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The MGSRB

2The MGSRB

3The MGSRB

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Peeling and the bubble◆Peeling◆BubbleMGSRB can solve the problem !

5Basic characteristic
Item
ProductComponent

Optical properties

Item-ValueMGSRBSpecial acrylic adhesive

Test conditions-TT（%）

92%（99%※removed by calculating the interface
reflection loss）(JISZ8722 t0.5、1mm)

Refractive index

1.49(JISK7142)

Haze [%]

1.0%(JISK7136 t0.5、4mm)

Abbe number54(JISK7142)

Birefringence

1～4×10-6(JISK7142)

Color difference

ｂ*＝0.2～0.4(ISZ8722 t0.5、4mm)Shear strength : glass

1.11(t0.2mmspeed10mm/min)Shear strength : Polycarbonate

1.46(t0.2mmspeed10mm/min)

Breaking strength (25℃) [MPa]0.038

Growth rate （25℃）[%]

522.1

Coefficient of thermal expansion (25℃ [ppm/℃]

5.5×10-4(5℃/min)

Hardness

32

Moisture vapor transmission rate [cm3・cm/(m2・24hrs・atm)]

56.7[ g/(m2・24h）

Characteristic

Mechanical strength
properties

Electricalcharacteristics

Other(Dumbbell No. 3
speed10mm/min)(Dumbbell No. 3
speed10mm/min)

Water absorption [wt%]0.4（Asker C）(JISK7126 GC、
JISZ0208 40℃90%
Moisture vapor carbondioxide)(85℃85%)εｒ’ 25℃

3.02(Frequency 1MHｚ)

tanδ 25℃

0.04(Frequency 1MHｚ)

Corrosive components

None（KGK Method）

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Viscoelasticity
１．評価サンプルおよび評価ポイント
メークリンゲル評価サンプル

MGSRB
評価ポイント

せん断振動負苛振幅変化による粘弾性温度分散特性確認試験

測定条件「-40℃～100℃間での貯蔵弾性率・損失弾性率」

２．評価試験結果
(2-1)

試験条件
測定機器

Modula Advanced Rheometer System
HAAKE 社製

(2-2)

センサー

12Φ

センサーギャップ

法線応力

パラレルプレート

測定モード

定歪みストレス制御による温度SWEEP

周波数1Hz

試験結果

５N

MGSRB

ブランク

粘弾性
温度分散
Viscoelasticity

1.0E+09
1.0E+08

せん断弾性率 / Pa

1.0E+07
1.0E+06
1.0E+05

G' [P a]1.0E+04

G'' [ Pa]

1.0E+03
1.0E+02
1.0E+01-40-20

1.0E+00

020406080

100

温度 / ℃

Stable temperature characteristics
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Reliability test ( Acrylic plate / Polyester film )□ Test conditions
Test sample ： PMMA(1.0t) / MGSRB(0.175t) / PET
Size ： 100×100 (mm)Temperature conditions： 100℃×12h

Before□ Test result
No bubble

After

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Reliability test ( Polycarbonate plate / Glass)□□TestTestconditions
conditions
Test sample ： PC(1.0t) / MGSRB(0.175t) / Glass
Size ： 100×100 (mm)※ユーピロン（三菱エンジニアリングプラスチックス）
Temperature conditions： 105℃×8hBefore□ Test result
No bubble

After9Outgas suppression
MGSRB suppress outgassing by strengthening of cross-linked polymer

Outgas amount（%）●Competitor 120℃
●KGK product 90℃●KGK product 120℃

Heating time（min）

suppress outgassing
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End of presentation

User is responsible for determining whether the KGK product is fit for a particular purpose
and suitable for user’s method of application. Please remember that many factors canaffect the use and performance of a KGK product in a particular application. The materials
to be bonded with the product, the surface preparation of those materials, the productselected for use, the conditions in which the product is used, and the time andenvironmental conditions in which the product is expected to perform are among the manyfactors that can affect the use and performance of a KGK product. Given the variety offactors that can affect the use and performance of a KGK product, some of which areuniquely within the user’s knowledge and control, it is essential that the user evaluate theKGK product to determine whether it is fit for a particular purpose and suitable for theuser’s method of application. KGK make no warranties on above data.

Kyodo giken Chemical Co.,Ltd〒359-0011
940 Minami-nagai Tokorozawa city
Saitama pref. JAPANphone +81-4-2944-5151
Mail postbox@kgk-tape.co.jp
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