[산업/전자]렌즈접착제 Lens Bond TYPE M-62, MIL-A-3920.
1. TYPE M-62 설명
M-62형은 70°C에서 1시간 동안 경화되기 때문에 많은 양의 광학 소자를 접착하고자 하는 회사에서 사용되며
M-62 유형을 사용하면 작업자가 시멘트를 혼합하고 시멘트가 겔화되기 전에 많은 부품를 접착할 수 있습니다.
이 접착제는 MIL-A-3920을 규정에 맞는 제품입니다.
2. 경화시간
|
|
Room Temperature 22°(72°F) |
Oven Temperature 70°(160°F) |
||
|
Catalyst Ratio |
Pre-Cure |
Full-Cure |
Pre-Cure |
Full-Cure |
|
2:100 |
4 hours |
4 days |
20 minutes |
1 hours |
|
3:100 |
3 hours |
3 days |
15 minutes |
45 minutes |
|
5:100 |
2 hours |
2 days |
10 minutes |
30 minutes |
3. 제품물성
|
Viscosity |
275 cps -20 cps. |
|
Refractive Index (full-cured) |
1.55 at 25℃ |
|
Refractive Index (uncured) |
1.53 |
|
Operational Temperature Range |
-54℃(-65°F) - 00℃(212°F) |
|
Youngs Modulus |
6.2 x 105lbs/in2 |
|
Shear Strength |
5200 lbs/in2 |
|
Impact |
(.3 to .4)ft lb/in |
|
Specific Heat |
(.2 to .4) Cal/gm |
|
Dielectric Constant |
3 at 106 cps |
|
Loss Factor at 106 cps |
(.05) |
|
Water Absorption |
0.3% (24 hours. 25℃ on bulk material) |
|
Dispersion Formula |
n=1.5754-(0.04742)-[0.0070/(2-0.028)]+[0.0011/(2-0.028)2] |
|
Shrinkage on Cure |
Approximately 4% |
|
pH |
3.2 |
|
Specific Gravity |
1.22 |
|
Shore D. Hardness |
Approximately 90 |
|
Surface Tension |
44 Dynes/cm. |
|
Linear Coefficient of Expansion |
Approximately 6.3x10-5/°@ between 27℃-100℃ 5.58x10-5/°@ between 100℃-200℃ |
|
Thermal Conductivity |
500x10-6 cal(sec)(sq.cm)(°C)(cm) |
|
Flash Point (uncured) |
50℃ |
|
Glass Transition (Tg) |
>90℃ |
|
Outgassing TML |
2.5% |
|
Outgassing CVCM |
0.1% |
|
Size |
30gm |
|
Shelf Life |
18 months |
|
Size |
114 gm(4oz) |
