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> Glass woven & Glass nonwoven composite/Epoxy laminates ES-3753K(CEM-3)

Insulating material / Industrial plastic

Glass woven & Glass nonwoven composite/Epoxy laminates
ES-3753K(CEM-3.0)

RISHOLITE
ES-3753K Application:Punching parts (Thin plate) Mechanical parts(Thick plate)


Test items Unit Thin plate
for punching application
Thick plate
for mechanical application
Electrical strength
(Vertical to layer)
In oil 1 min. MV/m - 13 OK
Breakdown voltage
(Vertical to layer)
In oil 1 min. MV/m - 16~26
Electrical strength
(Parallel to layer)
In hot oil kV - 9 OK
Breakdown voltage
(Parallel to layer)
In hot oil kV - 35~45
Insulation resistance at RT 107~108 107~108
After heat treatment 105~106 105~106
Volume resistivity at RT MΩ-cm 109~1010 109~1010
After moisture treatment 107~109 107~109
Surface resistance at RT 107~109 107~109
After moisture treatment 106~107 106~107
Dielectric constant
(1MHz)
at RT - 3.9~4.9 4.3~5.3
After dipping treatment 4.1~5.1 4.5~5.5
Dissipation factor
(1MHz)
at RT - 0.015~0.019 0.015~0.019
After dipping treatment 0.018~0.023 0.018~0.023
Flexural strength Vertical to layer MPa 200~500 250~350
Parallel to layer - 250~350
Compressive strength Vertical to layer MPa - 270~370
Parallel to layer - 240~340
Tensile strength MPa - 150~250
Izod impact strength Parallel to layer J/cm - 1.0~2.0
Cleavage strength kN - 7~10
Rockwell hardness - M.100~110 M.100~110
Water absorption 1.5mm Thick % 0.05~0.10 -
10mm Thick - 0.02~0.05
Appearance after heating treatment 2 hours

180 OK

(180)

180 OK

(180)

Hot flexural strength retention % 120℃ 30< 120℃ 30<
Specific gravity - - 1.80~2.00
Tracking resistance DIN Drop - -
Acetone resistance - OK OK
Flame retardance UL - 94V-0 (94V-0)
Arc resistance sec. 130~150 130~150
Tg DMA 140
*JRMA qualification
(*Japan Railway rollingstock & Machinery Association)
- Flame retardant
(3mm thick)
*The above figures show the standard properties and guaranteed value is showed in parentheses
*Test method : JIS K-6911
Specifications and dimension
Thickness(mm) 0.6~50
Standad dimension
(mm)
1000×1000
1000×1200
1000×1500
1000×2000
1200×2000
Thickess
tolerance
(mm)
0.5
0.6 ±0.13
0.8 ±0.15
1.0 ±0.15
1.2 ±0.20
1.5 ±0.20
1.6 ±0.23
2.0 ±0.25
2.5 ±0.30
3.0 ±0.35
4.0 ±0.40
5.0 ±0.55
6.0 ±0.60
8.0 ±0.70
10.0 ±0.80
12.0 ±0.90
15.0 ±1.10
16.0 ±1.10
18.0 ±1.30
20.0 ±1.30
25.0 ±1.40
30.0 ±1.50
35.0 ±1.60
40.0 ±1.70
50.0 ±1.90
75.0
100.0
*Minimum quantity of order would be quoted according to product