I. General-purpose Plastics (accounting for approximately 80% of the production volume)
PE (Polyethylene)
LDPE (Low-density Polyethylene): Packaging films, plastic bags, thin films, adhesive bags, wire insulation layers
HDPE (High-density Polyethylene): Bottles, cans, pipes, containers, tubes, toys
LLDPE (Linear Low-density Polyethylene): Stretch films, thin films, packaging materials
UHMWPE (Ultra-high Molecular Weight Polyethylene): Bulletproof materials, artificial joints
PP (Polypropylene)
Homopolymer PP: Food containers, tableware, fibers
Copolymer PP: Automobile parts
PP-R (Random Copolymer Polypropylene): Cold and hot water pipes
PVC (Polyvinyl Chloride)
Rigid PVC: Profiles, pipes, doors and windows
Flexible PVC: Cable sheaths, wires, artificial leather
PS (Polystyrene)
GPPS (General-purpose Polystyrene): Daily necessities, toys
HIPS (High Impact Polystyrene): Electrical appliance casings
EPS (Expanded Polystyrene): Thermal insulation materials
PET (Polyethylene Terephthalate): Beverage bottles, fibers, films
II. Engineering Plastics (for high-performance applications)
Five Major Engineering Plastics
PA (Polyamide / Nylon): PA6, PA66, PA11, PA12: Nylon products, gears, bearings, fibers
PC (Polycarbonate): Bulletproof glass, electronic components, optical discs, aerospace parts
POM (Polyoxymethylene / Acetal): Precision gears, bearings, precision mechanical parts
PBT (Polybutylene Terephthalate): Electronic connectors, automobile parts
PPO/PPE (Polyphenylene Oxide): High-temperature components, electrical insulation materials
Special Engineering Plastics
PEEK (Polyetheretherketone): Aerospace parts, medical implants
PPS (Polyphenylene Sulfide): Corrosion-resistant pump bodies
PI (Polyimide): Flexible circuit boards, high-temperature bearings, aerospace components
LCP (Liquid Crystal Polymer): Micro electronic components, electronic components, precision gears
PSU (Polysulfone): Medical devices, medical equipment, components in high-temperature environments
PES (Polyethersulfone): Medical equipment, components in high-temperature environments, dialysis membrane materials
III. Thermosetting Plastics (cannot be reprocessed)
EP (Epoxy Resin): Composite materials, adhesives
PF (Phenolic Resin / Bakelite): Electrical insulation parts, adhesives
UP (Unsaturated Polyester): Fiberglass reinforced plastics, handicrafts
PU (Polyurethane): Foams, elastomers
MF (Melamine Formaldehyde Resin): Tableware
IV. Biobased / Degradable Plastics
PLA (Polylactic Acid): 3D printing materials, degradable packaging materials
PHA (Polyhydroxyalkanoate): Medical sutures, biobased plastics
Starch-based Plastics: Disposable tableware
PBS (Polybutylene Succinate): Agricultural mulch films
PCL (Polycaprolactone): Drug sustained-release carriers
V. Functionally Modified Plastics
Conductive Plastics: Added with carbon fibers / metal powders
Flame-retardant Plastics: Added with brominated / phosphorus-based flame retardants
Reinforced Plastics: Reinforced with glass fibers / carbon fibers
Optical-grade Plastics: PMMA (Polymethyl Methacrylate / Acrylic), COC
Abrasion-resistant Plastics: Modified with PTFE (Polytetrafluoroethylene / Teflon)
VI. Special Synthetic Resins
Fluoroplastic Family
PTFE (Polytetrafluoroethylene / Teflon): Non-stick coatings, corrosion-resistant components, non-stick pan coatings
PVDF (Polyvinylidene Fluoride): Lithium battery separators
FEP: Wire insulation layers, chemical equipment
ETFE: Wire insulation layers, chemical equipment
SI (Silicone Resin): High-temperature sealing materials
PAR (Polyarylate): Optical lenses
PES (Polyethersulfone): Dialysis membrane materials
PNB (Polynorbornene): High-frequency circuit boards
VII. Plastic Alloys (blended systems)
PC/ABS: Electronic device casings
PP/EPDM: Automobile bumpers
PA/PPO: Oil-resistant components
PBT/PET: Textile machinery parts
PVC/ABS: Building material profiles
VIII. Emerging Polymer Materials
Self-healing Plastics: Microcapsule technology
Shape-memory Plastics: Smart textiles
Nanocomposite Plastics: High-barrier packaging
Graphene-reinforced Plastics: Superconducting materials
3D Printing Special Materials: Photosensitive resins
