CyRex® 953 Acrylic-Polycarbonate Alloy

Technical Documents

CYREX 953 alloy is an opaque, acrylic-polycarbonate alloy with an impact strength that is higher than polycarbonate.

Details Compound

Product Type

Polymer > Acrylics & Acrylic Copolymers
Polymer > Polycarbonate

Applications

Polymers industry > Extrusion profiles sheet
Polymers industry
Polymers industry > Injection moulding

Producer

Evonik

Supplier

Evonik Iran

Advantages
  • outstanding impact strength
  • excellent toughness
  • excellent processing characteristics
  • very good chemical resistance
  • good heat resistance
  • high impact strength at cold temperature
  • high melt flow rate
Other Applications

Used for injection molding and extrusion of both thin and thickwall applications.

Technical data

Quantity Value Unit Comment
Physical Properties
Specific Gravity 1.15 ASTM D792
Melting range 238 - 266 ºC
MFI 1.9 g/10min ASTM D1238@Load 3.80 kg, Temperature 230 °C
Bulk density 0.650 g/ml ASTM D1895
Linear Mold Shrinkage 0.0040 - 0.0080 cm/cm ASTM D951
Thermal Properties
Thermal Expansion 93.6 µm/m-°C linear;ASTM D696@Temperature 0.000 -100 °C
Heat Deflection temperature 103 ºC Annealed; ASTM D648@Thickness 6.35 mm; at 1.8 MPa
Vicat softening temperature 135 ºC ASTM D1525
Dry Time 180 - 240 min
Mechanical Properties
Izod impact strength (notched) 913 J/m BAR; ASTM D256@Diameter 6.35 mm,Temperature 0.000 °C
Flexural strength 86.2 MPa ASTM D790
Elongation at yield 4.2 % ASTM D638
Flexural modulus-MD 2070 MPa ASTM D790
Izod impact strength (notched) 1390 J/m bar; ASTM D256@Diameter 3.17 mm
Elongation at break-MD 88 % ASTM D638
Tensile modulus-MD 2070 MPa ASTM D638
Tensile Stress at break-MD 54.2 MPa ASTM D638
Rockwell Hardness 44 Rockwell M; ASTM D785
Chemical Properties
Water absorption <0.26 % ASTM D570
Optical Properties
Transmittance 0.0 % visible;Opaque; ASTM D1003
Process Properties
Middle Barrel Temperature 199 - 266 ºC Cylinder Temp
Mold Temperature 65.6 - 98.9 ºC
Drying Temperature 82.2 ºC