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Adhesives
Adhesives
Manufactured Products
 
Sealants for Optical Devices
(S3903, s3903-5, OS-39, 14SI, 14SI-3, OS-14)

Features

  • These sealants provide flexibility to prevent stresses on fibers during curing or heat-cycling, and have small moisture permeability at elevated temperatures.

Calculated Humidity inside the sealed Case with sealants



Main properties of Sealants for optical devices
(Moisture-proof elastic sealants S3903, S3903-5, OS-39)

Name (Main Components)

 

S3903
(Modified Epoxy)

 

S3903-5
(Modified Epoxy)

 

OS-39
(Modified Epoxy)

Conditions

 

Paste

 

Black paste

 

Black paste

Curing

 

Mixture ratio (A:B) Weight ratio

 

100:200

 

100:280

 

100:230

 

Mixture ratio (A:B) Volume ratio

 

100:135

 

100:170

 

100 :140

 

Pot life (min.)

 

20

 

10~20

 

20~30

Properties after curing

 

Moisture permeability coefficients (cccm/cmHgcm2s) [75]

 

4~5 x

 

4~5 x

 

6~7 x

 

Glass Transition Temperature ()

 

-63

 

-57

 

-62

 

Hardness (Shore D) [25]

 

36

 

39

 

26

 

Adhesion Strength
(kgf/cm2)

 

SUS

 

50

 

121

 

58

 

Glass

 

53

 

89

 

54


(Note)
This property data is a measured value on samples instead of the guaranteed value.


Main properties of Sealants for optical devices
(High humidity-resistant sealants 14SI, 14SI-3, OS-14)

Name (Main Components)

 

14SI
(Epoxy)

 

14SI-3
(Epoxy)

 

OS-14
(Epoxy)

Conditions

 

Paste

 

Paste

 

Paste

Curing

Mixture ratio (A:B) Weight ratio

 

110:20

 

210:20

 

180:20

Mixture ratio (A:B) Volume ratio

 

100:26

 

100:15

 

100:18

Pot life (min.)

 

20~30

 

10~20

 

10~20

Properties after curing

Moisture permeability coefficients
(cccm/cmHgcm2s) [75]

 

0.8 x

 

0.3 x

 

0.8 x

Glass Transition Temperature Mixture ratio (A:B) ()

 

61

 

64

 

66

Hardness (Shore D) [25]

 

58

 

82

 

60

Adhesion Strength
(kgf/cm2)

SUS

 

>200

 

>200

 

>200

Glass

 

>200

 

>200

 

>200


(Note)
This property data is a measured value on samples instead of the guaranteed value.


 
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