades are more suitable for extrusion, because they have a higher production speed, lower die pressure and melt fracture trend to decrease.
extruded PE has many USES, such as wire, cable, hose, pipe and profile. Gas pipe applications range from small section yellow tube to 48 in diameter thick wall used for industrial and urban pipeline clarinet. Large diameter hollow wall work for rainwater drainage pipe made of concrete and the rapid growth in other substitutes sewer pipes.
plank and thermoforming: many large type picnic cooler thermoforming lining is made of PE, resilient, light weight and durability. Other sheet and thermoforming products include fenders, tank linings, disc basin cover, transport tank and tank. A large number of fast-growing mulch or bottom sheet application of the village, which is based on the MDPE resilient, chemical resistance and impermeability.
bring blow molding, sold in the United States HDPE1/3 above for blow molding application. These range from bleach, milk, oil, detergent and distilled water bottles to large refrigerator, car fuel tank and tank. Blow molding grade characteristic parameters, such as melt strength, ES - CR and toughness, and used for sheet and thermoforming application level similar to that of similar grades can use.
- injections Blow molding is usually used in the manufacture of smaller containers ( Less than 16 oz) For packaging drugs, shampoo and cosmetics. One advantage of this process is the production automatic bottle to edges, need not be late dressing like general blow molding processing steps. Although there are some narrow MWDS grade is used to improve the surface finish, in general use to wide wide MWDS grades.
bring injection: HDPE there are innumerable applications, ranging from reusable thin-wall drink cup to 5 - the GSL cans, 1/5 of the consumption of domestic production of HDPE. Injection grade general melt index of 5 ~ 10, has toughness lower grades and liquidity has machinability of higher liquidity level. USES include daily necessities and food thin-wall packaging; Resilient and durable of food and paint; High environmental stress cracking applications, such as small engines fuel tanks and 90 - gal garbage cans.
bring rotomolding: adopt the processing method of material generally is crushed into a powder material, make it melt in the heat cycle and flow. Commonly used in the two classes: PE rotomolding and crosslinking class. 945 g/CC, with narrow MWDS, make the product has a high impact and minimum warp, the melt index range is commonly 3 & ndash; 8. MI higher grades are usually not applicable, plastic products because they have no hope of impact and resistance to environmental stress cracking.
plastic application system USES the high performance chemical crosslinking can be unique performance grade. These grades in the first paragraph of the molding cycle, good liquidity, and then cross-linked to form its outstanding environmental stress cracking resistance and toughness. Abrasion resistance and weatherability. Can be crosslinked PE only applies to large vessels, ranging from 500 - gal transport all kinds of chemical storage tanks to 20000 - gal storage tank farm.
bring blown film, PE film processing generally using ordinary blown film processing or flat extrusion method. Most PE for film, general low density PE ( LDPE） Or linear low density PE ( LLDPE） Are all available. HDPE film grade is commonly used in demand superior stretchability and excellent anti-seepage. HDPE membrane, for example, are often used to produce bags, grocery bags and food packaging.
plastic product quality and material selection and processing methods of different and have a great relationship. For any of the plastic product, its steps first decide what kind of material can meet the required physical properties, again to choose the most appropriate and the most economic way of processing, the final will be decided depending on the amount of output devices.
more wonderful sharing: plastic what kind of injection molding processing enterprises need talent, just click.
or copy the link: http://www. csssld。 cn//html/2015/Notice_1121/68。 HTML
nantong on plastic products factory's official website: http://www. csssld。 Cn / /
source network trimmer/injection molding processing and VIP
the world's common thermoplastics production make up almost 80% of the total plastic production, domestic, is no exception. These plastic machining are physical techniques, such as extrusion, injection, rolling and so on, also is plastic - by heat Melt cooling process and products. Over the past 20 years, processing technology develops very fast, but the tone changed little, but has been developed from one-way type to portfolio development, for example - La - Blow and injection - La - Blowing, extrusion - Hot forming, extrusion - Compound, from the general to the specific conditions of forming technology, such as high pressure, high temperature and high vacuum, plasma spraying, etc.
about extrusion, plastic injection, molding, blow molding, plastic, cast, with plastic and so on the many kinds of molding process, selected according to different concrete materials and products, and it's hard to say.
