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塑料制品生产厂家严把质量大关力争行业上游
当前，我国模具工业发展迅速，对模具钢材的数量、质量、品种、规格、性能等提出了更高的要求。近年来，国内外模具钢材的产量、生产技术、工艺装备、质量、品种等方面都取得了较大发展。随着注塑模具质量要求的提高，各国在原有的冷作模具钢材、热作模具钢材和塑料模具钢三大类的基础上，相继开发了不少新钢种。模具钢材的发展推动了工业产品向高级化、高附加值化方向发展。
调查显示，我国模具钢材的产量近20年来增长很快，领先于其他钢类，模具钢材的产量占合金工具钢的80%左右，2012年我国模具钢消费额达到1170亿元，2014年我国模具钢材规模企业实现销售收入1800多亿元。我国连续7年成为全球模具钢材消费量最大的国家，占全球消费量的23%。我国虽然是全球模具钢材生产大国，但是供需缺口达到850亿元，进口依存度超过50%，且高档注塑模具的钢材大多依靠进口。受国际经济复苏缓慢和经济增速回落的影响，国内模具钢铁行业继续呈现出市场需求不旺、钢价低位波动、原材料价格居高不下和经济效益下滑的运行态势。虽然模具钢铁企业采取各种措施降本增效，但面临的经营形势仍很严峻，模具钢铁行业高成本、低效益的局面短期难以扭转。随着塑料工业的迅速发展，塑料制品日益普及，现已广泛应用于各行各业。近年来，由于汽车、建筑、家用电器、食品、医药等产业对注塑制品的需求日益增长，注塑加工成型技术水平也得到了逐步发展和提高。
随着注塑加工的发展及国际市场的不断扩大，给塑机辅机及周边设备的市场带来了更大的市场和更多的商机，以往，中国客户大都只注重加工设备的投资，而选购相对较为廉价的辅机及周边设备。随着汽车、移动电话、电子电器、食品饮料包装、塑料建材等市场的迅猛发展，为之配套的塑料制品加工商为了满足终端市场对高品质塑料产品的需求，开始选择与整厂自动化方案提供商合作。拓斯达也因此成为工厂整体自动化解决方案领域的第一品牌，为用户在整厂规划、自动取出、非标应用、原料输送、除湿干燥、模具温控、计量混配等领域量身打造专属方案。
为实现注塑加工行业快速、稳定、健康地发展,在与多家注塑加工企业交流中,总结出在重视技术、营业、管理、生产等方面的同时，也要重视发展与创新。
塑料制品的生产过程非常复杂。其中，注塑加工成型是塑料制品的一种重要成型方式，在目前的工程塑料业中，80%采用了注塑加工成型。注塑加工成型的工艺非常复杂，塑料制品的成型加工质量也因此受到很多因素的影响，例如注塑机械、注塑模具的设计参数、注射压力、成型温度、工件的几何形状和尺寸等。
如今，由于注塑成型加工的工艺不断发展，这一工艺产品的应用范围不断扩展和变化，人们对塑料制品的要求也越来越高。一般来说，制品成型质量主要包括制品外观、制品尺寸精度以及制品的物理性能等，造成这些缺陷的原因是多方面的。在塑料制品的生产过程中，成型不足是注塑加工成型过程中常见的质量问题，它会造成塑料零件的缺损从而报废。因此，必须对这一工艺严格控制，严把塑料产品的质量大关。
部分型号部分物性表
PA12 (poly twelve lactam # nylon 12) /3020 X29L/ Europe Ube
Use: other
Characteristic notes: impact resistance, high; good adhesion; abrasion resistance, good
Important beters: melt flow rate: 15 g/10min density: 1.01 g/cm3 water absorption: 0.6% bending strength: 53 MPa flexural modulus: 1400 MPa
Manufacturer: Ube chemical Europe Ltd
PA12 (poly twelve lactam # nylon 12) /D927/ o Xie Li
Use: other
Characteristic notes: good dimensional stability, chemical resistance, good toughness, corrosion resistance, low water absorption
Important beters: density: 1.03 g/cm3 water absorption: 0.2% notch impact strength: 160 tensile strength: 49 MPa fracture elongation: 330% flexural modulus: 621 MPa
Manufacturer: Al Shele Polymer Co, USA
PA12 (poly twelve lactam # nylon 12) /FM-PG337/ Japan Sumitomo bakelite
Use: other
Characteristic notes: Organic packing.
Important beters: density: 3.59 g/cm3 water absorption: 0.02% molding shrinkage: 0.5% notched impact strength: 46 tensile strength: 65 MPa, elongation at break: 0.4% bending strength: 99 MPa flexural modulus: 12000 MPa hardness: 115 thermal debing temperature: 139 degrees.
Manufacturer: Japan Sumitomo bakelite Corp
PA12 (poly twelve lactam # nylon 12) /P3014 UMX/ Europe Ube
Use: other
Characteristic notes: low viscosity; good molding perbance; good fluidity; thermal stability.
