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SABIC Innovative Plastics Lexan® SD1278 PC Copolymer

Category Polymer , Thermoplastic , Polycarbonate (PC)
Manufacturer SABIC Innovative Plastics (GE Plastics)
Trade Name Lexan®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF SABIC Innovative Plastics Lexan® SD1278 PC Copolymer.pdf
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Material Notes:
Lexan* SD1278 polycarbonate (PC) siloxane copolymer resin is a transparent extrusion grade for food contact applications for sheet extrusion. This resin offers extreme low temperature (-40 °C) ductility. Lexan SD1278 resin is an FDA compliant product available in transparent colors and is an excellent candidate for extrusion/blow molding food contact applications.
Physical Properties Metric English Comments
Specific Gravity 1.19 g/cc
1.19 g/cc
ASTM D792
Density 1.19 g/cc
0.0430 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 0.0040 - 0.0080 cm/cm

@Thickness 3.20 mm
 0.0040 - 0.0080 in/in

@Thickness 0.126 in
 SABIC Method
Melt Flow 6.0 g/10 min

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

@Load 2.65 lb,
Temperature 572 °F
 ASTM D1238
Melt Index of Compound 6.0 g/10 min

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

@Load 2.65 lb,
Temperature 572 °F
 MVR [cm^3/10 min]; ISO 1133
Mechanical Properties Metric English Comments
Tensile Strength at Break 61.0 MPa
8850 psi
50 mm/min; ISO 527
64.0 MPa
9280 psi
Type I, 50 mm/min; ASTM D638
Tensile Strength, Yield 57.0 MPa
8270 psi
50 mm/min; ISO 527
58.0 MPa
8410 psi
Type I, 50 mm/min; ASTM D638
Elongation at Break 124.9 %
124.9 %
50 mm/min; ISO 527
131.4 %
131.4 %
Type I, 50 mm/min; ASTM D638
Elongation at Yield 5.5 %
5.5 %
50 mm/min; ISO 527
5.8 %
5.8 %
Type I, 50 mm/min; ASTM D638
Tensile Modulus 2.21 GPa
321 ksi
50 mm/min; ASTM D638
2.35 GPa
341 ksi
1 mm/min; ISO 527
Flexural Yield Strength 90.0 MPa
13100 psi
2 mm/min; ISO 178
94.0 MPa
13600 psi
1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus 2.15 GPa
312 ksi
2 mm/min; ISO 178
2.21 GPa
321 ksi
1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched 8.90 J/cm
16.7 ft-lb/in
ASTM D256
7.95 J/cm

@Temperature -30.0 °C
 14.9 ft-lb/in

@Temperature -22.0 °F
 ASTM D256
Izod Impact, Notched (ISO) 56.0 kJ/m²
26.6 ft-lb/in²
80*10*4; ISO 180/1A
29.0 kJ/m²

@Temperature -30.0 °C
 13.8 ft-lb/in²

@Temperature -22.0 °F
 80*10*4; ISO 180/1A
Charpy Impact, Notched 7.40 J/cm²
35.2 ft-lb/in²
Edgew 80*10*4 sp=62mm; ISO 179/1eA
2.40 J/cm²

@Temperature -30.0 °C
 11.4 ft-lb/in²

@Temperature -22.0 °F
 Edgew 80*10*4 sp=62mm; ISO 179/1eA
Dart Drop, Total Energy 82.0 J

@Temperature 23.0 °C
 60.5 ft-lb

@Temperature 73.4 °F
 ASTM D3763
85.0 J

@Temperature -30.0 °C
 62.7 ft-lb

@Temperature -22.0 °F
 ASTM D3763
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 71.5 µm/m-°C

@Temperature -40.0 - 95.0 °C
 39.7 µin/in-°F

@Temperature -40.0 - 203 °F
 ASTM E 831
71.5 µm/m-°C

@Temperature 23.0 - 80.0 °C
 39.7 µin/in-°F

@Temperature 73.4 - 176 °F
 ISO 11359-2
CTE, linear, Transverse to Flow 79.3 µm/m-°C

@Temperature -40.0 - 95.0 °C
 44.1 µin/in-°F

@Temperature -40.0 - 203 °F
 ASTM E 831
79.3 µm/m-°C

@Temperature 23.0 - 80.0 °C
 44.1 µin/in-°F

@Temperature 73.4 - 176 °F
 ISO 11359-2
Deflection Temperature at 1.8 MPa (264 psi) 118 °C
244 °F
Flatw 80*10*4 sp=64mm; ISO 75/Af
124 °C

@Thickness 3.20 mm
 255 °F

@Thickness 0.126 in
 unannealed; ASTM D648
Vicat Softening Point 141 °C
286 °F
Rate A/50; ASTM D1525
141 °C
286 °F
Rate B/50; ISO 306
142 °C
288 °F
Rate B/120; ISO 306
Optical Properties Metric English Comments
Transmission, Visible 90 %
90 %
transparent; thickness not quantified
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