SUMIKASUPER E4008

Grade Information

SUMIKASUPER E4008 is a 40 wt% glass fiber reinforced Liquid Crystal Polymer (LCP) injection molding grade. It is available in Asia Pacific, Latin America, North America, and Europe.

The E4000 series is a high heat resistant grade with an HDT exceeding 300°C, and maintains excellent rigidity and strength even at temperatures exceeding 200°C. SUMIKASUPER E4008 exhibits the following characteristics: high heat resistance, high toughness, low gas generation, excellent electrical properties, chemical resistance, and flame retardancy.

Product
SUMIKASUPER
Product Series
E4000
Resin
LCP
Molding Method
Injection molding
Fillers/Reinforcements
Glass fiber
Features
High heat resistance, high toughness, low gas generation, excellent electrical properties, chemical resistance, flame retardancy
Applications
Connectors, relay covers, cases, relay bases, transformers, bobbins, coils, inductors, coil seals, motor parts
ISO marking code (ISO 11469)
>LCP-GF40<
Total filling amount [%]
40
Thin wall flowability (0.30mmt) [mm]
34.9
Specific Gravity (ASTM D792)
1.70
Water absorption [%] (ISO 62)
0.02
Shrinkage rate (MD) [%] (Sumitomo Chemical Method)
0.1
Shrinkage rate (TD) [%] (Sumitomo Chemical Method)
1.32
Tensile strength [MPa] (ASTM D638)
150
Tensile elongation [%] (ASTM D638)
5
Tensile modulus [MPa] (ISO 527-1,2)
11900
Poisson's ratio (ISO 527-1,2)
-
Flexural strength [MPa] (ASTM D790)
150
Flexural modulus [MPa] (ASTM D790)
12300
Charpy impact strength (unnotched) [kJ/m2] (ISO 179/1eU)
54
Izod impact strength (unnotched) [kJ/m] (ASTM D256)
520
Rockwell hardness (R scale) (ASTM D785)
106
DTUL(0.45MPa)[℃] (ASTM D648)
345
DTUL(1.82MPa)[℃] (ASTM D648)
326
Coefficient of linear expansion (MD) (50-150°C) [×10-5 /K] (ISO 11359-1,2)
1.4
Coefficient of linear expansion (TD) (50-150°C) [×10-5 /K] (ISO 11359-1,2)
6.2
Relative permittivity (1GHz) (IEC 60250)
3.7
Dissipation factor (1GHz) (IEC 60250)
0.005
Volume resistivity [Ω m] (IEC 60093)
1E+13
Surface resistivity [Ω] (IEC 60093)
1E+15
Tracking resistance [V] (IEC 60112)
175
Dielectric breakdown strength (1mm) [V] (IEC 60243-1)
43
Arc resistance [sec] (ASTM D495)
130
Flame retardant class (IEC 60695-11-10)
V-0
Relative temperature index (electrical) [℃] (UL746B)
220 (0.15mm)
Relative temperature index (impact) [℃] (UL746B)
200 (0.15mm)
Relative temperature index (tensile) [℃] (UL746B)
220 (0.15mm)