Polycarbonate Injection Molding
Polycarbonate injection molded products have the characteristics of high impact strength, strong temperature adaptability, high transparency, and easy dyeing. At the same time, they have good electrical properties and are odorless, making them ideal raw materials for environmentally friendly products.
Injection Molding Services: Selection of Top 5 Plastic Raw Materials
Injection Molding Services: Selection of Top 5 Plastic Raw Materials
Injection molding manufacturers and mold companies not only provide plastic injection molding services but also provide plastic raw material selection and processing services for manufacturers. Plastics are widely used in various scenarios, with a variety of types and different characteristics. Therefore, before selecting plastic raw materials, it is necessary to first consider the precision requirements and usage environment of the products to be molded. Therefore, manufacturers have summarized the characteristics and application areas of ABS, polypropylene, PC, PVC, and polyurethane injection molding, as follows:
Polycarbonate (PC)
-Features and Advantages:
- It has good elasticity, strong impact resistance, and good adaptability to extreme weather. It can provide polycarbonate injection molding services in any climate.
- It has high transparency, strong dyeing ability, and can produce more colored products.
- The product has a long service life.
- The insulation performance is good.
- The shrinkage rate of the product is very low, which can maintain high precision and provide more accurate plastic injection molding services.
-Defects:
- Plastic melt has high viscosity and poor fluidity, making it more difficult to provide injection molding services;
- Not resistant to media such as chlorinated hydrocarbons, alkalis, amines, ketones, etc., easily soluble in chlorinated hydrocarbon solvents such as dichloromethane and dichloroethane.
-Application:
- Mechanical Industry: used to manufacture various precision parts such as bearings, camshafts, gears, racks, worms, worm gears, crankshafts, ratchets, bolts, levers, etc.
- Lighting Industry: can be used to manufacture protective glass, large lampshades, optical instrument lenses, etc.
- Medical Equipment : It can be used to make various plastic containers for medical purposes, as well as dental and surgical instruments, and can even be used for the production of artificial organs such as artificial kidneys and lungs.
- Electronic And Electrica : can be used to manufacture insulated sockets, connectors, insulated sleeves, coil frames, fixed telephone casings, and parts, as well as battery casings for mining lamps.
- Other Industries: In the textile industry, textile tubes can be made; In the daily necessities industry, they can be used to make milk bottles, tableware, etc; In the field of architecture, plastic injection molding services can be provided for hollow reinforced double wall panels.
Polypropylene (PP)
-Features and Advantages:
- It has good elasticity, and strong shaping ability, and can better provide plastic injection molding services.
- It has good heat resistance and can even operate continuously in a high-temperature environment of 120 degrees Celsius.
- It is non-toxic and harmless to the human body, does not release toxic gases during combustion, can be recycled and used, and has good environmental performance.
- Excellent physical properties, strong tensile and crack resistance.
- Good electrical insulation performance, low water absorption, and no need for drying treatment before providing plastic injection molding services.
- With low density and lightweight, it is one of the lightest varieties of plastics.
- Can manufacture products with high transparency.
- It has good insulation performance and can be used to make insulation materials.
-Defects:
- Easy to burn.
- Polypropylene products have weak cold resistance and cannot resist low-temperature impacts well.
- Poor toughness, easy to generate static electricity, difficult to dye and adhere.
- Poor coloring level is not conducive to the production and manufacturing of colored products.
- Polypropylene products are prone to aging and becoming brittle, as well as yellowing, which affects their aesthetics, and cannot provide good plastic injection molding services.
-Application:
- Food Industry: water cups, storage boxes, disposable tableware, mineral water bottles, etc.
- Automotive Industry: car fenders, front and rear bumpers, instrument panels, front covers, etc.
- Medical Industry: medical masks, medical catheters, infusion containers, hydrophilic microporous membranes, artificial lungs, surgical sutures, etc.
- Other Industries: Noncritical components in household appliances, daily necessities such as face plates, brushes, shower gel bottles, etc.
Polyvinyl chloride (PVC)
-Features And Advantages:
- PVC material has excellent wear resistance, which can prolong the service life of its products and provide long-term services in some harsh environments.
- PVC material has strong electrical insulation performance, which enables it to provide good plastic injection molding services in the electronic and electrical industry.
- PVC material has excellent chemical stability, can resist strong acid and alkali erosion, and can serve the chemical and medical fields well.
- The manufacturing of PVC is relatively convenient, and the sources of materials are extremely wide. For this reason, manufacturers often choose PVC for plastic injection molding services. It can be said that PVC materials better meet the needs of the public.
- PVC material has excellent mechanical and physical properties, strong resistance to tension and impact, and the possibility of bending deformation in injection molded products is also relatively low.
-Defects:
- The crystal structure of PVC is relatively complex, which greatly increases the difficulty of plastic injection molding services. When the manufacturer processes, a certain proportion of additives should be added to increase production time.
