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Economic applicability of plastic materials
by：CSSSLD
2021-01-23
The mechanical properties of the injection molding products processing requirements to consider from three aspects: one is the size of the force, can be divided into low and medium load and high load;
The second is the type of stress, such as tensile, compression, impact, shear;
3 it is to force performance, including fixed load and intermittent load.
Different products because of stress, the mechanical properties of plastic material requirements are also different.
The first consideration in the selection of bearing types and properties of plastic products, combined with the environment, finally select suitable varieties of plastics.
the raw material price fluctuates according to transportation cost and market demand is bigger, plastic raw materials price is in commonly 8000 to tens of thousands of yuan per ton, some special engineering plastics can be up to a dozen or even hundreds of thousands of yuan. In production on the premise of meet products performance, should try to selection of raw materials, low prices for some products of the high performance requirements can be modified to make things up. The same kind of plastic, between varieties of different specifications and grades of performance and price also has a bigger difference.
the selection of plastic material is the main factor two aspects of products using performance and using the environment, different USES for plastic products with different properties. The performance of the plastic products often include mechanical properties, thermal stability, dimension stability, resistance to chemical corrosion, optical properties, gas barrier property, electrical insulation, and many other aspects. In the actual production to synthetic factors, and by trial and error to get the right material.
the processing cost is an important part of the product cost, should as far as possible to complete at the low processing cost. Machining cost including equipment costs, energy consumption and waste scrap, etc. Should choose as far as possible the existing equipment in the production. At the same time, the plastic processing methods, processing equipment price is different, from the point of reduced investment, should select the following methods: vacuum blister, pressure molding, hollow blow molding, extrusion molding, injection molding, calendering forming.
processing mainly refers to the forming of energy consumption for heating and power in the electricity consumption. Need to dry before general engineering plastic molding processing, molding products easy to residual internal stress and require post-processing, after corresponding energy consumption will increase. General plastic less need to dry processing and reprocessing, the corresponding energy consumption is low. In addition, varieties of plastics processing temperature is higher, such as PC, PSU, PPO, such as processing also increases energy consumption.
the economic applicability is plastic material selection is an important factor, if the selection of plastics materials can meet the requirements in both properties and processing, high cost and difficult to put into production, much less into the market, only cheap and fine products with market competitiveness. Plastic products mainly include the cost of raw material prices, processing fees, service life and maintenance cost. Products cost of raw materials accounts for the largest percentage of price, about 60% of injection molding products - 70% - 70%, extrusion products 80%.
for a one-time use of plastic products, extend the service life of means lower prices. Like ordinary greenhouses use one season, long-lived greenhouse film can use two seasons, although the latter price is one of the former. Five times, but in the whole life period using the long-lived greenhouse film price is decreased by 25%. Suitable plastic raw materials, plastic for stabilizing treatment can prolong the service life of products, but price of injection molding processing products tend to increase.
more excellent articles: melamine - Formaldehyde resin and plastics, click directly.
http://www。 csssld。 cn//html/2017/Info_1111/715。 HTML
changshu smoothly da plastic products factory website: http://www. csssld。 Cn /
more wonderful articles, immediately search: changshu da plastic products factory smoothly
the raw material price fluctuates according to transportation cost and market demand is bigger, plastic raw materials price is in commonly 8000 to tens of thousands of yuan per ton, some special engineering plastics can be up to a dozen or even hundreds of thousands of yuan. In production on the premise of meet products performance, should try to selection of raw materials, low prices for some products of the high performance requirements can be modified to make things up. The same kind of plastic, between varieties of different specifications and grades of performance and price also has a bigger difference.
the selection of plastic material is the main factor two aspects of products using performance and using the environment, different USES for plastic products with different properties. The performance of the plastic products often include mechanical properties, thermal stability, dimension stability, resistance to chemical corrosion, optical properties, gas barrier property, electrical insulation, and many other aspects. In the actual production to synthetic factors, and by trial and error to get the right material.
the processing cost is an important part of the product cost, should as far as possible to complete at the low processing cost. Machining cost including equipment costs, energy consumption and waste scrap, etc. Should choose as far as possible the existing equipment in the production. At the same time, the plastic processing methods, processing equipment price is different, from the point of reduced investment, should select the following methods: vacuum blister, pressure molding, hollow blow molding, extrusion molding, injection molding, calendering forming.
processing mainly refers to the forming of energy consumption for heating and power in the electricity consumption. Need to dry before general engineering plastic molding processing, molding products easy to residual internal stress and require post-processing, after corresponding energy consumption will increase. General plastic less need to dry processing and reprocessing, the corresponding energy consumption is low. In addition, varieties of plastics processing temperature is higher, such as PC, PSU, PPO, such as processing also increases energy consumption.
the economic applicability is plastic material selection is an important factor, if the selection of plastics materials can meet the requirements in both properties and processing, high cost and difficult to put into production, much less into the market, only cheap and fine products with market competitiveness. Plastic products mainly include the cost of raw material prices, processing fees, service life and maintenance cost. Products cost of raw materials accounts for the largest percentage of price, about 60% of injection molding products - 70% - 70%, extrusion products 80%.
for a one-time use of plastic products, extend the service life of means lower prices. Like ordinary greenhouses use one season, long-lived greenhouse film can use two seasons, although the latter price is one of the former. Five times, but in the whole life period using the long-lived greenhouse film price is decreased by 25%. Suitable plastic raw materials, plastic for stabilizing treatment can prolong the service life of products, but price of injection molding processing products tend to increase.
more excellent articles: melamine - Formaldehyde resin and plastics, click directly.
http://www。 csssld。 cn//html/2017/Info_1111/715。 HTML
changshu smoothly da plastic products factory website: http://www. csssld。 Cn /
more wonderful articles, immediately search: changshu da plastic products factory smoothly
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