QL-Custom design and inject molded plastic parts by ABS, ABS metal, Nylon, PBT&PET, PC, LCP, PEEK and POM, these Plastic Engineering have good properties and molded as various parts apply to wide range of industries, electronics, air-crafts, nuclear, automotive and many devices. In accordance with customer demand, QL-Custom select appropriate, high quality, ageing resistant plastics base on customized mold finish samples to volume production.

 PEEK plastic

 

Polyether ether ketone (PEEK) resin is a special performance of engineering plastics, compared with other special engineering plastics has more significant advantages, resistance to high temperature 260degrees, excellent mechanical properties, good self-lubricating, chemical resistance , Flame retardant, peel resistance, wear resistance, intolerance to strong nitric acid, concentrated sulfuric acid, anti-radiation, superior mechanical properties, the molded parts or machined parts can be used for high-end machinery, nuclear engineering and aviation technology.

POM Plastic

 

POM (Delrin) has good physical, mechanical and chemical properties, especially with excellent abrasion resistance. Commonly known as steel, for the third largest general engineering plastics. POM injection molded products made after the production of wear-resistant parts, transmission gears, as well as chemical, instrumentation and other parts. POM has good strength, high rigidity, good elasticity.

  • With high mechanical strength and rigidity
  • The highest fatigue strength.
  • Environmental resistance, good resistance to organic solvents
  • POM can be dried before drying, preferably in the process of preheating (about 80 ℃), the stability of the product size is good
  • Resistant to repeated impact, good electrical properties, good recovery, with their own lubrication, good wear resistance, excellent dimensional stability.

 Nylon – PA6 PA66

The chemical and physical properties of PA6 are very similar to PA66, however, it has a lower melting point and a wide process temperature range. Its impact resistance and resistance Solubility is better than PA66, but the hygroscopicity is also stronger. Because many of the quality characteristics of plastic parts are subject to hygroscopic effects, so the use of PA6 design Product to take full account of this point. In order to improve the mechanical properties of PA6, often add a variety of modifiers. Glass fiber is the most common additives, sometimes in order to improve the impact resistance also added synthetic rubber, such as EPDM and SBR and so on.

Current Engineeing Plastics

 

  • ABS

ABS resin is one of the five synthetic resin, its impact resistance, heat resistance, low temperature resistance, chemical resistance and electrical performance, but also has easy processing, product size and stability, good surface gloss characteristics, easy to paint , And can be used for secondary processing of surface metallization, electroplating, welding, hot pressing and bonding. It is widely used in industrial fields such as machinery, automobile, electronic appliances, instrumentation, textile and construction, Wide thermoplastic engineering plastics.

  • LCP

LCP (PC plastic raw materials) molding temperature is high, because of its different varieties, melting temperature in the range of 300 ~ 425 ℃. LCP melt viscosity is low, good mobility, and olefin plastic approximation. LCP has a very small linear expansion coefficient, good dimensional stability. Molding processing conditions for reference: molding temperature of 300 ~ 390 ℃; mold temperature 100 ~ 260 ℃; molding pressure 7 ~ 100MPa, compression ratio of 2.5 to 4, molding shrinkage of 0.1 to 0.6.

  • PC

PC is almost colorless glassy amorphous polymer, has a good optical properties. PC products temperature 130degrees Celsius, PC / PA alloy to enhance the glass fiber can increase the value of 10C. Resin can be processed into large rigid products. PC is poor in hydrolysis resistance and can not be used to repeat products subject to high pressure steam. PC main performance defects are resistant to hydrolysis stability is not high enough, sensitive to the gap, resistance to organic chemicals, scratch resistance is poor, long-term exposure to ultraviolet rays will be yellow. Like other resins, the PC is susceptible to erosion by certain organic solvents. With flame retardant, wearable. Antioxidant properties.

  • PBT 

PBT injection must be in the 110 ~ 120 ℃ before the temperature of drying for 3 hours, molding processing temperature of 250 ~ 270 ℃, mold temperature control in the 50 ~ 75 ℃ is appropriate. If the material from the molten state of a cooling, it will immediately solidification of crystallization, PBT injection need to use a larger nozzle into the glue, should not use the hot runner system, mold exhaust to be good, it is appropriate to use “high speed, medium pressure, medium temperature” conditions of molding processing, fire or glass fiber PBT nozzle material should not be Recycling, the need to use PE or PP material in time to clean the material pipe, so as not to carbonization.

  • PET 

PET plastic molecular structure is highly symmetrical, with a certain degree of crystal orientation. PET plastic has good optical properties and weather ability, amorphous PET plastic has good optical transparency. In addition PET plastic has excellent wear resistance of friction and dimensional stability and electrical insulation. PET bottles made of strong, transparent, non-toxic, anti-penetration, light weight, high production efficiency and thus has been widely used.

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