- PVC materials have poor environmental friendliness, and during the production process, harmful substances such as dioxins and vinyl chloride monomers are produced, seriously endangering the health of production personnel.
- PVC material has poor weather resistance. Under long-term sunlight exposure, PVC is prone to aging and becoming brittle, and it is also prone to discoloration, which affects its appearance.
- PVC has poor heat resistance and is prone to becoming unstable and decomposing at high temperatures, releasing harmful substances. So try to avoid using PVC materials for plastic injection molding services at high temperatures.
-Application:
Polyvinyl chloride is widely used in building materials such as corrugated boards, door and window structures, and wall decorations; Due to its excellent electrical insulation performance, it is often used in the electrical and electronic industries to manufacture plugs, sockets, switches, and cables; Good chemical stability also makes it used in the production of anti-corrosion pipelines, fittings, oil pipelines, centrifugal pumps, and blowers; In daily life, PVC material is used to manufacture sandals, raincoats, toys, and synthetic leather.
ABS
-Features and Advantages:
- One of the main advantages of ABS plastic is its high impact resistance. Even under enormous pressure, ABS plastic can absorb the impact force without breaking or breaking, continuing to provide plastic injection molding services. The element in ABS that makes plastics tough is called butadiene.
- ABS plastic is very durable and has a very long service life. Can be used for a long time in high-wear environments. ABS plastic can still exist well in chemical environments.
- ABS plastic has high flexibility and versatility, making it easy to produce products of any shape and size, including complex plastic parts. From daily necessities to the automotive or medical industries, it can be used to provide injection molding services.
- The thermal stability of ABS plastic is also very significant, which can maintain its structure and performance over a wide temperature range. Its cold and heat resistance make it a reliable material suitable for applications under different temperature conditions.
- Another notable characteristic of ABS plastic is its resistance to many chemicals. Including various strong acids, bases, salts, and even some industrial oils. The tolerance of this chemical reagent enables ABS to provide plastic injection molding services well in corrosive environments.
-Defects:
- Although ABS materials are not affected by water, inorganic salts, and strong acids and bases, they are soluble in ketones, aldehydes, and chlorinated hydrocarbons, and may undergo stress cracking due to erosion by glacial acetic acid, vegetable oil, and other substances.
- ABS may degrade under strong light irradiation, so when using ABS materials for injection molding services, it is important to avoid exposure to strong ultraviolet rays as much as possible.
- If ABS products are exposed to outdoor environments for a long time, it will lead to a decrease in their impact resistance performance.
-Application:
- Medical Device : Due to the excellent chemical resistance of ABS plastic, it is used in the manufacturing of medical equipment casings, surgical instruments, etc.
- Daily Necessities Industry: Used for making cameras, telephones, office supplies, etc.
- Home Appliance Industry: ABS is often used to manufacture washing machine panels, TV casings, refrigerator door panels, etc.
- Automotive : ABS plastic is used in the automotive industry to manufacture car lights, instrument panels, body casings, and more.
- Sports Equipment Industry: ABS plastic can be used to manufacture sports equipment, such as helmets and various protective gear.
- Construction Industry: ABS plastic is commonly used in the construction industry to make products such as door and window frames, drainage pipes, etc.
- Electronic Equipment : such as computer casings, keyboards, printer casings, etc.
Polyethylene (PE)
-Features and Advantages:
- PE material is suitable for the manufacturing of lightweight products, while also having high strength and wear resistance. Manufacturers often use this material to make various parts and components for different purposes.
- PE material can be recycled and reused, which is very beneficial for environmental protection.
- PE material has excellent corrosion resistance and can resist the erosion of chemical substances well. Therefore, when manufacturers choose the manufacturing material for chemical equipment, they often prioritize PE.
- PE material has good waterproof performance and a strong barrier effect on water vapor, liquid water, moisture, etc. It can provide injection molding services for waterproof products.
-Defects:
- When PE materials are burned, harmful gases are released, posing a serious threat to the environment and human health.
- PE material injection molded products will age over time and with changes in environmental conditions, reducing their service life.
- PE material has poor heat resistance and is prone to deformation in high-temperature environments for a long time, making it unable to provide injection molding services in certain specific fields.
-Application:
- Pipeline System: PE is applied to various pipelines such as gas pipes, water pipes, and drainage pipes.
- Packaging Materials: such as plastic bags, fresh-keeping films, foam boxes, etc. used in daily life.
- Power Cable: Used for manufacturing insulation layer, sheath layer, etc. of power cables.
- Plastic Products: such as barrels, boxes, baskets, ladders, etc.
- Electronic Products: Used for manufacturing shells, components, etc. of electronic products.
- Agricultural Field: such as agricultural film, agricultural pipelines, agricultural film coverage, etc.
- Automotive Industry: such as automotive interiors, tires, fuel pipelines, etc.
Before manufacturers provide plastic injection molding services, the first thing to determine is the selection of plastic materials, which determines the application environment and service life of subsequent products.
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