PC 沙伯基础(原GE) FXR123R 冰箱零件 耐寒 耐低温

SABIC LEXAN系列PC简介

聚碳酸酯(简称PC)是分子链中含有碳酸酯基的高分子聚合物，根据酯基的结构可分为脂肪族、芳香族、脂肪族-芳香族等多种类型。其中由于脂肪族和脂肪族-芳香族聚碳酸酯的机械性能较低，从而限制了其在工程塑料方面的应用。目前仅有芳香族聚碳酸酯获得了工业化生产。由于聚碳酸酯结构上的特殊性，现已成为五大工程塑料中增长速度最快的通用工程塑料。

化学性能

聚碳酸酯（PC）是碳酸的聚酯类，碳酸本身并不稳定，但其衍生物（如光气，尿素，碳酸盐，碳酸酯）都有一定稳定性。按醇结构的不同，可将聚碳酸酯分成脂族和芳族两类。

脂族聚碳酸酯。如聚亚乙基碳酸酯，聚三亚甲基碳酸酯及其共聚物，熔点和玻璃化温度低，强度差，不能用作结构材料；但利用其生物相容性和生物可降解的特性，可在药物缓释放载体，手术缝合线，骨骼支撑材料等方面获得应用。

聚碳酸酯耐弱酸，耐弱碱，耐中性油。

聚碳酸酯不耐紫外光，不耐强碱。

PC是一种线型碳酸聚酯，分子中碳酸基团与另一些基团交替排列，这些基团可以是芳香族，可以是脂肪族，也可两者皆有。双酚A型PC是最重要的工业产品。

PC是几乎无色的玻璃态的无定形聚合物，有很好的光学性。PC高分子量树脂有很高的韧性，悬臂梁缺口冲击强度为600~900J/m，未填充牌号的热变形温度大约为130°C ，玻璃纤维增强后可使这个数值增加10°C。PC的弯曲模量可达2400MPa以上，树脂可加工制成大的刚性制品。低于100°C 时，在负载下的蠕变率很低。PC耐水解性差，不能用于重复经受高压蒸汽的制品。

PC主要性能缺陷是耐水解稳定性不够高，对缺口敏感，耐有机化学品性，耐刮痕性较差，长期暴露于紫外线中会发黄。和其他树脂一样，PC容易受某些有机溶剂的浸浊。

PC材料具有阻燃性，耐磨。抗氧化性。

物理性能

密度：1.18－1.22 g/cm^3 线膨胀率：3.8×10^-5 cm/°C 热变形温度：135°C 低温-45°C

聚碳酸酯无色透明，耐热，抗冲击，阻燃BI级，在普通使用温度内都有良好的机械性能。同性能接近聚甲基丙烯酸甲酯相比，聚碳酸酯的耐冲击性能好，折射率高，加工性能好，不需要添加剂就具有UL94 V-0级阻燃性能。但是聚甲基丙烯酸甲酯相对聚碳酸酯价格较低，并可通过本体聚合的方法生产大型的器件。

聚碳酸酯的耐磨性差。一些用于易磨损用途的聚碳酸酯器件需要对表面进行特殊处理。

主要优点

1、具高强度及弹性系数、高冲击强度、使用温度范围广;

2、高度透明性及自由染色性;

3、成形收缩率低、尺寸安定性良好；

4、耐疲劳性佳;

5、耐候性佳;

6、电气特性优;

7、无味无臭对人体无害符合卫生安全。[5]

主要性能

a、机械性能：强度高、耐疲劳性、尺寸稳定、蠕变也小（高温条件下也极少有变化）；

b、耐热老化性：增强后的UL温度指数达120~140℃（户外长期老化性也很好）；

c、耐溶剂性：无应力开裂；

d、对水稳定性：高温下遇水易分解（高温高湿环境下使用需谨慎）；

e、电气性能：

1、绝缘性能：优良（潮湿、高温也能保持电性能稳定,是制造电子、电气零件的理想材料）；

2、介电系数：3.0-3.2；

3、耐电弧性：120s；

f、成型加工性：普通设备注塑或挤塑。

SABIC LEXAN系列

Lexan 201 7.0 MFR, for thicker sections without sinks.

Lexan 203 7.0 MFR, for thicker sections without sinks. Improved flame retardance.

Lexan 221 17.5 MFR, for small, intricate parts. Improved flame retardance.

