Sheet Machine Applications

Views: 1     Author: Site Editor     Publish Time: 2021-11-30      Origin: Site

The sheet machine mainly produces PP sheet molded plastic, which is a new type of thermosetting molded plastic, used in the chemical, mechanical, pharmaceutical, electrical, and electronic industries. The sheet machine is a thickener, filler, and release agent that adds to the device. Polyester resin composed of curing agent, impregnated, glass fiber yarn, covered with film on both sides, forming a sandwich structure of unsaturated polyester glass fiber to increase the production equipment of composite materials.

The Chinese name of PP sheet is polypropylene, which is an engineering plastic with excellent comprehensive properties. PP sheets/sheets refer to PP sheets and sheets made by copolymerization or homopolymerization of PP by extrusion. They are divided according to the thickness.

PP sheet/sheet features: smooth and flat surface, with high strength, high rigidity, high hardness, flame-retardant, insulation, moisture-proof, heat-insulation, anti-corrosion, impact resistance, non-deformation, anti-light, anti-fading and good weather resistance.

PP sheets/sheets are widely used in structural materials such as chemicals, machinery, medicine, electrical appliances, and electronics industries.

PP (polypropylene) has outstanding physical, mechanical, electrical and thermal properties, so PP has the reputation of "the king of transparent plastics". The sheet material made of polypropylene is a new type of high-strength commonly used internationally. , Light transmission, sound insulation, energy-saving materials, there are other ordinary building decoration materials (such as glass, angled glass, tempered glass, insulating glass, organic glass, etc.) incomparable advantages. Therefore, since its launch in the late 1980s, it has quickly entered the building decoration material market, and has been widely praised and praised by architectural design, decoration engineering, environmental protection, advertising, agriculture, and horticulture.

The physical properties are reflected in low density, strength and rigidity, hardness and heat resistance are better than low-pressure polyethylene, can be used at about 100 degrees, has good electrical properties and high-frequency insulation is not affected by humidity, but it becomes brittle at low temperature, not Mould resistant and easy to age. Suitable for making general mechanical parts, corrosion-resistant parts and insulating parts.

PP sheets with a thickness of 0.2-0.4mm are mainly used for food packaging, such as disposable transparent food packaging boxes in supermarkets, disposable PP water cups, etc. The main raw material is homopolymer PP (such as domestic t30s, f401, 2401, etc.), there are also a small amount of random copolymer PP.

Sheets with a thickness of 0.5-0.8mm are mainly used for environmental protection. As a water treatment material, the material can be used underwater for seven or eight years. The raw material used is mainly PP copolymer.

PP plates/sheets with a thickness of 0.8-6mm are mainly used for lining chemical tanks, and can also be used for water treatment in terms of environmental protection. PP sheet material with a thickness of about 3mm is used to make decorations such as plastic Christmas trees. The thickness of PP hollow sheet material is generally 2-7mm. It is mainly used to make document packages, packing boxes, greenhouse sheets, bathing partition sheets, decorative sheets, exhibition sheets, wall panels, lighting panels, etc. The raw materials are mainly block copolymers. PP.

PP sheets with a thickness greater than 6mm are mainly used in industry. The raw material is generally block copolymer PP, and some manufacturers use random copolymerization and homopolymerization PP.

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