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PCTA Eastman Eastar Copolyester BR003, Natural PCTA Copolyester

分类: PCTA   出处:仁捷塑化  更新时间:2017-06-10   添加到收藏  

 

Eastman Eastar Copolyester BR003, Natural PCTA Copolyester

Polymer,Thermoplastic,Polyester, TP,PCTA Polyester Alloy,Polycyclohexylenedimethylene Terephthalate (PCT)

Eastman Chemical

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产品说明:

EASTAR BR003 Copolyester contains a mold release additive. It has excellent appearance and is nearly water-clear. Its most outstanding features are its chemical resistance and processing capabilities. Exposure to aromatic oils often causes crazing or actual fracture of many polymer resins, but BR003 maintains its physical properties when exposed to these oils, and its appearance is virtually unchanged. BR003 is specifically formulated to provide the optimal combination of chemical resistance, bristle retention, strength, stiffness, processability, clarity, colorability, and feel for toothbrushes. Under existing United States Food and Drug Administration(FDA) regulations, EASTAR BR003 copolyester may lawfully be used to make food contact articles which comply with the specifications and conditions of use in 21 CFR 177.1240. Migration tests on BR003 samples meet the compliance requirements of 21 CFR 177.1240(e)(1),(2) and (3).

Applications: Toothbrushes

Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.

Information provided by Eastman Chemical.

astman Eastar Copolyester BR003, Natural PCTA Copolyester 物性表
物理性能 额定值 (公制) 额定值 (英制) 测试方法
密度 1.20 g/cc 0.0434 lb/in³ ASTM D792
线性成型收缩率,Flow 0.0040 cm/cm
@Thickness 3.20 mm
0.0040 in/in
@Thickness 0.126 in
ASTM D955
机械性能 额定值 (公制) 额定值 (英制) 测试方法
洛氏硬度(R 级) 103 103 ASTM D785
极限抗拉强度 46.0 MPa 6670 psi ISO 527
  51.0 MPa 7400 psi ASTM D638
抗张强度(屈服) 47.0 MPa 6820 psi ASTM D638 and ISO 527
伸长率 (断裂) 200 % 200 % ISO 527
屈服伸长率 4.0 % 4.0 % ISO 527
拉伸模量 1.80 GPa 261 ksi ISO 527
弯曲强度 65.0 MPa 9430 psi ISO 178
  69.0 MPa 10000 psi ASTM D790
弯曲模量 1.85 GPa 268 ksi ISO 178
悬壁梁缺口冲击强度 0.800 J/cm 1.50 ft-lb/in ASTM D256
  0.400 J/cm
@Temperature -40.0 °C
0.749 ft-lb/in
@Temperature -40.0 °F
ASTM D256
热性能 额定值 (公制) 额定值 (英制) 测试方法
载荷下热变形温度(0.46 MPa) 73.0 °C 163 °F ASTM D648
载荷下热变形温度(1.8 MPa) 65.0 °C 149 °F ASTM D648
光学性能 额定值 (公制) 额定值 (英制) 测试方法
雾度 0.30 % 0.30 % ASTM D1003
Transmission, Visible 89 % 89 % Regular transmittance per ASTM D 1003
  91 % 91 % Total Transmittance; ASTM D 1003
加工性能 额定值 (公制) 额定值 (英制) 测试方法
加工(熔体)温度 255 °C 491 °F  
模具温度 22.5 °C 72.5 °F  
干燥温度 70.0 °C 158 °F

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Tag: BR003