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Rulon Bearings

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Spartech Royalite R561M Low Smoke Resin  (discontinued **)
Categories: Polymer; Thermoplastic

Material Notes: Data provided by the manufacturer. Also formulated to meet FTA smoke and fire specifications, R-561M offers performance characteristics similar to those of R-61M, and is an excellent choice for office furniture components and trim, as well as less demanding mass-transit applications.

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Physical PropertiesOriginal ValueComments
Density 1.44 g/ccASTM D792
Water Absorption 0.010 %24 hrs. ASTM D570
Viscosity 207200 cP
@Shear Rate 3000 1/s,
Temperature 191 °C
Melt Viscosity
Linear Mold Shrinkage 0.0040 cm/cmASTM D955
Melt Flow 4.68 g/10 min
@Load 5.00 kg,
Temperature 200 °C
Condition G; ASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell R 98ASTM D785
Tensile Strength, Yield 39.0 MPaASTM D638
Modulus of Elasticity 2.20 GPaASTM D638
Flexural Yield Strength 61.8 MPaASTM D790
Flexural Modulus 2.50 GPaASTM D790
Izod Impact, Notched 1.60 J/cmASTM D256
 0.600 J/cm
@Temperature -20.0 °C
ASTM D256
 
Thermal PropertiesOriginal ValueComments
CTE, linear 128 µm/m-°C
@Temperature 20.0 °C
ASTM E831
Deflection Temperature at 0.46 MPa (66 psi) 77.0 °CAnnealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 71.0 °CAnnealed; ASTM D648
Vicat Softening Point 78.0 °CASTM D1525
Flammability, UL94 V-0
@Thickness 0.787 mm
Oxygen Index 41.7 %ASTM D2863

**
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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