The first man-made plastic was invented in 1862 by Alexander Parkes Parkensine name was a cellulose-based plastic.
Bakelite created the first fully synthetic plastic in 1907, a chemist Leo Baekeland created the New York was. It was called a type of plastic resin. The earliest plastic.
Bakelite
A word often a hard, dense, plastic laminated paper, glass cloth or layers of cotton fabric impregnated with various synthetic resins to materials created by applying heat and pressure described. These materials with good mechanical strength and excellent dielectric properites dimensional stability. Electrical terminal boxes, cable aircraft pulleys, bearings, gears and transformers, etc. Used in a variety of fields like
Available in: sheet 0.8mm - thick 100mm. Rod and tube of 4mm.
Since then several other discovered or invented plastic. In general these are:
Nylon:
The most common use in engineering thermoplastic today. Types 6 and 66 in several grades for engineering mainly manufactured. The most common throughout the 6, where brutality is an excellent combination of mechanical strength and impact resistance as follows. Glass filled, black MoS2, graphite and special lubricated grades are also available. Technical parts, bushes, bearings, gears, wear pads, rollers, pulleys, etc. used in
Available in: 0.5mm sheet - 100mm thick in varying sizes. From 5mm Rod - 500m. Tubes are normally put to order.
PVC:
Non-corrosive, chemical and oil resistant. PVC has excellent electrical insulating properties and self-extinguishing. Electrical parts, laboratory equipment, photographic and chemical tanks, fume cupboards, etc. Easy to cut, weld size, and used for building. To use a maximum of 60 degree Celsius temperature
Available in: sheet 1.5mm - thick 70mm. 6 of the rod - 200mm.
POLYETHYLENES:
HDPE: High density Polyethlenes are resistant to a wide range of chemicals. They have excellent insulation properties, have practically no moisture absorption and low temperature to maintain their properties. HDPE food processing areas is ideal for cutting boards. The most common grade UHMWPE used in engineering and are HMWPE.
UHMWPE: Ultra High Molecular Weight Polyethylene highest impact strength and abrasion resistance is the best of any thermoplastic today. Self-lubricating, wear the perfect strips, etc. guide rail, roller, scraper blade, star wheels, feed the worms, chute linings, etc. widely used in food and packaging industries
HMWPE: High Molecular Weight Polyethylene used for general engineering offers a good compromise in price and property. UHMWPE is used in many similar applications, but the abrasion resistance is not important where.
Available at: letters from a variety of 1.0mm - 100mm thick natural black and green. Rod with 10-250mm.
Polycarbonate:
Virtually unbreakable.
Hard glazing material known today, polycarbonate has an impact force equal to 250 times more than the thickness of the glass. Security, vandal-resistant and theft deterrent mainly used for all types of glazing. Some common uses machine cranes and forklifts, safety visors, riot shields, etc., schools, bus shelters, factories and buildings, sports complexes, etc., used for glazing, the guard window shields included
Available at: from 1mm to 12mm thick top sheet. Rod and tube are also available.
Acrylic:
Generally Perspex ®, acrylic glass in many areas is an ideal replacement as is known. It is widely signs, lighting, security glazing, machine guards equipment, display units, aircraft, boats and caravans to the windows, cab tractors and other machinery used for the glazing. Acrylic with extraordinary clarity is outstanding weathering capabilities. Less than half the weight of glass, yet resistant to breakage than 15 hours.
Available: 1.5mm to 50mm in a range of sizes and colors to thick sheets. Signs and light boxes, and light covers prismatic skylights available for opal acrylic. Clearly stick to 150mm. OD from 6mm 500 mm OD tube form.
Teflon:
Offering excellent properties.
Commonly known as Teflon ®. Best chemical resistance of PTFE have any plastic. Very high heat resistance, good electrical properties combined with very low friction coefficient make it a unique material. Bearing pads, rings, insulators, and many chemical plant components, packing gaskets, used to. Also glass carbon, or with brass of fillers to improve mechanical properties to produce.
Available in: stick sheet, and a variety of tubes, PTFE tape, plain and etched skived. PTFE coated glass fabric is also available for heat sealing applications.
Are normally well over a wide variety of applications in our modern day, a few used plastic.
Plastics have developed a long way, today we use machine guards around the world as many factories Polycarbonate.
Acrylic display cases around, stands, lightboxes, cake stands, as every shop, sales displays, etc. is used in point ..
Polyethylenes of various grades, including food grade still is in many aspects of the engineering sciences. UHMWPE a espcecially high co-efficient of friction and excellent wear properties.
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