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SABIC Innovative Plastics Lexan® 4251R PPC+PC

Category Polymer , Thermoplastic , Polyphthalate Carbonate
Manufacturer SABIC Innovative Plastics (GE Plastics)
Trade Name Lexan®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF SABIC Innovative Plastics Lexan® 4251R PPC+PC.pdf
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Material Notes:
High heat polycarbonate copolymer blend with an excellent balance of heat resistance, processability, and impact strength. Available in a range of opaque colors.
Physical Properties Metric English Comments
Specific Gravity 1.20 g/cc
1.20 g/cc
ASTM D792
Density 1.10 g/cc
0.0397 lb/in³
ISO 1183
Moisture Absorption 0.0900 %
0.0900 %
23°C / 50% RH; ISO 62
Water Absorption at Saturation 0.24 %
0.24 %
ISO 62
Linear Mold Shrinkage, Flow 0.0060 - 0.0080 cm/cm

@Thickness 3.20 mm
0.0060 - 0.0080 in/in

@Thickness 0.126 in
SABIC Method
Melt Flow 5.6 g/10 min

@Load 1.20 kg,
Temperature 300 °C
5.6 g/10 min

@Load 2.65 lb,
Temperature 572 °F
ASTM D1238
Melt Index of Compound 31 g/10 min

@Load 2.16 kg,
Temperature 330 °C
31 g/10 min

@Load 4.76 lb,
Temperature 626 °F
MVR [cm^3/10 min]; ISO 1133
Mechanical Properties Metric English Comments
Tensile Strength at Break 59.0 MPa
8560 psi
50 mm/min; ISO 527
63.0 MPa
9140 psi
Type I, 50 mm/min; ASTM D638
Tensile Strength, Yield 62.0 MPa
8990 psi
50 mm/min; ISO 527
64.0 MPa
9280 psi
Type I, 50 mm/min; ASTM D638
Elongation at Break 96.1 %
96.1 %
50 mm/min; ISO 527
102 %
102 %
Type I, 50 mm/min; ASTM D638
Elongation at Yield 6.6 %
6.6 %
50 mm/min; ISO 527
6.7 %
6.7 %
Type I, 50 mm/min; ASTM D638
Tensile Modulus 2.16 GPa
313 ksi
1 mm/min; ISO 527
2.18 GPa
316 ksi
50 mm/min; ASTM D638
Flexural Yield Strength 101 MPa
14600 psi
1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus 2.04 GPa
296 ksi
2 mm/min; ISO 178
2.23 GPa
323 ksi
1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched 6.39 J/cm
12.0 ft-lb/in
ASTM D256
3.31 J/cm

@Temperature -30.0 °C
6.20 ft-lb/in

@Temperature -22.0 °F
ASTM D256
Izod Impact, Notched (ISO) 43.0 kJ/m²
20.5 ft-lb/in²
80*10*4; ISO 180/1A
20.0 kJ/m²

@Temperature -30.0 °C
9.52 ft-lb/in²

@Temperature -22.0 °F
80*10*4; ISO 180/1A
Charpy Impact, Notched 4.80 J/cm²
22.8 ft-lb/in²
Edgew 80*10*4 sp=62mm; ISO 179/1eA
Dart Drop, Total Energy 75.0 J

@Temperature 23.0 °C
55.3 ft-lb

@Temperature 73.4 °F
ASTM D3763
78.0 J

@Temperature -30.0 °C
57.5 ft-lb

@Temperature -22.0 °F
ASTM D3763
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 61.6 µm/m-°C

@Temperature -40.0 - 40.0 °C
34.2 µin/in-°F

@Temperature -40.0 - 104 °F
ASTM E 831
61.6 µm/m-°C

@Temperature -40.0 - 40.0 °C
34.2 µin/in-°F

@Temperature -40.0 - 104 °F
ISO 11359-2
CTE, linear, Transverse to Flow 67.3 µm/m-°C

@Temperature -40.0 - 40.0 °C
37.4 µin/in-°F

@Temperature -40.0 - 104 °F
ASTM E 831
67.3 µm/m-°C

@Temperature -40.0 - 40.0 °C
37.4 µin/in-°F

@Temperature -40.0 - 104 °F
ISO 11359-2
Deflection Temperature at 1.8 MPa (264 psi) 134 °C
273 °F
Flatw 80*10*4 sp=64mm; ISO 75/Af
136 °C

@Thickness 3.20 mm
277 °F

@Thickness 0.126 in
unannealed; ASTM D648
Vicat Softening Point 155 °C
311 °F
Rate B/50; ISO 306
156 °C
313 °F
Rate B/50; ASTM D1525
157 °C
315 °F
Rate B/120; ISO 306
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