DK-C140/DK-P140

■ Tetrafunctional epoxy resins are designed for higher UV-Blocking, better dimensional stability and through-hole capability.
■ Low water absorption, UV-block and AOI compatible, flame retardant up to UL 94V-0
■Excellent heat resistance, mechanical properties, electrical properties, chemical properties
■ Compliant with IPC-4101/97

Category:

Application

Computer, instrument, communication equipment, automotive electronics, power supply, etc.

Tg

138

Td

316

CTE

4.3

Details

Test Item Unit Treatment conditions Typical value Specification value
Tg °C DSC 138 135±5
Z-axis CTE ppm/°C <Tg 60 N/A
ppm/°C >Tg 315 N/A
% 50-260°C 4.3 N/A
surface resistivity After moisture resistance 1.7X10E8 ≥ 10E4
E-24/125 4.1X10E5 ≥ 10E3
volume resistivity MΩ· cm After moisture resistance 1.0X10E9 ≥ 10E6
E-24/125 2.3X10E6 ≥ 10E3
Dielectric constant 1MHz - C- 24/23/50 4.6 ≤ 5.4
Dielectric loss 1MHz - C- 24/23/50 0.016 ≤ 0.035
Arc resistance sec D-48/50 D-0.5/23 138 ≥ 60
breakdown voltage KV D-48/50 D-0.5/23 45 KV,NB ≥ 40
water absorption % D-24/23 0.14 ≤ 0.8
Flame resistance - C- 24/23/50 E-24/125 94V-0 94V-0
Peel strength (HTE 1OZ) N/mm 125°C 1.6 ≥ 0.7
Float288 °C/10Sec 1.7 ≥ 1.05
thermal stress unetched Sec Float288 °C/10Sec 120 ≥ 10
Etched
Td thermal decomposition temperature °C 10°C/MIN, N2, 5%Wt Loss 316 N/A
T288 min TMA 1 N/A
T260 min TMA 13 N/A
bending strength Length Direction N/mm2 A 668 ≥ 415
Cross Direction N/mm2 A 532 ≥ 345
Compared to the electrical tracking index V IEC60112Method PLC 3 PLC 3

 

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