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ELASTOSIL® SOLAR 2205

ELASTOSIL® SOLAR 2205 is a pourable addition curing RTV-2 silicone rubber for coating, lamination and encapsulation purposes. The product vulcanizes at room temperature and under heat to yield a soft elastomer.

 

Cured ELASTOSIL® SOLAR 2205 shows long-term stability against weathering, moisture and UV light. The soft silicone elastomer may continously be exposed to constantly changing climatic conditions, UV radiation and temperatures as high as 160 °C (320 °F) without damage.



特性

Uncured:

  • very low viscosity
  • to be cured with ELASTOSIL® CAT PT, ELASTOSIL® CAT PT-F or ELASTOSIL® CAT CAT UV as curing agent
  • 10 : 1 mixing ratio
  • fast curing at room temperature

 

 Cured:

  • soft silicone rubber (Sh 00 range)
  • crystal clear vulcanisate
  • excellent resistance to UV light
  • very high light transmission in the range of 250 nm to 1100 nm
  • recommended service temperature range: -50 °C to +160 °C

ELASTOSIL® SOLAR 2205的特殊性能

  • 低粘度
  • 光学透明
  • 加成固化
  • 抗潮湿
  • 液体
  • 电绝缘性
  • 紫外线稳定性
  • 耐紫外线性和耐候性
  • 高透明度

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。

  • potting agent for the PV industry
  • encapsulation of electronic components (e.g. junction boxes or power inverters)
  • encapsulation of solar cells
  • lamination of solar modules

Surface preparation:

All surfaces must be clean and free of contaminants that will inhibit the cure of ELASTOSIL® SOLAR 2205. Examples of inhibiting contaminants are sulfur containing materials, plasticizers, urethanes, amine containing materials and organometallic compounds – especially organotin compounds. If a substrate’s ability to inhibit cure is unknown, a small scale test should be run to determine compatibility.

 

Mixing:

ELASTOSIL® SOLAR 2205 is processed with ELASTOSIL® CAT PT, ELASTOSIL® CAT PT-F or ELASTOSIL® CAT UV as curing agent. The two components need to be thoroughly mixed at a 10:1 ratio by weight or volume. Mixing can happen either manually or by automatic metering lines equipped with static or dynamic mixing devices.

 

Caution! ELASTOSIL® SOLAR 2205 contains the crosslinker, while the curing agents of the ELASTOSIL® CAT series contain the platinum catalyst. Since even traces of platinum catalyst may cause gelling of ELASTOSIL® SOLAR 2205, all tools (e.g. spatula, stirrers, mixing cups etc.) used for handling either the curing agents or the catalyzed mix must not come into contact with ELASTOSIL® SOLAR 2205 by mistake.

 

Material application:

To eliminate any air introduced during mixing, dispensing or trapped under components and devices a vacuum encapsulation is useful. Alternatively, ELASTOSIL® SOLAR 2205 and the respective curing agent can be deaerated individually prior use in order to remove absorbed air; applying a vacuum of 25-50 mbar for 10-15 min is recommended.

 

Curing:

Though curing by heat is possible, ELASTOSIL® SOLAR 2205 typically is processed at room temperature. Preferred curing agents are ELASTOSIL® CAT PT and ELASTOSIL® CAT PT-F. Besides, ELASTOSIL® CAT UV allows a UV-activated curing of ELASTOSIL® SOLAR 2205. Please note: the curing time is highly dependent on the type of curing agent used, processing temperature and both the size and the heat sink properties of the components being encapsulated. For catalyzed mixtures containing ELASTOSIL® CAT UV as curing agent, the curing speed additonally depends on irradiance and irradiation time. General information about the respective pot life is given in the table "Catalyzed".

 

The reactivity of ELASTOSIL® SOLAR 2205 can be adjusted within wide limits by adding WACKER® Catalyst EP or WACKER® Inhibitor PT 88 to suit the processing requirements of the particular application. WACKER® Catalyst EP increases reactivity, i. e. pot life and curing time are reduced. WACKER® Inhibitor PT 88 is a pot life extender and thus prolongs pot life and curing time.

 

Pigmentation:

ELASTOSIL® SOLAR 2205 is colourless, transparent and crystal clear. If necessary, the product can be pigmented by adding up to 2 wt. % of ELASTOSIL® COLOR PASTE FL.

 

Detailed information about processing and pigmentation is given in our brochure “ROOM TEMPERATURE VULCANIZING (RTV) SILICONES - MATERIAL AND PROCESSING GUIDELINES”. We recommend running preliminary tests to optimize conditions for the particular application.

 

Removal:

If removal of the silicone from machines or dispensing equipment is necessary, white spirit or similar nonpolar solvents are recommended. However, cleaning ideally should take place before the silicone is fully vulcanized. Cured silicone gel can be rubbed off and removed mechanically, if necessary in combination with a swelling agent (solvent). We recommend to run preliminary tests to optimize conditions for the particular application.

储存

Store in a dry and cool place.

 

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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