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Applications of Polypropylene (PP)
Polypropylene (PP) is light‑weight, fold‑resistant, acid‑alkali resistant and heat‑tolerant. It has good toughness but becomes brittle at low temperatures. Food‑grade PP is available.
1. Food packaging & catering
Food‑storage containers, microwave‑safe lunch boxes, water cups, lids for milk‑tea cups, disposable take‑away boxes, woven food sacks and snack packaging films.
PP is one of the few plastics suitable for microwave heating.
2. Daily‑use articles
Basins, water buckets, storage boxes, clothes hangers, plastic chairs, cabinets, toothbrush handles and combs.
3. Textile fibres (polypropylene fibre)
Non‑woven fabrics (mask inner layers, disposable bed sheets, non‑woven shopping bags), carpets, geotextiles, ropes and webbing.
4. Automobile industry (modified PP)
Bumpers, interior door panels, instrument‑panel housings and fan shells.
5. Pipes and chemical industry
PP‑R hot‑water pipes for home decoration, corrosion‑resistant chemical storage tanks and conveying pipe fittings.
6. Medical field
Housings for disposable syringes and parts of infusion sets.

Applications of Polycarbonate (PC)
Polycarbonate (PC) features high transparency and excellent impact resistance with good rigidity. It has moderate heat resistance. Its disadvantages include poor alkali resistance and easy surface scratching. Ordinary PC may release bisphenol‑A under high temperature.
1. Optics & electronic products
Eyeglass lenses, mobile phone shells, laptop casings, display protective covers.
2. Safety protection
Interlayers for bullet‑proof glass, safety helmet visors, protective face shields, explosion‑proof lamp housings.
3. Containers & water bottles
Space cups, large‑capacity sports water bottles.
⚠️ Note: Ordinary PC bottles are not suitable for microwave heating due to the risk of bisphenol‑A release.
4. Automobile industry
Automobile lamp covers, window components, transparent instrument‑panel covers.
5. Construction industry
Daylighting roofs, polycarbonate hollow sheets, transparent protective partitions.
6. Medical devices
Barrels for medical syringes, parts for dialysis equipment (modified medical‑grade PC).
Tip
PC is much more transparent than PP but easily scratched. PP can be used in microwave ovens while PC generally cannot.

Polyolefin Elastomer (POE) possesses excellent elasticity, low‑temperature toughness, as well as good weathering and ageing resistance. It has favourable compatibility with polyolefins. POE is rarely used for manufacturing products alone and is mainly applied as a polymer modifier.
• Plastic toughening modification: Blended with polypropylene (PP) to improve its low‑temperature impact resistance. The modified material is used for car bumpers, car door panels and household‑appliance housings.
• Photovoltaic industry: It is made into encapsulation films to protect solar battery cells.
• Wires and cables: Used for cable insulation layers and sheaths due to its good flex resistance and ageing resistance.
• Footwear products: Applied in sports‑shoe midsoles for shock absorption and rebound performance.
• Film industry: Modify packaging films so as to enhance their tear resistance.
• Others: Modified masterbatches, flexible hoses and other products.

Applications of ABS (Acrylonitrile‑Butadiene‑Styrene Copolymer)
ABS combines rigidity, toughness and hardness. It is easy for injection moulding and its surface can be easily painted or electroplated. However, it is vulnerable to organic solvents and has average weather resistance.
‑ Home‑appliance housings: casings for TV sets, washing machines, air conditioners and computer cases
‑ Automotive parts: automotive interior panels, instrument housings, steering‑wheel components
‑ Electronic digital products: keyboards, mice, charger shells
‑ Daily‑use goods: luggage shells, toys, office‑equipment housings
‑ Others: electroplatable plastic parts