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Aerospace

Materials used in the aerospace industry have to withstand often adverse operating conditions on a continuous basis. Low pressures, high and low temperatures, rapid changes of temperature and pressure, intense radiation – WACKER silicones can withstand all of these because their property profile is tailored to each application.

Satellites

Outer space is a hostile environment – extremely low pressure, intensive ionizing radiation, extreme cold and massive temperature fluctuations – there can be no room for compromises. Such adverse operating conditions and, more especially, the needs of satellite engineering prompted WACKER to work closely with major aerospace companies on the development of a range of silicone products with extremely low outgassing rates. Naturally, they comply with European Space Agency (ESA) standards concerning material properties, processing and durability.

Benefits:

Minimal outgassing rates and hence no delamination under outer-space conditions
High radiation resistance
Full retention of elasticity down to the glass transition temperature at below -100 °C
Dissipation of thermomechanical stress by virtue of silicones’ characteristic flexibility

Applications:

Lamination of the solar assembly to the support structure for the solar array wing
Antistatic bonding of satellite components that are particularly susceptible to electrostatic charging

Aviation

Inside or outside, aviation-grade materials always have to meet stringent demands. WACKER silicones have compelling property sets tailored to a wide range of applications in the most diverse fields.

Benefits:

Outstanding permanent flexibility
Specialty grades are thermally stable from -30 to +250 °C
Exceptional resistance to fluids, the elements, and UV radiation
Very good molding and surface reproduction

Applications:

Sealing profiles for aircraft windows
Abradable coating in jet engines
Bonded joints and seals in the sanitary, galley and cabin areas
Tool and auxiliary material in the production of composites for ventilation systems and the cabin interior

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表格可上下滚动

	个产品	技术数据					Product properties
	动态粘度	Tear-growth resistance	Shore density A	Breaking strength	断裂伸长率	耐久性	监管	硫化胶
ELASTOSIL^® S 692 A/B	70000 mPa·s^[1] 70000 mPa·s^[1]	3.0 N/mm^[4] 3.0 N/mm^[4]	35^[5] 35^[5]	1.5 N/mm²^[6] 1.5 N/mm²^[6]	200 %^[8] 200 %^[8]	低温柔韧性	低挥发	导电
ELASTOSIL^® S 699 A/B	180000 mPa·s^[2] 180000 mPa·s^[2]	9.0 N/mm^[4] 9.0 N/mm^[4]	- -	1.8 N/mm²^[6] 1.8 N/mm²^[6]	180 %^[8] 180 %^[8]	-	-	-
WACKER^® RTV-S 691 A/B	55000.0 - 70000.0 mPa·s^[3] 55000.0 - 70000.0 mPa·s^[3]	- -	50 - 60^[5] 50 - 60^[5]	4.0 - 6.0 N/mm²^[7] 4.0 - 6.0 N/mm²^[7]	100 - 160 %^[9] 100 - 160 %^[9]	耐热性, 低温柔韧性	低挥发	-