Lexan 241 10.5 MFR. Improved flame retardance.

Lexan 243 10.5 MFR. UV-stabilized. Improved flame retardance.

Lexan 920 Opaque colors, low viscosity, superior flame retardance.

Lexan 920A Low viscosity injection moldable, flame retardant PC.

Lexan 920ASR More robust design of standard 900 series flame retardant grade.

Lexan 923 Opaque colors, low viscosity, superior flame retardance.

Lexan 923A Low viscosity, flame retardant with exceptional surface.

Lexan 923ASR More robust design of standard 900 series flame retardant grade.

Lexan 940 Opaque colors, medium viscosity, superior flame retardance.

Lexan 940A Medium viscosity, flame retardant PC. Exceptional surface.

Lexan 940ASR More robust design of standard 900 series flame retardant grade.

Lexan 943 Opaque colors, medium viscosity, superior flame retardance.

Lexan 943A Medium viscosity, superior flame retardance.

Lexan 943ASR More robust design of standard 900 series flame retardant grade.

Lexan 950 Opaque colors, high viscosity, superior flame retardance.

Lexan 950A Transparent, clear and colors, high viscosity, flame retardant with exceptional surface.

Lexan 953 Opaque colors, high viscosity, superior flame retardance.

Lexan 953A Clear, tints and opaque colors, high viscosity, flame retardant with exceptional surface.

Lexan 121 Nonhalogenated. 17.5 MFR, for small intricate parts.

Lexan 121R Nonhalogenated. 17.5 MFR, for small, intricate parts.

Lexan 123 Nonhalogenated. 17.5 MFR, for small, intricate parts.

Lexan 123R Nonhalogenated. 17.5 MFR, for small, intricate parts.

Lexan 141 Nonhalogenated. 10.5 MFR.

Lexan 141R Nonhalogenated. 10.5 MFR.

Lexan 143 Nonhalogenated. 10.5 MFR.

Lexan 143R Nonhalogenated. 10.5 MFR.

Lexan 201R 7.0 MFR, for thicker sections without sinks. Improved flame retardance.

Lexan 203R 7.0 MFR, for thicker sections without sinks. Improved flame retardance.

Lexan 221R 17.5 MFR, for small, intricate parts.

Lexan 223R 17.5 MFR, for small, intricate parts.

Lexan 241R 10.5 MFR. Improved flame retardance.

Lexan 243R 10.5 MFR. UV-stabilized. Improved flame retardance.

Lexan EM1210 Automotive interiors. Excellent heat/impact resistance and outstanding

Lexan EM2212 Automotive interiors. 10% glass-reinforced.

Lexan EM3110 Automotive interiors. Optimizes flow/processability for cost effective thinner wall design uses.

Lexan EM3110R Automotive interiors. Optimizes flow/processability for cost effective thinner wall design uses.

Lexan HF1110 General purpose grade. Good clarity, heat resistance, property retention and dimensional stability.

Lexan HF1110R High flow grade. Easy mold release version of LEXAN HF1110.

Lexan HF1130 UV-stabilized. Good clarity, heat resistance, property retention and dimensional stability.

Lexan LI1813R Low-viscosity multi-purpose PC having low levels of ionics species.

Lexan LI1911R Low-viscosity multi-purpose PC having low levels of ionics species.

Lexan ML3729 PC, Mold Release, UV-Stabilizer, Heat Stabilized,

Lexan 3412HF 20% glass reinforced, high flow PC. UL rated V-1 at 0.059",

Lexan 3412R 20% GR, provides improved mechanical properties and UL94 V-1 rated at 0.058".

Lexan 3413HF 30% glass reinforced, high flow PC.

Lexan 3413R 30% GR, provides improved mechanical properties and UL94V-1 rated at 0.058".

Lexan 3414R 40% GR, provides improved mechanical properties and UL94V-1 rated at 0.058".

Lexan 3433R 30% GR, provides improved mechanical properties. UV-stabilized. Internal mold release.

Lexan 500 10% GR PC. Optimum combination of high modulus plus excellent impact strength and flame retardance.

Lexan 500R 10% GR PC. Optimum combination of high modulus plus excellent impact strength and flame retardance.

Lexan 503 10% GR PC. Optimum combination of high modulus plus excellent impact strength and flame retardance.

Lexan 503R 10% GR PC. Optimum combination of high modulus plus excellent impact strength and flame retardance.

