防水胶 Nolato 8520
特性
诺兰特8520防水硅胶(以下简称Nolato8520)是一种双组份包装,高温固化的防水硅胶。可适用于FIP现场成型工艺,用于精密点胶机进行点胶。
Nolato8520在通过严格的户外环境测试中证实拥有良好的可靠性。在长时间的热,冷,潮湿,紫外光,臭氧和锁紧等恶劣环境中还能够保证其性能非常稳定。工作的温度范围在-55摄氏度到+200摄氏度之间。
应用
Nolato 8520可广泛用于直放站,手机,PDA,MP-3等无线通信器材外壳上的防水衬底。在铝合金压铸件上使用有着很好的效能。
材料特性
测试标准 |
单位 |
8520 |
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基材 |
硅胶 |
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密度 |
ISO2781 |
g/cm3 |
0.9 |
|
A胶粘度 |
Nolato FOU-04/5 |
pas |
25 |
|
B胶粘度 |
25 |
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混合后粘度 |
25 |
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硬度 |
ISO 7619 |
Shore A |
40 |
|
拉伸强度 |
ISO 37 |
Mpa |
5.6 |
|
最大伸长量 |
ISO 37 |
% |
570 |
|
撕裂强度 |
ISO 34-1C |
N/mm |
24 |
|
压缩形变 72Hours,100C |
ISO815 |
% |
25 |
|
可燃性 |
UL 94 |
HB |
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抗压模量 |
10% strain |
ISO 7743 |
Mpa |
3.8 |
20% strain |
Mpa |
3.5 |
RoHS指令要求
Nolato 8520完全符合欧盟的2002/95/EC(RoHS)指令要求。
安全指令
Nolato 8520已通过欧盟安全指令标准1999/45/EC,如有需要,我们将会发送一份详细的安全指令数据单给您。
Typical Properties |
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Proterties |
Test procedure |
Unit |
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Base material |
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|
Silicon |
Silicon |
Silicon |
Silicon |
Silicon |
Silicon |
Silicon |
Silicon |
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Conductive filler |
|
|
Ni/C |
Ni/C |
Ni/C |
Ni/C |
Ni/C |
Ag/Cu |
Ag/Ni |
Ag/Ni |
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Typical Gasket Shape |
|
|
▲ |
▲ |
▲ |
▲ |
▲ |
|
▲ |
▲ |
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Mix ratio by weight(A:B) |
|
|
1:1 |
1:1 |
1:1 |
1:1 |
1:1 |
1:7 |
1:7,2 |
1:8,87 |
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Density, uncured |
|
g/cm3 |
1,6 |
1,9 |
2,0 |
1,9 |
1,6 |
2,5 |
2,6 |
2,85 |
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Viscosity A comp. at shear rate10 s-1 |
Nolato FOU-04/5 |
Pas |
65 |
65 |
65 |
65 |
65 |
100 |
90 |
90 |
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Viscosity mixed. at shear rate10 s-1 |
Nolato FOU-04/5 |
Pas |
65 |
65 |
65 |
65 |
65 |
50 |
45 |
50 |
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Viscosity mixed. at shear rate10 s-1 |
Nolato FOU-04/5 |
Pas |
65 |
65 |
65 |
65 |
65 |
75 |
75 |
75 |
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Electrical resistance |
Nolato FOU-04/6 |
mOhm |
200 |
200 |
300 |
200 |
200 |
15 |
20 |
10 |
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Adhesion |
Nolato FOU-04/7 |
|
Cohesive failure |
Cohesive failure |
Cohesive failure |
Cohesive failure |
Cohesive failure |
Cohesive failure |
Cohesive failure |
Cohesive failure |
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Mechanical properties |
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Density, cured |
ISO 2781 |
g/cm3 |
1,8 |
2,4 |
2,2 |
2,1 |
1,9 |
2,9 |
3,1 |
3,2 |
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Hardness |
ISO 7619 |
Shore A |
45 |
60 |
80 |
73 |
63 |
55 |
55 |
70 |
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Tensile strength |
ISO 37 |
MPa |
1,2 |
1,3 |
2.8 |
2,5 |
2,6 |
2,1 |
2,9 |
2,9 |
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Elongation at break |
ISO 37 |
% |
150 |
180 |
100 |
170 |
260 |
310 |
240 |
190 |
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Tear strength |
ISO 34-1C |
N/mm |
8 |
7 |
13 |
15 |
16 |
12 |
14 |
14 |
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Compression set, 72 hours/100°C |
ISO 815 |
% |
30 |
45 |
55 |
55 |
30 |
25 |
25 |
30 |
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Flammability |
UL 94 |
|
V0 |
V0 |
V0 |
V0 |
V0 |
V0 |
V0 |
V0 |
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1) 1 MPa = 145 psi 2) 1 N/mm = 5,71 lb/in3 |
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Tested on a 0,8 mm thick gasket adhered to an aluminium substrate with a thickness of 2 mm. |
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Electrical and shielding properties |
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Volume resistivity, heat aged 48h/156°C |
MIL-DTL-83528C |
mOhmcm |
>25 |
15 |
>8 |
>8 |
>12 |
>2 |
>15 |
>5 |
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Volume resistivity, heat aged 48h/156°C |
MIL-DTL-83528C |
mOhmcm |
40 |
25 |
16 |
6 |
20 |
4 |
17 |
7 |
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Average shielding effect, 0,3 – 20 GHz |
Nolato cavity to cavity test methodS |
dB |
110 |
110 |
110 |
110 |
110 |
75 |
107 |
105 |
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Gasket on aluminium, fresh |
Sealing Material |
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Properties |
Test procedure |
Unit |
|||||
Base material |
|
|
Silicon |
Silicon |
Silicon |
Silicon |
Silicon |
Conductive filler |
|
|
NA |
NA |
NA |
NA |
NA |
Mix ratio by weight (A:B) |
|
|
1:1 |
1:1 |
1:1 |
1:1 |
1:1 |
Density, uncured |
|
g/cm3 |
0,9 |
0,9 |
0,9 |
1,0 |
1,0 |
Viscosity A comp. at shear rate10 s-1 |
Nolato FOU-04/5 |
Pas |
50 |
50 |
60 |
60 |
50 |
Viscosity B comp. at shear rate10 s-1 |
Nolato FOU-04/5 |
Pas |
40 |
40 |
60 |
50 |
60 |
Viscosity mixed. at shear rate10 s-1 |
Nolato FOU-04/5 |
Pas |
60 |
60 |
75 |
75 |
75 |
Adhesion on aluminium Surface |
Nolato FOU-04/7 |
|
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
Mechanical properties |
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Density, cured |
ISO 2781 |
g/cm3 |
1,1 |
1,1 |
1,1 |
1,1 |
1,1 |
Hardness |
ISO 7619 |
Shore A |
23 |
40 |
25 |
19 |
50 |
Tensile strength |
ISO 37 |
MPa |
7,9 |
5,6 |
6,2 |
2,9 |
7 |
Elongation at break |
ISO 37 |
% |
750 |
570 |
720 |
500 |
370 |
Tear strength |
ISO 34-1C |
N/mm |
21 |
24 |
21 |
13 |
21 |
Compression set, 72 hours/100°C |
ISO 815 |
% |
8 |
25 |
24 |
11 |
20 |
Flammability |
UL 94 |
|
V0 |
V0 |
V0 |
V0 |
V0 |
Tested on a 0,8 mm thick gasket adhered to an aluminium substrate with a thickness of 2 mm |
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