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Electronic material

General properties(Halogen-free Glass/Epoxy type)

General properties(Halogen-free Glass/Epoxy type)

Test items Unit Treatment Halogen-free
ES-3751S ES-3751 ES-3754SP ES-3351SF

100%

Nonwoven

100%

Nonwoven

CEM-3 FR-4
Appearance ES-3751S ES-3751 ES-3754SP ES-3351
Resin dust % A 0.011 0.003 0.019 0.031
Bending strength Warp MPa A 210 200 514 541
Fill 150 140 438 471
Flexural modulus Warp GPa A 17 9 35 37
Fill 15 7 33 35
CTE Z-axis
(0.2mm)
ppm/℃ A 26 30

20

(Estimate

value)

14
Insulation
resistance
at RT C-96/20/65 1×109 2×108 4×108 9×108
After
treatment
C-96/20/65
+D-2/100
4×106 2×106 2×108 5×107
Dk
(1MHz)
at RT - C-96/20/65 3.86 3.22 3.94 4.20
Df
(1MHz)
at RT - C-96/20/65 0.02 0.02 0.02 0.012
Chemical
resistance
(60min.)
Acetone - A OK OK OK OK
MEK OK OK OK OK
IPA
OK OK OK OK
Reflow resistance - 240~250℃
×15min.
OK OK OK OK
Solder limit(Float) sec. 260℃ 300< 300< 300< 300<
Appearance after
heat treatment
- 180℃×2hrs. OK OK OK OK
Specific gravity - A 1.83 1.24 2.02 2.1
Water absorption % E-24-50
+D/24/23
0.31 0.58 0.14 0.14
Flame resistance - UL94 V-0 V-0 V-0 V-0

 

<Test method>
☆General test:JIS K6911

☆CTE & Solder limit:JIS C 6481

☆Flame resistance:UL-94

☆Bending strength & Flexural modulus:Fulcrum distance=16mm


<Resin dust fall>

Resin dust fall(%) is defined as Weight change ratio of punched test pieces(0.4mm×90mm×50mm×12sheets) 

Before and After the treatment that they are shaken 500 times in a glass bottle


*Above figures show the test result at our laboratory