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Rulon Bearings

BASF Capron® BU50I Ultratough Nylon 6 (Dry)  (discontinued **)
Categories: Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 6 (PA6)
Material Notes: Capron Ultratough Nylon BU50I is an unfilled nylon 6 product that maintains its impact strength and ductility to -40 deg F (-40 deg C). The extreme low temperature tolerance of Ultratough Nylon BU50I makes it ideal for applications in which the weldline impact strength at low temperatures is critical.

Capron BU50I is generally recommended for automotive components, small engines, power tool parts and casings, cold weather and high impact supports gear, such as snowboards, ski components, helmets and hockey masks.

Data provided by Allied Signal.

Processing: Max. water content 0.15%. Product is supplied in sealed containers and drying is not required. If drying becomes necessary, a dehumidifying or desiccant dryer operating at 85°C (185 °F). Is recommended. Drying time is dependent on moisture level.

Melt Temperature: 270-315 degC (520-600 degF). Mold Temperature: 70 degC (158 degF). Injection and Packing Pressure: 35-125 bar (500-1500psi) A mold temperature of 70 degC (158 degF) is recommended, but temperatures of 10-85 degC (50-185 degF) can be used where applicable. Injection pressure controls the filling of the part and should be applied for 90% of ram travel. Packing pressure affects the final part and can be used effectively in controlling sink marks and shrinkage. It should be applied and maintained until the gate area is completely frozen off. Fast fill rates are recommended to insure uniform melt delivery to the cavity and prevent premature freezing. Injection speeds of one inch of ram travel per second are typical.

Capron® is no longer a part of the BASF standard line. The BASF nylon products have been consolidated in the Ultramid ® line.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.06 g/cc0.0383 lb/in³ISO data
Moisture Absorption at Equilibrium 2.1 %2.1 %50% RH; 23°C; ISO data
Water Absorption at Saturation 7.3 %7.3 %in water; 23°C; ISO data
Linear Mold Shrinkage 0.015 cm/cm0.015 in/inASTM Data MD
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 45.0 MPa6530 psiASTM data at 5 mm/min.
Tensile Strength, Yield 48.0 MPa6960 psiISO value at 50 mm/min.
 50.0 MPa7250 psiASTM value at 50 mm/min.
Elongation at Break >= 50 %>= 50 %Nominal
 >= 100 %>= 100 %Nominal
Tensile Modulus 1.84 GPa267 ksisame value from ASTM and ISO test.
Flexural Yield Strength 65.0 MPa9430 psiASTM Data
Flexural Modulus 1.69 GPa245 ksiASTM Data
Poissons Ratio 0.350.35ISO data
Shear Modulus 0.700 GPa102 ksicalculated
Charpy Impact, Notched NBNBISO Data
 
Thermal PropertiesMetricEnglishComments
Melting Point 220 °C428 °FASTM and ISO test
Deflection Temperature at 1.8 MPa (264 psi) 50.0 °C122 °FASTM Data
Flammability, UL94  HB
@Thickness 0.750 mm		HB
@Thickness 0.0295 in
 HB
@Thickness 3.00 mm		HB
@Thickness 0.118 in
 
Processing PropertiesMetricEnglishComments
Drying Temperature 85.0 °C185 °FSee Materials Notes

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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