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HOME > Products > Electronic material > Rubber clad laminates

Electronic material

Rubber clad laminates

▲Rubber clad laminates

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

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