含氟聚合物20%，高强度，抗溶解性，有弹性

 

Radici Compounds AC90F20L

乙缩醛（POM）共聚物

Radici Plastics USA, Inc.

Technical Data

 

产品说明

 

AC90F20L is an acetal copolymer composition containing 20% by weight of a specially selected fluoropolymer, finely dispersed throughout the base resin. This compound offers a viscosity suitable for general purpose injection molding applications.

 

Although acetal copolymer is one of only a few thermoplastics to naturally exhibit excellent bearing performance, the incorporation of this fluoropolymer minimizes "stick/slip" behavior, and substantially enhances PV capabilities throughout a wide range of pressure/velocity combinations, but especially at velocities up to 100 ft./min.

 

Acetal copolymer exhibits an exceptional balance of properties, including high strength and rigidity, a unique resilience,

outstanding static and dynamic fatigue strength, and resistance to a very wide range of solvents, oils, greases and chemicals, including strong alkalis. Retention of performance after long term high temperature exposure in air or water has been proven in a wide range of demanding applications.

 

This composition should be considered for applications where these characteristics, together with the outstanding dimensional stability typical of acetal polymer, are required, in combination with excellent low friction and wear characteristics, particularly where the use of externally applied lubricants is not acceptable.

 

总体

 

材料状态 • 已商用：当前有效

资料 1 •  Technical Datasheet (English)

Search for UL Yellow Card •  Radici Plastics USA, Inc.

供货地区 • 北美洲

填料/增强材料 • 含氟聚合物, 20% 填料按重量

• 尺寸稳定性良好 • 耐化学性良好 • 耐油性能

性能特点 • 刚性，高 • 耐碱 • 耐油脂性能

• 高强度 • 耐磨损性良好 • 一般目的

• 抗溶解性 • 耐疲劳性能 • 有弹性

用途 • 一般目的

加工方法 • 注射成型

 

物理性能 额定值单位制 测试方法

比重 1.52g/cm³ ASTM D792

收缩率 - 流动 (3.18 mm) 1.8 到 2.2% ASTM D955

吸水率 (24 hr) 0.12% ASTM D570

机械性能 额定值单位制 测试方法

抗张强度 (屈服) 45.5MPa ASTM D638

伸长率 (断裂) 15 到 20% ASTM D638

弯曲模量 2240MPa ASTM D790

弯曲强度 72.4MPa ASTM D790

摩擦系数 ASTM D1894

与钢 - 动态 0.18 到 0.20

与钢 - 静态 0.10 到 0.12

冲击性能 额定值单位制 测试方法

悬壁梁缺口冲击强度 (3.18 mm) 32 到 37J/m ASTM D256

热性能 额定值单位制 测试方法

热变形温度 (1.8 MPa, 未退火) 90.0°C ASTM D648

熔融温度 165°C ASTM D789

注射 额定值单位制

干燥温度 76.7 到 87.8°C

干燥时间 1.0 到 2.0hr

建议注入量 40 到 70%

螺筒后部温度 188°C

螺筒中部温度 193°C

螺筒前部温度 199°C

 

 

Radici Compounds AC90F20L

乙缩醛（POM）共聚物

Radici Plastics USA, Inc.

注射 额定值单位制

加工（熔体）温度 177 到 216°C

模具温度 82.2 到 116°C

背压 0.345MPa

螺杆转速 40 到 80rpm

垫层 3.18 到 6.35mm

 

 

 

 

 

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