Office Furniture Material (c)
(3) Rubber class
3.1 Application of plastic pieces of furniture
plastics example is very common, and there are many categories of materials: ABS, PP, PVC different PU, POM, PA, PMMA, PE, PS, PC, adaptation range of different materials.
ABS: Common name plastic, can be used to connect the pieces of the seat back, seat, it is capable of plastic plating (water plating) the main raw material.
PP: Polypropylene common name for five-star foot, arm, foot, and less demanding strength connections. Disadvantages: poor wear resistance, low surface hardness.
PVC: Polyvinyl Chloride Common name, mainly for edge pieces, inserted condition. It is suitable for extrusion molding, while the PVC material is a non-combustible materials in plastic parts, molding temperature stability is poor, especially poor color stability.
PU: Common names polyurethane. Mainly used armrest (foaming) accessories.
POM: Common names match steel. Mainly used for wear-resistant parts, such as the Ottomans, casters, hinges, hinges and so on. Performance wear and pressure, but poor dimensional stability.
PA: Common name nylon. Mainly used as the Ottomans, the five-star claw, casters and other wear and life requirements of high places. Features: wear and pressure, high-intensity indoor long life, individual models such as PA66 high temperature of 2200, the disadvantage is drying in the sun easy to change the performance, easily broken, poor weather resistance.
PMMA :: plexiglass (commonly known as acrylic). There are five transparent plastic material, and is one of the most transparent PMMA with acid taste workpiece cutting, machining deformation easy, soaked with water can be shaped bend. Disadvantages: easy to scratch the surface, the hardness is low, easy to crack when bent, the price is more than 20% higher than ABS.
PC: commonly known as polycarbonate. The species also is a transparent material, high surface hardness, scratch resistance, impact resistance, high strength, good weather resistance (that is not afraid of sunlight). Furniture sun screen separator plate of this material is a hollow extrusion molding. Features: high cost price, higher than about 40% PMMA.
3.2
rubber molding rubber varieties are mostly used vulcanization process, which is characterized by: softness is good, can also be different hard and soft adjustment, the shape can be complex, the situation can not release does not exist. Oil, acids, alkalis, abrasion resistance are good. Disadvantages: difficult color rough (especially dark to light) hardness is limited and rough surface, unlike plastic can do mirror effect. But mold, low cost, fast cycle, the production of materials can be mixed into powder, modified magnetic body from the noise, seal.
furniture industry has NBR rubber, silicone and the like. Generally used for furniture wall insulation strips, foot plug, plug the vacuum chuck, rail damping parts.
3.3 resinous
resin products are currently a major trend, more and more for furniture, building materials, such as artificial stone materials on the market, artificial bathtub, fire-retardant board, glass and steel products. Unsaturated polymer resin chemical raw materials predominantly liquid, to solidify into a solid formulation and hardener are mixed polymerization reaction heat. It differs from crushing and recycling plastics is that the work can not be used. PP and its cost price is almost, but also with its production process mold casted, but simple mold, available wood mold, plaster mold, rubber molds. Particularly adapted to changing shape, short, small-volume products. Glass steel furniture category is one of them.
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