Important beters: melt flow rate: 19 g/10min density: 1.02 g/cm3 water absorption: 0.5% bending strength: 49 MPa flexural modulus: 1200 MPa
Manufacturer: Ube chemical Europe Ltd
PA12 (poly twelve lactam # nylon 12) /925/ o Xie Li
Use: other
Characteristic notes: good dimensional stability, good chemical resistance, good toughness, good corrosion resistance and low water absorption
Important beters: density: 1.02 g/cm3 tensile strength: 57.9 MPa fracture elongation: 270% flexural modulus: 1240 MPa thermal debation temperature: 51.7 C
Manufacturer: Al Shele Polymer Co, USA
PA12 (poly twelve lactam # nylon 12) /3030 JLX8/ Europe Ube
Use: other
Characteristic notes: by plasticizing; anti UV perbance; machinability, good quality
Important beters: melt flow rate: 13 g/10min density: 1.01 g/cm3 water absorption: 0.6% bending strength: 20 MPa flexural modulus: 400 MPa
Manufacturer: Ube chemical Europe Ltd
PA12 (poly twelve lactam # nylon 12) /3030 U/ Europe Ube
Use: other
Characteristic notes: good dimensional stability; machinability, good; thermal stability; poor moisture absorption; viscosity, high
Important beters: melt flow rate: 3 g/10min density: 1.02 g/cm3 water absorption: 0.7% bending strength: 59 MPa flexural modulus: 1400 MPa
Manufacturer: Ube chemical Europe Ltd
PA12 (poly twelve lactam # nylon 12) 55 /TR LZ/ EMS in Switzerland
Use: other
Characteristic notes: high ESCR (anti stress cracking); high strength; alcohol resistance
Important beters: density: 1.02 g/cm3 water absorption: 2.5% molding shrinkage: 0.6% notch impact strength: 8 thermal debation temperature: 85 centigrade
Manufacturer: EMS, Switzerland
PA12 (poly twelve lactam # nylon 12 /LX9102/ Evonik Degussa)
Use: pipe level
Characteristic notes: low viscosity, machinability, good surface finish
Important beters: density: 1.12 g/cm3 water absorption: 1.5% notch impact strength: 5 flexural modulus: 560 MPa thermal debation temperature: 120 centigrade
Manufacturer: Germany Evonik Degussa company
PA12 (poly twelve lactam # nylon 12 /LX9110/ Evonik Degussa)
Use: pipe level
Characteristic notes: low viscosity, machinability, good surface finish
Important beters: density: 1.12 g/cm3 water absorption: 1.5% notch impact strength: 5 flexural modulus: 560 MPa thermal debation temperature: 120 centigrade
Manufacturer: Germany Evonik Degussa company
PA12 (poly twelve lactam # nylon 12 /X7166/ Evonik Degussa)
Use: wire and cable
Characteristic notes: low viscosity phosphorus content, low (to no) no halogen-free mobility to self extinguishing flame retardancy
Important beters: density: 1.06 g/cm3 notch impact strength: 5 thermal debation temperature: 140 C
Manufacturer: Germany Evonik Degussa company
PA12 (poly twelve lactam # nylon 12) /3020 X15/ Europe Ube
Use: wire and cable
Characteristic notes: good dimensional stability; machinability and good; poor moisture absorption; medium viscosity
Important beters: melt flow rate: 20 g/10min density: 1.02 g/cm3 water absorption: 0.6% bending strength: 57 MPa flexural modulus: 1400 MPa
Manufacturer: Ube chemical Europe Ltd
PA12 (poly twelve lactam # nylon 12) /3035 JU5/ Europe Ube
Use: other
Characteristic notes: by plasticizing; machinability, good; good flexibility; thermal stability
Important beters: melt flow rate: 14 g/10min density: 1.03 g/cm3 water absorption: 0.7% bending strength: 10 MPa flexural modulus: 200 MPa
Manufacturer: Ube chemical Europe Ltd
PA12 (poly twelve lactam # nylon 12) /D930/ o Xie Li
Use: other
Characteristic notes: good flexibility, chemical resistance, good toughness, corrosion resistance, low water absorption
Important beters: density: 1.03 g/cm3 water absorption: 0.2% notched impact strength: 251 tensile strength: 45.5 MPa, elongation at break: 260% bending modulus: 379 MPa, hot debation temperature: 51.7 degrees.
Manufacturer: Al Shele Polymer Co, USA
PA12 (poly twelve lactam # nylon 12) /GF15TF15/ Infinity
Use: other
Feature remark: glass fiber reinforced material, 15% packing by weight
Important beters: density: 1.23 g/cm3 water absorption: 0.1% molding shrinkage: 0.4% notched impact strength: 140 tensile strength: 80.7 MPa, bending modulus: 3100 MPa, hot debation temperature: 160 degrees.
Manufacturer: Infinity Polymer Co, USA
PA12 (poly twelve lactam # nylon 12) /LX91
