Plastics

Thermoplastics

Thermoplastics are a class of polymers that can be softened by heating and then processed by extrusion, injection moulding, thermoforming and blow moulding.

Thermoplastics harden once cooled and do not show any chemical changes after repeated heating and cooling, making them easy to recycle.

Advantages of thermoplastics include:

  • Easy to recycle
  • A wide range of mechanical properties
  • Lighter weight compared to metals
  • Better surface aesthetics than thermosets
  • Good chemical resistance
  • Low processing energy consumption, etc.

Applications: medical appliances, domestic kitchen appliances, household appliances, chemical corrosion resistant parts, small and medium sized containers and equipment, films, plastic ropes, food containers.

PVB, TPU, TPEE, TPE, TPO, TPS, SBS, PVC, SEBS, EVA

Engineering
plastics

Engineering plastics are plastics that can be used as engineering materials and as substitutes for metals in the manufacture of machine parts, etc. Engineering plastics have excellent overall performance, high rigidity, low creep, high mechanical strength, good heat resistance, good electrical insulation, can be used in harsh chemical and physical environment for a long time, can replace metal as engineering structural materials.

The advantages of engineering plastics include.

Compared with general-purpose plastics, they have excellent heat and cold resistance, and have excellent mechanical properties in a wide range of temperatures, making them suitable for use as structural materials;

Good corrosion resistance, less affected by the environment, good durability;

Easy processing and high production efficiency compared to metallic materials, and simplifies procedures and saves costs;

Good dimensional stability and electrical insulation;

Light weight, high specific strength, and outstanding friction and wear resistance.

 

Application areas: Widely used in electrical and electronic, automotive, construction, office equipment, machinery, aerospace and other industries, plastic instead of steel, plastic instead of wood has become an international trend.

PC, PA, PPO, PBT, PPS, PEI, ABS, PES.

High performance plastics

High performance plastics are high performance polymer materials that can be used as structural materials to withstand mechanical stresses in a wide range of temperatures and higher maximum temperature environments, and in more demanding chemical and physical environments. Generally refers to the ability to withstand certain external forces, and has good mechanical properties and dimensional stability, in high and low temperatures can still maintain its excellent performance, can be used as engineering structural parts of the plastic.

Physical characteristics.

  • Excellent heat and cold resistance compared to general purpose plastics, excellent mechanical properties in a wide range of temperatures, suitable for use as structural materials.
  • Good corrosion resistance, less affected by the environment and good durability.
  • easy processing, high production efficiency and simplified procedures and cost savings compared to metallic materials.
  • good dimensional stability and electrical insulation.
  • light weight, high specific strength and outstanding friction and wear resistance.

Application areas: applications requiring wear resistance, abrasion or a low coefficient of friction, these engineering plastics have excellent properties when compounded with lubricants such as PTFE and graphite

Heat and vibration resistant applications in the glass and aerospace industries

Heat-resistant, radiation-proof, highly insulating or defined conductive materials for the semiconductor and electrical engineering industries

Sterilized and water-resistant solved components for medical equipment

Radiation-proof and radiation-resistant components for vacuum technology as well as for applications in X-ray technology and nuclear energy

Components for the chemical industry

PEEK, PAI, PI, PPS, PPSU, PSU, PES, PEI, PTFE, PVDF.

Recycled
plastics

Recycled plastics are plastics that are reused by a mechanical blade shredding operation to reuse the plastic. Recycled plastic is the reuse of plastic materials obtained through the processing of waste plastics by physical or chemical methods such as pre-treatment, melt granulation and modification.

Primary

means that the raw materials used are the edges that have not fallen to the ground, also known as the lower corners, also some are the water mouth material, rubber head material, etc., the quality

The quality of the raw materials used is relatively good, not used, in the process of processing new materials, the remaining small edges, or the quality of

The recycled plastic pellets are not of good quality. The recycled plastic pellets processed from these raw materials have a better transparency and the quality of the recycled plastic pellets can be compared with new materials, so they are called first grade recycled plastic pellets or special grade recycled plastic pellets.

Second grade

The raw materials have been used once, except for the high pressure recycled plastic pellets, which are mostly made from imported large parts.

Grade 3

This means that the raw materials have been used twice or more, and the processed recycled plastic pellets are not very elastic and tough, and can only be used for injection moulding. Grade 1 and 2 recycled plastic pellets can be used for film blowing and wire drawing. In terms of quality, they are divided into: wire drawing, film blowing, silk spraying, first grade, second grade and injection filling. Sometimes the same grade is re-graded.

 

PLA, PBAT, PHA, PHB, PCL, PBS