(PA6 CARV300L)（原料） PBT TV4261KL 、‖。PA6 PX85100 、PP MX99432 、‖。PMMA GH1000S 、PA66 E-17441 、‖。PA66 66H2G/25-V0KB1 、TPE D2104Z 、‖。PA6 1013G30 、→，PA612 DX9321 、PC 4202-15 、‖。TPU 2103-90AEFH 、PC/ABS HAC-8250W 、PP 2515N PA610 QL4540 、EVA CA-1400G 、‖。PP 9421 、PP SB224-2 、PP P401S 、LDPE 1815AN00 、‖。PC/ABS NH-1015 BK 、→，PP RB200 、‖。PA66 RF006XXZ 、→，MDPE PETX9003 、‖。PP 3362 PA/MXD6 1022-9008 、PBT B2300-G6HR 、PBT 3010FR 、PA6 PF005 、TPU AS-626SL 、PP MR60MC2 、‖。POM 、PC DMX2415 NA 、‖。TPE G7680-9 、TPE 1050DBC/8901 、‖。PP CH53 PPE G702V 、‖。PC VRE2000 、PA6 PF00A 、→，EVOH A4412 、‖。PP EP300H 、POM TS-25H ‖。 EV1050G1/RF 、PA66 R-220 、→，PP WB130HMSHMS 、‖。TPU T865A 、TPE TF7ADG 、‖。PC SI-3109G K2007 ‖。 3120 、HDPE L4555X01 、PC S-2000UR 、‖。PC 3020U(H) 、PP BD212CF 、→，LLDPE FG20F 、PP J740 、LCP 6244L 、‖。PA6 8270HS 、‖。TPE GN7142F 、PP 2660M 、‖。PC SF2230 ‖。 40-55 、PP 1902HU 、→，PA11 BZM-43BLK 、TPE MTM6MHD 、PC/ABS LDS3710 、PA66 O-401 、‖。PC/ABS GN5001RFH 、→，PC KG-30F15 、PP K1013 、‖。POM LM90Z 、→，PP 374NDCS15V 、‖。PA66 RAL22I 、‖。PA66 A3ZG6 PEI EX07311P 、‖。PC/ABS R-2030 、PA6 LS160 、 (PA6 CARV300L)（原料）PVC (1) cost barrier PVC is a basic chemical raw material, and its product diversity is relatively small. Under the completely competitive market structure in China, the cost is the most important factor that affects the competitiveness of enterprises. As a result of industry characteristics, raw materials and energy occupy a high proportion in product cost. The cost of oil ethylene is mainly affected by the impact of the price of petroleum; calcium carbide production cost is mainly affected by the cost effect in general, calcium carbide, calcium carbide cost accounted for about PVC 70% of the cost, and the cost of electricity has accounted for about 60% of the cost of calcium carbide, because China is rich in power resources in the west, the electricity price is relatively low, compared with the production Eastern Enterprises calcium carbide production enterprises, the calcium carbide method has certain advantages in terms of cost. With resource endowments, supporting the production of calcium carbide enterprises, will build more solid cost barriers. Industrial policy barriers To promote the upgrading of chlor alkali industry in the industrial structure, regulate the development of the industry, in accordance with the principle of sustainable development to optimize the layout and orderly development, adjust the structure, save energy, protect the environment, safety production, technological progress, the national development and Reform Commission issued the "formulation (chlor alkali caustic soda, PVC) industry access conditions", and since the beginning of December 1, 2007: in the industrial layout for new chlor alkali production enterprises should be close to the resources, the energy area, the eastern region in addition to the relocation of enterprises outside the principle of caustic soda project is no longer the new carbide PVC project and its matching; technology requirements for construction and reconstruction of the calcium carbide PVC project must be simultaneously supporting the building of carbide slag cement and carbide slag comprehensive using the device access conditions; from the index of energy consumption and environmental standards for new projects. The adjustment of industrial policy greatly improves the threshold of capital, technology, talents and resources in the chlor alkali industry EVA is a copolymer of ethylene and acetic acid. The Chinese chemical name is ethylene vinyl acetate copolymer (ethylene vinyl acetate copolymer). The English chemical name is Ethylene Vinyl Acetate Copolymer. The application field of EVA is quite extensive. The market consumption in China is increasing year by year, especially in shoemaking industry, which is applied to middle and high grade shoes, mountaineering shoes, slippers, sandals, soles and interior materials. Chinese name EVA plastics Foreign language name Ethylene Vinyl Acetate Copolymer Chinese chemical name Ethylene vinyl acetate copolymer application area Shoe making industry Make Copolymerization of ethylene and acetic acid Catalog 1.1 encyclopedia card 2.2 brief introduction 3.3 characteristics 4.4 application fields 5.5 physical property table medical aircraft The lin] Ethylene ['the theta, [of] Vinyl [of] vainil] ['the ethylene vinyl Acetate ['? sitit] [of] Copolymer [k u'p ester salt. Lim.] [of] copolymer brief introduction Ethylene vinyl acetate copolymer, called EVA. Ethylene vinyl acetate (VA) content in 5%-40%, and polyethylene (PE) compared to EVA due to the molecular chain of the vinyl acetate monomer, thereby reducing the high crystallinity, improved toughness, impact resistance, filler compatibility and heat sealing performance, is widely used in foam material, functional films, packaging mold, hot melt adhesive, wire and cable and toys and other fields.