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Rulon Bearings

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Röhm CyRex® 953 Acrylic-Polycarbonate Alloy  (discontinued **)
Categories: Polymer; Thermoplastic; Acrylic (PMMA); Acrylic/Polycarbonate Alloy; Polycarbonate (PC)

Material Notes: CYREX 953 alloy is an opaque, acrylic-polycarbonate alloy with an impact strength that is higher than polycarbonate. Typical properties of CYREX acrylic-polycarbonate alloy are:
  • outstanding impact strength and toughness
  • excellent processing characteristics
  • very good chemical resistance
  • good heat resistance
The special property of CYREX 200-8005 alloy is
  • high impact strength at cold temperature
  • high melt flow rate
Application: Used for injection molding and extrusion of both thin and thick wall applications.

Information Provided by Evonik CYRO. The former Evonik Methacrylates business has been sold to Röhm (Roehm) GmbH.

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
Specific Gravity 1.15 g/ccASTM D792
Bulk Density 0.650 g/ccASTM D1895
Water Absorption <= 0.26 %ASTM D570
Linear Mold Shrinkage 0.0040 - 0.0080 cm/cmASTM D951
Melt Flow 1.9 g/10 min
@Load 3.80 kg,
Temperature 230 °C
ASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell M 44ASTM D785
Tensile Strength at Break 7860 psiASTM D638
Elongation at Break 88 %ASTM D638
Elongation at Yield 4.2 %ASTM D638
Tensile Modulus 300 ksiASTM D638
Flexural Strength 12500 psiASTM D790
Flexural Modulus 300 ksiASTM D790
Izod Impact, Notched 26.1 ft-lb/in
@Diameter 3.17 mm
bar; ASTM D256
 17.1 ft-lb/in
@Diameter 6.35 mm,
Temperature 0.000 °C
BAR; ASTM D256
 
Thermal PropertiesOriginal ValueComments
CTE, linear 52.0 µin/in-°F
@Temperature 0.000 - 100 °C
ASTM D696
Deflection Temperature at 1.8 MPa (264 psi) 217 °F
@Thickness 6.35 mm
Annealed; ASTM D648
Vicat Softening Point 275 °FASTM D1525
 
Optical PropertiesOriginal ValueComments
Transmission, Visible 0.0 %Opaque; ASTM D1003
 
Processing PropertiesOriginal ValueComments
Middle Barrel Temperature 390 - 510 °FCylinder Temp
Melt Temperature 460 - 510 °F
Mold Temperature 150 - 210 °F
Drying Temperature 180 °F
Dry Time 3 - 4 hour

**
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Röhm CyRex® 200-8005 Acrylic-Polycarbonate Alloy
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Evonik CYREX® Protect Acrylic-polycarbonate alloy
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