3.1 Plastic pieces of furniture used in the case of plastic products is very common, and material categories are also many: ABS, PP, PVC, Pu, POM, PA, PMMA, PE, PS, PC, different materials to adapt to different range. ABS: Common names Engineering plastics, can be used for connecting parts, seat back, seat plate, it is plastic can be electroplating (water plating) main raw materials. PP: Common names polypropylene, used for five-star feet, handrails, foot pads and strength requirements are not high connection pieces. Disadvantages: Poor wear resistance, low surface hardness. PVC: Common names PVC, mainly used for edge parts, insert conditions. It is suitable for extrusion molding, at the same time, PVC materials are not combustible materials in plastic parts, the processing temperature stability is poor, especially the color stability is not good. PU: Common names polyurethane. Mainly used for handrails (foam) accessories. Pom: Common names race steel. Mainly used for wear-resistant parts such as foot pads, casters, door hinges, hinges and so on. The performance of wear-resisting, pressure-resistant, but poor dimensional stability. PA: Common names nylon. Mainly used for foot pads, five-star claw, casters and other wear-resistant, life-long requirements of the place. Features: Wear-resisting, pressure-resistant, high-intensity indoor life long, individual models such as PA66 high temperature up to 2200, the disadvantage is in the sun to change performance, easy to break, weather-resistant poor. PMMA:: Plexiglass (commonly known as the Asian Afterburner). There are five kinds of transparent materials in the plastic, and PMMA is one of the highest transparency, the workpiece is cut with acetic acid, the process is easy to be deformed and can be shaped and bent with boiled water. Disadvantages: The surface is easy to scratch, the hardness is low, bending easy to crack, the price than abs higher than 20%. PC: Commonly known as polycarbonate. This species is also a transparent material, high surface hardness, scratch resistance, strong impact resistance, high strength, good weather resistance (ie not afraid of sunlight). Furniture in the screen clapboard sun plate is the material hollow extrusion molding. Features: The price is high, about 40% higher than PMMA.
3.2 Rubber Rubber Parts forming most of the vulcanization process, its characteristics: good softness, can also be different hardness adjustment, shape can be complex, there is no stripping situation. Oil, acid, alkali, wear resistance is good. Disadvantages: The color is difficult to coarse (especially dark color to light-colored) hardness has a certain limit, the surface is more coarse, unlike plastic can do mirror effect. But the mold cost is low, the cycle is fast, the material production may mix the magnetic powder, the modification is the magnetic body, the sound insulation, the seal function. The furniture industry uses rubber to have NBR rubber, silica gel and so on. Generally used in furniture, screen insulation tape, foot plug, vacuum sucker plug, guide damping parts and so on.
3.3 Resin Resin products currently have a trend, more and more used in furniture building materials, such as market artificial stone materials, man-made bathtub, fire-retardant board, FRP and other products. Resin is unsaturated polymer chemicals, raw materials mainly liquid, and the formulation of curing agent mixed polymerization reaction heat and solidified into a solid. The difference between it and plastics is that the workpiece can not be used for crushing and recycling. The cost of the same as PP, it production process also need to use mold casting molding, but the mold is simple, can be used wood mold, plaster mold, rubber mold and so on. Especially adapt to the shape of changeable, short cycle, production of a small number of products. Furniture products in the category of glass fiber reinforced plastic.
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