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BASF Capron® 8253 Impact Modified Nylon 6 (Dry)  (discontinued **)
Categories: Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 6 (PA6); Nylon 6, Impact Grade
Material Notes: Capron 8253 is an unfilled type 6 graft copolymer developed for both injection molding and extrusion applications. It is also available in heat stabilized (Capron 8253 HS) and/or pigmented versions. Copolymerization results in improved dry as molded toughness and increased flexibility to meet higher impact performance compared to conventional unreinforced homopolymers. Good nylon thermal and chemical properties are maintained along with good strength and stiffness retention.

Capron 8253 is generally recommended for applications such as plugs, receptacles, flexible connector covers, weed trimmer components, clips, fasteners, flanges, key housings as well as many flexible tubing applications. ASTM Callout PA254 + PA0270 B40410.

Data provided by Allied Signal.

Processing: Max. water content 0.2%. 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: 240-270 degC (464-518 degF). Mold Temperature: 80-95 degC (176-203 degF). Injection and Packing Pressure: 35-125 bar (500-1500psi) A mold temperature of 80-95 degC (176-203 degF) is recommended, but temperatures of as low as 10 degC (50 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.

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 PropertiesOriginal ValueComments
Density 1.09 g/ccISO data
Water Absorption 1.5 %24 hrs; ISO data
Moisture Absorption at Equilibrium 2.3 %50% RH; 23°C; ISO data
Water Absorption at Saturation 8.1 %in water; 23°C; ISO data
Linear Mold Shrinkage 0.0090 cm/cmISO data
 0.012 cm/cmASTM data MD
Linear Mold Shrinkage, Transverse 0.019 cm/cmISO Data
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Ultimate 60.0 MPaASTM data at 5 mm/min.
Tensile Strength, Yield 65.0 MPa50 mm/min; Same value from ASTM and ISO test.
Elongation at Break >= 50 %Nominal
 >= 100 %Nominal
Elongation at Yield 4.0 %ISO Value at 50 mm/min.
 4.0 %ASTM Value at 50 mm/min.
Tensile Modulus 2.53 GPasame value from ASTM and ISO test.
Flexural Yield Strength 90.0 MPaASTM Data
Flexural Modulus 2.165 GPaISO Value
 2.21 GPaASTM Value
Poissons Ratio 0.35ISO data
Shear Modulus 0.900 GPacalculated
Charpy Impact, Notched 1.40 J/cm²ISO Data
 0.600 J/cm²
@Temperature -30.0 °C		ISO data
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity >= 1.00e+15 ohm-cmISO data
Comparative Tracking Index 600 VISO data
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 88.0 µm/m-°C
@Temperature 20.0 °C		ISO data
CTE, linear, Transverse to Flow 93.0 µm/m-°C
@Temperature 20.0 °C		ISO data
Melting Point 220 °CASTM and ISO test
Deflection Temperature at 0.46 MPa (66 psi) 155 °CISO data
 168 °CASTM Data
Deflection Temperature at 1.8 MPa (264 psi) 56.0 °CISO data
 60.0 °CASTM Data
Flammability, UL94 HB
@Thickness 0.750 mm
 HB
@Thickness 3.00 mm
 
Processing PropertiesOriginal ValueComments
Processing Temperature 280 °CSee Materials Notes
Mold Temperature 70.0 °CSee Materials Notes
Drying Temperature 85.0 °CSee 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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