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WACKER® RTV-S 691 A/B

WACKER® RTV-S 691 A/B is a self levelling, two-part addition curing silicone rubber which can be vulcanised at room temperature. Due to its low outgassing rate and low temperature flexibility it is recommended especially for space applications.

It has been designed and is used as adhesive for solar cells on solar generators for space applications such as satellites.



特性

  • resistant to low temperatures
  • glass transition temperature: < -100 °C / -148 °F
  • particularly low volatile contents
  • admitted for aerospace applications by ESTEC (European Space Research and technology Centre) according to specification ECSS-Q-70-02A (corresponds to former ESA PSS-01-701)

WACKER® RTV-S 691 A/B的特殊性能

  • 低挥发
  • 低温柔韧性
  • 紫外线稳定性
  • 耐热性

免责声明

所提供之所有信息均基于我们当前所掌握的知识。尽管如此,我们不对其作任何担保、也不承担任何责任,并且保留在任何时候进行技术变更的权利。购买方应在预测试中对所提供之信息以及产品在既定应用中的适应性进行检查。任何时候都必须以合同条款与条件为准。此外,本免责申明还适用于与第三方权利有关之事宜,尤其是在德国境外。

Mixing ratio is 9:1 p.b.w Before taking component A out of the container or adding the catalyst, stir the material thoroughly. Components A and B can be mixed by hand or with metering equipment. The material must be evacuated before application to remove enclosed the bubbles. For detailed information refer to our leaflet "Wacker RTV-2 Silicone Rubber Processing". Important: The platinum catalyst is contained in component A. Caution! Only components A and B that have the same lot numer may be processed together! Mixing of the components It is ablolutely imperative that any equipment, such as mixing vessels, spatulas and stirres, that is used to process Component A (which contains the platinum catalyst) or the mixture of both components does not come into contact with Component B (which contains the crosslinker). Therefore, all equipment should be clearly labeled.


WACKER® RTV-S 691 A/B is used as silicone adhesive with minimum outgassing behaviour for space projects, e. g. bonding for solar cells in satellites.

RTV-S691 can be applied by silk screen printing or by dispensing equipment. In order to make the rubber adhere to other materials (e. g. glass, aluminium, silver, epoxy resin, polyester resin), it is necessary to pretreat the surface with Primer G 790.

储存

The 'Best use before end' date of each batch is shown on the product label. Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

销售和支持

Wacker Chemicals (China) Co.,Ltd.
Caohejing Hi-Tech Park
200233 Shanghai
中国
+86  21  6130-2000 (电话)
+86 21 6130-2500  (传真)
Contact Sales
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