Daido creates the next stage beyond what the customer “wants”
| JIS abbreviation | Resin | Operating temperature limit (ºC) | Features | Typical applications | ||
|---|---|---|---|---|---|---|
| Thermosetting resin | PE | Polyethylene | Low-density polyethylene (LDPE) | 70 - 90 | Lighter than water (Specific gravity < 0.94). Excellent electrical insulation, water-resistance, chemical resistance and environmental adaptability. Poor resistance to heat. Mechanically strong but flexible material that does not become brittle even at low temperatures. | Packaging material (plastic bags, wrapping films and food product tubes), agricultural films and wire coating |
| High-density polyethylene (HDPE) | 90 - 110 | Lighter than water and slightly heavier than LDPE (Specific gravity > 0.94). Excellent electrical insulation, water-resistance and chemical resistance. Higher heat resistance and rigidity than LDPE. Whitish, opaque material. | Packaging material (films, plastic bags and food packages), shampoo and conditioner containers, buckets, gasoline containers, kerosene containers, cargo containers and pipes | |||
| EVAC | Ethylene vinyl acetate (EVA) | 70 - 90 | Transparent and flexible. Excellent elastomeric properties and low-temperature properties. Some types offer excellent adhesion. Poor resistance to heat. | Agricultural films and stretched films | ||
| PP | Polypropylene | 100 - 140 | Has the lowest specific gravity (0.9-0.91) among plastics. Relatively high heat resistance. Excellent mechanical strength. | Automotive parts, home appliance components, packaging films, food packages, caps, trays, cargo containers, palettes, clothing cases, textile, medical devices, daily necessities and waste bins | ||
| PVC | Polyvinyl chloride | 60 - 80 | Flame retardancy. Flexible and rigid types are available. Sinks in water (with specific gravity of 1.4). High-gloss surface. Good printability. | Water pipes, drainpipes, couplings, gutters, corrugated panels, sashes, floor material, wallpaper, synthetic leather, hoses and agricultural films | ||
| PS | Polystyrene (Styrol) |
Polystyrene | 70 - 90 | Comes in transparent, stiff GP grade and milky white, shock-resistant HI grade. Easily colored. Good electrical insulation. Soluble in benzene and thinner. | Casings for office appliances and televisions, CD cases and food packages | |
| Polystyrene foam | 70 - 90 | Lightweight and stiff. Excellent thermal insulating properties. Soluble in benzene and thinner. | Cushioning material for packaging, fish containers, food trays, quick-cook noodle packages and tatami mats | |||
| SAN | Styrene Acrylonitrile | 80 - 100 | High transparency and excellent heat resistance. | Tableware, disposable cigarette lighters, electrical appliance (fan blades and juicers), food packages, toys and cosmetic packages | ||
| ABS | Acrylonitrile Butadiene Styrene | 70 - 100 | High-gloss, good appearance and excellent shock resistance. | Office appliance, automotive parts (interior and exterior), game consoles, building components (interior) and electrical appliance (air conditioners and refrigerators) | ||
| PET | Polyethylene Terephthalate |
Stretched film: Up to 200ºC | Highly transparent and stiff. Excellent gas barrier properties. | Insulation material, high-performance optical films, magnetic tape, photographic films and packaging films | ||
| Non-stretched sheet: Up to 60ºC | Highly transparent. Excellent oil and chemical resistance. | Packages for deli, preserved food, fruits, salads, cakes and beverage, plastic folders and transparent packaging material (amorphous polyethylene terephthalate: APE) | ||||
| Heat-resistant bottle: Up to 85ºC | Transparent and stiff. Excellent gas barrier properties. | Packages for beverages, soy sauce, alcoholic beverages, tea and drink water (plastic bottles) | ||||
| PMMA | Polymethyl methacrylate (Acrylic resin) | 70 - 90 | Colorless, transparent and glossy. Corroded by benzene and thinner. | Vehicle tail light lenses, tableware, illumination panels, water tank plates and contact lenses | ||
| PVAL | Polyvinyl alcohol | 40 - 80 | Water soluble and excellent in film forming, adhesion, chemical resistance and oxygen barrier properties. | Vinylon fiber, films, paper processing agent, adhesives, PVC suspension polymerization stabilizers and automobile safety glass | ||
| PVDC | Vinylidene chloride (Polyvinylidene chloride) | 130 - 150 | Colorless and transparent. Good chemical resistance. Excellent gas barrier properties. | Food wrapping films, ham/sausage casings and film coating | ||
| PC | Polycarbonate | 120 - 130 | Colorless and transparent. Highly resistant to acid, but susceptible to alkali. Outstanding shock resistance. Excellent heat resistance. | DVDs/CDs, electronic component housings (mobile phones, etc.), automobile headlight lenses, camera lenses and housings, and transparent roofing materials | ||
| PA | Polyamide (Nylon) | 80 - 140 | Milky white. Highly resistant to wear, cold and shock. | Automotive parts (intake pipes, radiator tanks, cooling fans, etc.), food wrapping films, fish nets and guts, gears and fasteners | ||
| POM | Polyacetal | 80 - 120 | White and opaque. Excellent shock resistance. Good wear resistance. | Gears (DVDs, etc.), automotive parts (fuel pumps, etc.), fasteners and clips | ||
| PBT | Polybutylene terephthalate | 60 - 140 | White and opaque. Good balance of electrical and other properties. | Electrical components and automobile electrical components | ||
| PTFE | Fluororesin | 260 | Milky white. Highly resistant to heat and chemicals. Non adhesive. | Inner coating of pans, insulation material, bearings, gaskets, sealing, filters, semiconductor and wire coating | ||
| Thermosetting resin | PF | Phenol resin | 150 | High electrical insulation properties. Good resistance to acid, heat and water. Flame retardancy. | Print circuit boards, iron grips, power switchboard circuit breakers, grips of pans and kettles, and plywood adhesives | |
| MF | Melamine resin | 110 - 130 | Good water resistance. Resembles pottery. Hard surface. | Tableware, laminate panels, plywood adhesives and paints | ||
| UF | Urea resin | 90 | Resembles melamine, but flame retarding. Offered at reasonable prices. | Buttons, caps, electrical equipment (wiring accessories) and plywood adhesives | ||
| PUR | Polyurethane | 90 - 130 | Available in a wide variety of resins of different properties from flexible to rigid. Excellent adhesion and wear resistance. Polyurethane foam also exhibits various properties. | Foam: Primarily used in cushions, automobile seats and insulation material. Non-foam: Used in industrial rolls, sealing, belts, paint, waterproof materials and spandex fiber | ||
| EP | Epoxy resin | 150 - 200 | Excellent physical, chemical and electrical properties. Carbon fiber-reinforced versions offer rigidity. | Electrical instruments (IC sealant, print circuit boards, etc.), paints, adhesives and laminates | ||
| UP | Unsaturated polyester | 130 - 150 | Good electrical insulation, heat resistance and chemical resistance. Glass fiber-reinforced versions offer rigidity. | Baths, corrugated panels, cooling towers, fishing boats, buttons, helmets, fishing rods, paint and water purifier tanks | ||
| SI | Silicone | -70 - 250 | Excellent in a variety of properties including heat and cold resistance, electrical insulation, flame-retardancy, adhesion, oil and solvent resistance, water repellency and ecological adaptability. | Adhesives, coatings, wire coatings, radiating rubbers, LED lenses, sealants, toys found in food products, cooking utensils, baby bottles, contact lenses, medical devices, etc | ||
