The biggest difference between PP and PVC materials is that they are different substances.
I.PP material
Chinese name: Polypropylene
English name: Polypropylene (abbreviation: PP)
Molecular formula: C3H6
Properties
White powder. Soluble in solvents such as dimethylformamide or thiocyanate. ?
Melting point ?189?°C(lit.)
Density ?0.9?g/mL ?at 25?°C(lit.)
Refractive index ?n20/D ?1.49(lit.)
Storage condition 20°C
Structural formula
5. Uses ?
Used for injection molding, extrusion molding, made into a variety of products and a variety of fibers, narrow tapes and films, etc.
Used for textile, weaving
Used for the production of air-conditioning outdoor unit cover shells, beer crates, highway shades, and other long-term outdoor use of plastic parts
Used for the polypropylene fibers and flame retardant of plastic electrical parts
Used for refrigerators, Air-conditioning, television, machinery and other industrial sectors to manufacture a variety of parts
Can be used for water supply, drainage, cold, hot water pipe and pipe fittings manufacturing, with high strength, good creep resistance, excellent resistance to moisture and heat aging performance
Used as coatings, plastics processing aids
Used in the production of extruded film, composite film plastic products
Used in the cigarette filter bundles oiling
Used in the production of electrical appliances, telecommunications, lighting, lighting equipment and television sets of flame-retardant parts
Used in car bumpers, instrument panels, heater shells, rubbing strips, battery shells, door panels and other decorative parts
Used in the electronics, electrical appliances, instrumentation, home appliances, light industry, chemicals and textiles, automotive machinery, etc.
Used in the light industry sector for the production of reinforced Polypropylene products
Used as a raw material for further processing of polypropylene granules and products
Special oil agent for polypropylene production, it has the effect of smoothing, bundling and anti-static on fibers, it is used in the production of polypropylene composite filament, deformed filaments, and heterogeneous filaments
Used in the production of automobile interior and exterior parts, engine fans, mechanical parts, textile materials, electronic and electrical parts, etc.
It can be used in the following areas Cotton spinning, wool spinning, artificial wool cloth, carpets, non-woven fabrics, etc.
Used in the manufacture of parachutes, fishing nets, filter cloth, ropes, work clothes, clothing, fleece blankets, artificial fur, etc.
Mainly used for a variety of long and short polypropylene fibers
Used in the production of polypropylene woven bags, bags, injection molded products, etc.
Two. Chinese name: Polyvinyl chloride
English name: Polyvinyl chloride (abbreviation: PVC)
Molecular formula: [C2H3Cl]n
Structural formula:
Properties ?
The industrial product is white or light yellow powder. Low molecular weight is soluble in ketones, esters and chlorinated hydrocarbon solvents. High molecular weight is difficult to dissolve.
Density ?1.4?g/mL?at 25?°C (lit.) ?
6. Usage ?
Its products are used in various fields such as light industry, building materials, agriculture, daily life, packaging, electricity, etc.
It can be used in the production of various kinds of high-level insulating materials, agricultural films, artificial leather, plastic shoes, hard pipes, records, welding rods, etc.
Used as the raw material of polyvinyl chloride (PVC) plastic products
Used in the production of U-PVC windows, doors, profiles and tubes, etc.
Used to make perchlorinated vinyl resins, etc.
Used in the production of perchloroethylene resin
Used in food packaging, water pipes and general PVC products
Used in the production of furniture veneer, loudspeaker veneer, blown film
Used in the processing of blood transfusion catheters, drainage bags, drainage catheters and drips and other medical accessories and catheters through the extrusion
Used in the manufacture of plastic sheets, tubes, wire and cable
Used in the manufacture of plastic sheet, pipe, wire and cable
Used in the production of wire and cable cladding, equipment corrosion, automotive parts, etc.
Used in the manufacture of soft and hard products for industry, agriculture and life
Used in the packaging of the pad shrink film and packaging of hollow blow-molded products
Specialized raw materials for injection molding PVC-U fittings
Used in the production of cable and wire insulation, protective sheaths, and chlorine spandex fibers, PVC soft products and other production raw materials
Their products are used in various fields such as light industry, building materials, agriculture, daily life, packaging, electric power, utilities, etc.
Used in the production of profiles, sheets, records, fittings, containers, flooring, etc.
Used in wire, cable insulation and sheathing, and other plastics used for the outer layer
Used in the production of a series of paste products, impregnation, lining products, foam, synthetic fibers, etc.
Used in the preparation of non-foaming artificial leather backing, artificial leather and flooring surfaces, canvas impregnation molding, hollow molding products, and rubber erasers, caps, etc.
Used in the manufacture of electrical insulating materials, a variety of films, artificial leather, hoses, profiles, etc.
With the general use of PVC, especially suitable for the manufacture of shoe soles, tapes and other products with a certain degree of elasticity
Has the general purpose of PVC, especially suitable for the manufacture of shoe soles, tapes and so on with the
Used for electric power, communication, marine cables and other wires, cables, sheathing
Used for PVC suspension polymerization to prevent sticking to the kettle
Mainly used in the production of food packaging materials
Used for the manufacture of films, hoses, artificial leather, footwear and so on
Applied to the food industry, medical care, stationery, building materials, decorative, chemical industry, textile, daily necessities manufacturing and so on
Applied to the food, medical care, stationery, building materials, decorative, chemical industry, textile, daily necessities manufacturing and so on, Textile, daily necessities manufacturing industry
Used in the production of artificial leather, floor leather, battery separators, conveyor belts, insulating coatings, wallpaper, window screen, bottle cap drop molding, toys, etc.
Used as a high-level electrical insulation materials and protective layer
Used as insulation and sheath layer of marine cables
Used in the sheaths of rubber- and plastic-insulated cables, as well as the outer layer of other Plastics
Materials used in the manufacture of blood transfusion bags and cryopreservation containers and tubes for blood and blood products, droppers, etc.
Used in the production of PVC bottles, rigid injection-molded fittings, etc., and in the production of perchloroethylene resins
Used in the production of paints, fibers, adhesives, insulating materials, etc.
Used in the production of PVC records, transparencies, rigid sheets, welding rods, and fibers. Main raw materials
Used as hard pipe, hard sheet, monofilament, casing, etc.
Used in the manufacture of artificial leather, wallpaper, plastic flooring, impregnation of window screen, impregnation of gloves, prosthetic limbs, flame-retardant transport belts and non-woven carpets, etc.
Used in the manufacture of electrical insulating materials, soft products, films, artificial leather surface film, etc.
Used in the production of PVC hard pipe, hard sheet, semi-hard sheet, film, profiles, etc.
Used in the production of PVC hard pipe, hard sheet, semi-hard sheet, film
Used in the manufacture of hardboards, records, valves, pipes, welding rods, etc.
Used in communication, signaling and low-voltage cables and insulated wires with high electrical requirements
Used in the production of PVC film, hoses, shoe materials, etc.