Rubber clad laminates is the electronic material used as sealing pad of electrolytic capacitors
And plays both role of insulation and sealing at the same time
▲Structure
▲Rubber clad laminates
(Phoro:front row)
▲Used as sealing pad
Line-ups
Product code
Composition
PP film clad
Rubber sheet
Paper/Phenolic laminates
RS-1729S
EPT
(Grain surface)
S-type
Yes
RS-1734
EPT
(Flat surface)
No
RS-1739
Yes
RS-1759X
X-type
Yes
RS-1769X
EPT
(Stain-finished surface)
Yes
RS-1779X
YES
(High heat resistant)
*RS-1734 and RS-1739 are both manufactured at RISHO KOGYO (WUXI) CHEMICAL CO.,LTD.
Rubber sheet
EPT:Ethylene Propylene Rubber(Excellent in long-term reliability)
Paper/Phenolic laminates type
S-type:Standard type
X-type:Extra tough type
Standard size(mm)
Composition
(Rubber/Substrate)
Total
Standard tolerance
Dimension
Rubber
Substrate
1.0 / 1.0
2.0
1.0
1.0
+0.30,-0.20
1000×1000
1.0 / 1.5
2.5
1.0
1.5
+0.30,-0.26
1.0 / 2.0
3.0
1.0
2.0
+0.35,-0.28
1.0 / 2.5
3.5
1.0
2.5
+0.42,-0.28
General properties
Test items
Unit
Treatment
RS-1729S
RS-1759X
RS-1769X
RS-1779X
Rubber
clad
laminates
Adhesiveness
-
E-0.5/120
OK
OK
OK
OK
Clorine
content
ppm
RIS.P-9-10-1
1
1
1
1
EG
conductivity
※
mA
RIS.P-9-10-1
5.4~5.2
3.8~3.2
6.0~5.4
7.6~6.8
Substance of
concern
-
ICP measurement
Less than predetermined threshold
Rubber
sheet
Hardness
at RT
-
A
64
71
73
80
After
treatment
E-96/100
65
73
75
85
Tensile
strength
at RT
MPa
A
8.8
7.3
24.2
22.5
After
treatment
E-96/100
9.0
7.5
25.5
27.1
Elongation
at RT
%
A
590
340
560
580
After
treatment
E-96/100
550
300
510
490
Compression
permanent
strain
%
E-22/100
60
25
18
20
EG
Conductivity
※
mA
RIS.9-5-54
6.4~5.5
1.8~1.6
6.4~4.4
7.6~6.8
Surface
resistance
MΩ
C-24/20/65
1.0×109
1.0×1011
1.0×1010
5.5×107
Volume
resistivity
MΩ-m
C-24-20/65
4.0×107
2.9×107
2.1×1011
5.3×104
※Electrical conductivity that comes about, when extracted substance from Rubber sheet or from Phenolic laminates ,seep into electrolyte (Ethylene Glycol)
The above figures are not guaranteed value but one of a test result at our laboratory