We process plastic sheets, which are as follows:
- PET sheets,
- PVC sheets and film,
- HIPs high impact polystyrenes,
- ABS sheets,
- polypropylene film,
- solid and cellular polycarbonate sheets and others.
We process plastic sheets, which are as follows:
Compared with PS, it has higher stiffness and toughness, is hard, transparent, can tolerate temperature changes well, can be easily dyed, and has a glossy surface. It resists acids, alkalis, fats, oils, alcohol and gasoline. It has better hot dimensional stability than PS, significantly better corrosion resistance under stress and weathering. Dielectric properties are inferior, absorbency higher. It is not harmful to health.
Bodies and transparent covers of kitchen appliances, blender containers, bathroom sets, beverage cups, hiking utensils and cutlery, spices, handles of brushes and toothbrushes, transparent covers of gramophones, covers of car taillights, transparent scales of radios, drawing templates, handles of ballpoint pens, rotors of table fans.
It is relatively easy to ignite, burning with a yellow flame as soot develops. Cracks brittle when subjected to bending stress.
Many types are produced, varying in stiffness and temperature resistance. This is achieved by varying the ratio of copolymerizing components. It is stiff, strong and yet tough, even at reduced temperature. Special types can be used down to -40 °C. Good shock and vibration absorption. Temperature resistance and dimensional stability under heat are better than PS and SAN, as well as corrosion resistance under stress. Tolerates alternating temperatures. Electrical insulation and dielectric properties are inferior, it is slightly wetted. It is only slightly charged by static electricity. Weather resistance is limited, it is non-hazardous, special types can be electroplated. It is flammable. Resists acids, bases, oils, fats, some hydrocarbons, but not chlorinated and aromatic hydrocarbons, esters and ketones.
Household appliance covers, telephone instrument bodies and handsets, pocket calculator bodies, microphone and alarm clock bodies, lamp bases, bread slicer and kitchen scale bodies, toys, e.g. Model cars, weapons, protective sports helmets, tool handles, bicycle chain covers and fenders, lawn mower covers, child seats, car radiator and heater grilles, decorative grilles, headlight housings, portable tool boxes, bathroom fittings for electroplating, vacuum cleaner and hair dryer covers.
As with PS: - burns with soot development, odor is less aromatic, some types are self-extinguishing.
It is good, but worse than PS. ITT is quoted for a temperature of 200 °C and a load of 212 N. It comes in a wide colour scale but is opaque. Under bending stress it either fails to crack or cracks with a tenacious fracture.
It is a copolymer of styrene with butadiene. As the rubber component content increases, the strength, hardness and stiffness decrease and the ductility and impact toughness increase, the dielectric properties and chemical resistance slightly deteriorate. It resists acids, alkalis, fats, oils, alcohol and salt solutions, and does not resist chlorinated and aromatic hydrocarbons, ketones and esters. It is not transparent, but only translucent, and is coloured with opaque paints.Absorbency is somewhat higher than PS.
Food boxes, camping utensils, furniture parts, e.g. Table drawers, refrigerator trays, clothes hangers, automobile wheel covers, magnetic tape cartridges, internal parts of telephone equipment, radio and television equipment cabinets, camera housings, film reels, switches, handling boxes and crates, flower pots and flower pot trays.
Burns while soot is developing, turns white at the bend and usually will not crack. If it does, it will fracture tenaciously.
Thermoplastic polyethylene terephthalate (PET) is a plastic belonging chemically to polyesters. In terms of the chemical principle of polymerization, polyesters are classified as polycondensates, similar to polyamides or phenolic resins. Most polyesters are not typical thermoplastics and are rather known as reactive resins (reactoplastics, formerly known as thermosets) or fibrous materials. Also, PET itself was originally developed to produce high-quality fibers. In the last three decades, the field of practical applicability of this polymer has expanded significantly. Currently, polyethylene terephthalate is still typically used as a fiber material, but much larger volumes are intended for processing into foils (packaging materials, film mats, magnetic recording materials), hollow packaging, and its use as a construction material is also expanding more and more, especially in in the form of composites.
PET is a semi-crystalline polymer that is practically used mainly in its amorphous form.
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