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Rulon Bearings

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Mocom (ALBIS) ALCOM® PBT 700/1 GF30 TF15 SI2 PBT, 30% Glass Fibers, 15% PTFE, 2% Silicone Reinforced
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Glass Fiber + PTFE Filled

Material Notes: Base Polymer: Polybutylene Terephthalate

Filler/Additive System: 30% Glass fibers, 15% PTFE, 2% silicone

Special Features: Improved sliding/wear, heat ageing stabilization, high stiffness

Market Segment: Automotive, Machinery

Application Area: Gear wheels, roller bearings

Typical Application: Functional components, bearings and sliding elements

Information provided by Albis Plastics

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Physical PropertiesOriginal ValueComments
Density 1.63 g/ccISO 1183
Linear Mold Shrinkage, Flow 0.0030 - 0.0050 cm/cm
@Time 86400 sec
ISO 294-4
Linear Mold Shrinkage, Transverse 0.0060 - 0.010 cm/cm
@Time 86400 sec
ISO 294-4
Storage Temperature <= 30.0 °Cdry, protected from light
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 115 MPaISO 527
Elongation at Break 2.6 %ISO 527
Tensile Modulus 9800 MPaISO 527
Flexural Strength 175 MPaISO 178
Flexural Modulus 8600 MPaISO 178
Charpy Impact Unnotched 50.0 kJ/m²ISO 179/1eU
Charpy Impact, Notched 9.00 kJ/m²ISO 179/1eA
 
Electrical PropertiesOriginal ValueComments
Surface Resistance <= 1.00e+12 ohmDIN EN 62631-3-2
 
Thermal PropertiesOriginal ValueComments
Melting Point 227 °CISO 11357
Deflection Temperature at 1.8 MPa (264 psi) 214 °CISO 75-1/-2
Vicat Softening Point 212 °CB50; ISO 306
 
Processing PropertiesOriginal ValueComments
Melt Temperature 250 - 270 °CInjection molding
Mold Temperature 80.0 - 120 °CInjection molding
Drying Temperature 100 - 120 °C
@Time 7200 - 14400 sec
in a dry air (desiccant) dryer
 100 - 120 °C
@Time 14400 - 28800 sec
in an circulating dryer
 
Descriptive Properties
Base PolymerPolybutylene Terephthalate

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