█ PVDF 1000LD █ 、→，EVA 3044、‖。PP K4515、ASA XTWE270M、PC/ABS C1100、→，PC HPX8REU、PC FP-30、‖。PBT 3100H、‖。POM M25SPEI BF1000-1000HT、‖。PBT VSM730、‖。PBT B6550FC、PP Q300F、‖。PC CLS400、→，TPU 1195A55、→，LDPE HP0823J、LDPE B128、→，LLDPE FT810、PP R6300、‖。TPE BT-1072D、TPE TF5WKA、→，TPU S60DN、→，PC 8701-15 、TPU ES60D50、→，PC DX96651、→，ASA GLY7510、→，PP 1310、EVA E182L、‖。LCP A430、→，PP HP500J、PP HP462S

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PEI is amorphous, and has outstanding high temperature resistance, high strength, high modulus and wide chemical resistance. It has natural flammability, low smoke emission and high dielectric constant and dissipation factor.

Commodity name: ULTEM:

PEI plastic material in plastic online plastic Encyclopedia

The United States GE 1000-1000/71011010-1000/7001, ATX2002100220

Product introduction:

█ PVDF 1000LD █ PBT The rheological property of PET is better in the melting state, and the effect of pressure on the viscosity is larger than that of the temperature. Therefore, the flow of the melt is changed mainly from the pressure. 1, the treatment of plastics is due to the PET macromolecule containing lipid base, which has a certain hydrophilicity. The pellets are sensitive to water at high temperature. When the moisture content exceeds the limit, the molecular weight of PET decreases, and the products are colored and crisp. Therefore, it is necessary to dry the material before processing, and the drying temperature is 150, 4 hours, generally 170, 3-4 hours. The air - ejection method is used to test whether the material is completely dry. Generally, the proportion of the recycled material should not exceed 25%, and the recycled material should be completely dried.

2, PET is chosen for injection molding machine. Because of its short time after melting point and high melting point, it is necessary to choose injection system with more temperature control section and less friction heat when plasticizing, and the actual weight of products (water cut material) should not be less than 2/3 of machine injection volume. Based on these requirements, in recent years, Ramada has developed a small and medium-sized series of PET special plasticizing systems. The clamping force is selected by more than 6300t/m2.

3, mold and gate design, PET bottle embryo is usually molded by hot runner mold. Between the mold and injection molding machine template, it is best to have insulation panels, the thickness is about 12mm, and the heat insulation board will be able to withstand high pressure. The exhaust must be sufficient to avoid partial overheating or fragmentation, but the depth of the exhaust port is generally not more than 0.03mm, otherwise it is easy to produce the fly edge.

Combustibility: it is difficult to burn and can continue to burn after fire.

Energy saving: the light transmittance is good, the light source products are reduced, electricity saving is saved, and the cost of use is reduced.

The shortcomings of PMMA are brittle and brittle, low surface hardness, easy to be scraped and lose luster, but fine scratches and scratches can be removed with polished paste. History

Acrylic (ACRYLIC), name of special treatment of organic glass. The research and development of acrylic has a history of more than 100 years ago. In 1872 of the polymerization of acrylic acid was found in 1880; methacrylate polymerization known; synthesis of poly propylene ester propionic acid in 1901; in 1927 using the synthesis method to industrialized manufacturing; 1937 methyl acid industrial manufacture was developed successfully, which entered the scale of manufacturing. In the course of World War II, acrylic has excellent toughness and light transmittance. First, it is applied to the windshield of the aircraft, and the perimeter of the tank driver's cab. In 1948, the first acrylic bathtub was born in the world, and then the application of acrylic entered a new milestone.

█ PVDF 1000LD █ 1. China's plexiglass and acrylic (acrylic) PMMA production and market situation. The total production capacity of China's plexiglass products is 130 thousand tons per day, and there are many manufacturers, but the scale of production is small.

China's organic glass acrylic production and processing capacity is very large, but the product structure is not very reasonable, it can only produce ordinary variety products, lack of high value-added products needed by construction industry, and can not meet the market demand in variety and quality, for example, the demand for building is very high