Lexan 4251R PPC EXL, Mold Release, Heat Stabilized, High Impact, Opaque.

Lexan 4301 PPC PC, Mold Release, Opaque,

Lexan 4401R PC/PPC Blend. Contains mold release.

Lexan 4501 High heat resistant polyphthlate carbonate, provides DTUL of 290F at 264 psi.

Lexan 4701R High heat resistant polyphthlate carbonate, provides DTUL of 300F at 264 psi.

Lexan 124 17.5 MFR, for small, intricate parts. FDA food contact compliant in limited colors.

Lexan 124R 17.5 MFR, for small, intricate parts. UL rated HB. 200 series recommended when V-2 rating required.

Lexan 144 10.5 MFR. FDA food contact compliant in limited colors.

Lexan 144R MFR 10.5. Internal mold release. FDA food contact compliant in limited colors.

Lexan 4504 High heat resistant PC copolymer, WITH DTUL OF 290F AT 264 psi.

Lexan 4704 High heat polycarbonate copolymer, with DTUL of 300F at 264 psi.

Lexan HF1140 Ideal for disposables/short life cycles.

Lexan HF1140R High flow grade. Heat stabilized. Enhanced level of mold release.

Lexan OQ4120R Optical grade with UV cut-off up to 400 nm, greater optical purity than standard grades.

Lexan OQ4320R Optical grade with UV cut-off up to 400 nm; greater optical purity than standard grades.

Lexan OQ4620R Optical grade with UV cut-off up to 400 nm, greater optical purity than standard grades.

Lexan OQ2720 Ophthalmic/safety lens market. OQ2xxx series in all transparent tints.

Lexan 3412ECR Lexan* 3412ECR Polycarbonate (PC) resin is a 20% glass fiber filled

Lexan 500ECR Lexan* 500ECR Polycarbonate (PC) resin is a 10% glass fiber filled, injection moldable grade.

Lexan 505R Polycarbonate (PC) resin is a 10% glass fiber filled

Lexan 915R Polycarbonate (PC) resin is a non-filled, injection moldable grade featuring non-chlorinated,

Lexan 925 Polycarbonate (PC) resin is a non-filled, injection moldable grade of non-chlorinated

Lexan 925A Polycarbonate (PC) resin is a non-filled, injection moldable grade of non-chlorinated

Lexan 925AU Polycarbonate (PC) resin is a non-filled, injection moldable grade of non-chlorinated

Lexan 925U Polycarbonate (PC) resin is a non-filled, injection moldable grade of non-chlorinated

Lexan 945 Polycarbonate (PC) resin is a non-filled, injection moldable grade.

Lexan 945A Polycarbonate (PC) resin is a non-filled, injection moldable grade.

Lexan 945ASR Polycarbonate (PC) resin is a non-filled, injection moldable grade of non-chlorinated,

Lexan 945AU Polycarbonate (PC) resin is a non-filled, injection moldable grade.

Lexan 945U Polycarbonate (PC) resin is a non-filled, injection moldable grade of non-chlorinated

Lexan 955 Polycarbonate (PC) resin is a non-filled, injection moldable grade of non-chlorinated

Lexan 955A Polycarbonate (PC) resin is a non-filled, injection moldable grade. This non-chlorinated

Lexan 955AU Polycarbonate (PC) resin is a non-filled, injection moldable grade of non-chlorinated

Lexan 955U Polycarbonate (PC) resin is a non-filled, injection moldable grade of non-chlorinated

Lexan 9945A Polycarbonate (PC) resin is a non-filled, injection moldable grade of non-chlorinated

Lexan BFL2000 PC, Flame Retardant, Mold Release, Opaque

Lexan BFL2000U Polycarbonat (PC) resin is an injection moldable grade containing non-brominated

Lexan BFL2010 Non-Brominated, Non-Chlorinated Flame retardant PC.

Lexan BFL2015 Non-Brominated, Non-Chlorinated Flame retardant PC.

Lexan BFL4000U Lexan* BFL4000U Polycarbonate resin is an injection grade.

Lexan BPL1000 Polycarbonate (PC) resin is an injection moldable grade of non-chlorinated

Lexan LS1 Automotive lens applications. Low viscosity.

Lexan LS2 Automotive lens applications. Medium viscosity.

Lexan LS3 Automotive lens applications. Medium-high viscosity.

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