the following I said with PE plastic processing method is simple, the PE can be produced wide different processing method. With ethylene as the main raw material, propylene, 1 - Butene, hexylene copolymer, under the action of catalyst, using slurry polymerization or gas phase polymerization process, the resulting polymer through flash, separation, drying, granulation process, such as to obtain uniform particles of finished products. Such as sheet extrusion, film extrusion, pipe or profile extrusion, blow molding, injection molding and plastic.
bring extruded: used for extrusion production grades generally have less than 1 in the melt index and wide to the MWDS wide. In the process of machining, low MI can obtain appropriate melt strength. Wider MWDS grades are more suitable for extrusion, because they have a higher production speed, lower die pressure and melt fracture trend to decrease.
extruded PE has many USES, such as wire, cable, hose, pipe and profile. Gas pipe applications range from small section yellow tube to 48 in diameter thick wall used for industrial and urban pipeline clarinet. Large diameter hollow wall work for rainwater drainage pipe made of concrete and the rapid growth in other substitutes sewer pipes.
plank and thermoforming: many large type picnic cooler thermoforming lining is made of PE, resilient, light weight and durability. Other sheet and thermoforming products include fenders, tank linings, disc basin cover, transport tank and tank. A large number of fast-growing mulch or bottom sheet application of the village, which is based on the MDPE resilient, chemical resistance and impermeability.
bring blow molding, sold in the United States HDPE1/3 above for blow molding application. These range from bleach, milk, oil, detergent and distilled water bottles to large refrigerator, car fuel tank and tank. Blow molding grade characteristic parameters, such as melt strength, ES - CR and toughness, and used for sheet and thermoforming application level similar to that of similar grades can use.
- injections Blow molding is usually used in the manufacture of smaller containers ( Less than 16 oz) For packaging drugs, shampoo and cosmetics. One advantage of this process is the production automatic bottle to edges, need not be late dressing like general blow molding processing steps. Although there are some narrow MWDS grade is used to improve the surface finish, in general use to wide wide MWDS grades.
bring injection: HDPE there are innumerable applications, ranging from reusable thin-wall drink cup to 5 - the GSL cans, 1/5 of the consumption of domestic production of HDPE. Injection grade general melt index of 5 ~ 10, has toughness lower grades and liquidity has machinability of higher liquidity level. USES include daily necessities and food thin-wall packaging; Resilient and durable of food and paint; High environmental stress cracking applications, such as small engines fuel tanks and 90 - gal garbage cans.
bring rotomolding: adopt the processing method of material generally is crushed into a powder material, make it melt in the heat cycle and flow. Commonly used in the two classes: PE rotomolding and crosslinking class. 945 g/CC, with narrow MWDS, make the product has a high impact and minimum warp, the melt index range is commonly 3 & ndash; 8. MI higher grades are usually not applicable, plastic products because they have no hope of impact and resistance to environmental stress cracking.
plastic application system USES the high performance chemical crosslinking can be unique performance grade. These grades in the first paragraph of the molding cycle, good liquidity, and then cross-linked to form its outstanding environmental stress cracking resistance and toughness. Abrasion resistance and weatherability. Can be crosslinked PE only applies to large vessels, ranging from 500 - gal transport all kinds of chemical storage tanks to 20000 - gal storage tank farm.
bring blown film, PE film processing generally using ordinary blown film processing or flat extrusion method. Most PE for film, general low density PE ( LDPE） Or linear low density PE ( LLDPE） Are all available. HDPE film grade is commonly used in demand superior stretchability and excellent anti-seepage. HDPE membrane, for example, are often used to produce bags, grocery bags and food packaging.
plastic product quality and material selection and processing methods of different and have a great relationship. For any of the plastic product, its steps first decide what kind of material can meet the required physical properties, again to choose the most appropriate and the most economic way of processing, the final will be decided depending on the amount of output devices.
more wonderful sharing: plastic what kind of injection molding processing enterprises need talent, just click.
or copy the link: http://www. csssld。 cn//html/2015/Notice_1121/68。 HTML
nantong on plastic products factory's official website: http://www. csssld。 Cn / /
source network trimmer/injection molding processing and VIP
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