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 Items

Units

Test Condition 

Typical Value

Specification

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 Resistance

After moisture resistance

1.7X10E8

≥ 10E4

E-24/125

4.1X10E5

≥ 10E3

Volume Resistance

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

Dissipation Factor 1MHz

-

C- 24/23/50

0.016

≤ 0.035

Arc Resistance

sec

D-48/50 D-0.5/23

138

≥ 60

Dielectric Breakdown

KV

D-48/50 D-0.5/23

45 +KV,NB

≥ 40

Water Absorption

%

D-24/23

0.14

≤ 0.8

Flammability

-

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

°C

10°C/MIN, N2, 5%Wt Loss

316

N/A

T288

min

TMA

1

N/A

T260

min

TMA

13

N/A

Flexural  Strength 

Length Direction

N/mm2

A

668

≥ 415

Cross Direction

N/mm2

A

532

≥ 345

Comparative Tracking Index  (CTI) 

V

IEC60112Method

PLC 3

PLC 3

 

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