Sabic Lexan 920A PC树脂

Lexan PC 920A物性

低粘度注射成形，阻燃的PC 。特殊的表面外观。有透明和不透明的颜色

Property

TYPICAL PROPERTIES

MECHANICAL

ValueUnitStandard

Tensile Stress, yld, Type I, 50 mm/min

630

kgf/cm2

ASTM D 638

Tensile Stress, brk, Type I, 50 mm/min

560

Tensile Strain, yld, Type I, 50 mm/min

7

%

Tensile Strain, brk, Type I, 50 mm/min

90

Flexural Stress, yld, 1.3 mm/min, 50 mm span

920

ASTM D 790

Flexural Modulus, 1.3 mm/min, 50 mm span

22800

Hardness, Rockwell M

70

-

ASTM D 785

Hardness, Rockwell R

118

Taber Abrasion, CS-17, 1 kg

10

mg/1000cy

ASTM D 1044

IMPACT

Izod Impact, unnotched, 23°C

326

cm-kgf/cm

ASTM D 4812

Izod Impact, notched, 23°C

65

ASTM D 256

Tensile Impact, Type "S"

535

cm-kgf/cm2

ASTM D 1822

Falling Dart Impact (D 3029), 23°C

1728

cm-kgf

ASTM D 3029

THERMAL

Vicat Softening Temp, Rate B/50

151

°C

ASTM D 1525

HDT, 0.45 MPa, 6.4 mm, unannealed

137

ASTM D 648

HDT, 1.82 MPa, 6.4 mm, unannealed

132

CTE, -40°C to 95°C, flow

6.84E-05

1/°C

ASTM E 831

Thermal Conductivity

0.19

W/m-°C

ASTM C 177

Relative Temp Index, Elec

130

UL 746B

Relative Temp Index, Mech w/impact

120

Relative Temp Index, Mech w/o impact

PHYSICAL

Specific Gravity

1.21

ASTM D 792

Specific Volume

0.83

cm2g

Density

1.217

g/cm2

Water Absorption, 24 hours

0.15

ASTM D 570

Water Absorption, equilibrium, 23C

0.35

Water Absorption, equilibrium, 100°C

0.58

Mold Shrinkage, flow, 3.2 mm

0.5 - 0.7

SABIC Method

Melt Flow Rate, 300°C/1.2 kgf

14.5

g/10 min

ASTM D 1238

OPTICAL

Light Transmission

85

ASTM D 1003

Haze

1

Refractive Index

1.586

ASTM D 542

ELECTRICAL

Volume Resistivity

>1.E+17

Ohm-cm

ASTM D 257

Dielectric Strength, in air, 3.2 mm

16.7

kV/mm

ASTM D 149

Relative Permittivity, 50/60 Hz

3.01

ASTM D 150

Relative Permittivity, 1 MHz

2.96

Dissipation Factor, 50/60 Hz

0.0009

Dissipation Factor, 1 MHz

0.01

Arc Resistance, Tungsten {PLC}

PLC Code

ASTM D 495

Hot Wire Ignition {PLC)

2

UL 746A

High Voltage Arc Track Rate {PLC}

3

High Ampere Arc Ign, surface {PLC}

Comparative Tracking Index (UL) {PLC}

FLAME CHARACTERISTICS

UL Recognized, 94V-2 Flame Class Rating (3)

1.47

mm

UL 94

UL Recognized, 94V-0 Flame Class Rating (3)

2.99

Radiant Panel Listing

YES

UL Tested

Processing

Parameter

Injection Molding

ValueUnit

Drying Temperature

Drying Time

3 - 4

hrs

Drying Time (Cumulative)

48

Maximum Moisture Content

0.02

Melt Temperature

290 - 310

Nozzle Temperature

280 - 305

Front - Zone 3 Temperature

Middle - Zone 2 Temperature

275 - 300

Rear - Zone 1 Temperature

265 - 290

Mold Temperature

70 - 95

Back Pressure

0.3 - 0.7

MPa

Screw Speed

40 - 70

rpm

Shot to Cylinder Size

40 - 60

Vent Depth

0.025 - 0.076