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ELASTOSIL® SOLAR 2203

ELASTOSIL® SOLAR 2203 is a pourable, addition-curing, RTV-2 silicone rubber for potting, lamination and encapsulation purposes. The product vulcanizes at room temperature to yield a very soft silicone gel.

 

ELASTOSIL® SOLAR 2203 shows a pronounced inherent tack and long-term stability against weathering, moisture and UV light. The soft silicone gel 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, when processed with ELASTOSIL® CAT PT-F or ELASTOSIL® CAT CAT UV

Cured:

  • very low hardness (silicone gel)
  • crystal clear vulcanisate
  • very high light transmission in the range of 250 nm to 1100 nm
  • excellent resistance to UV light
  • pronounced inherent tack
  • recommended service temperature range: -50 °C to +160 °C

ELASTOSIL® SOLAR 2203的特殊性能

  • 交联性能: 加成固化
  • 交联性能: 双组分
  • 产品种类: 双组分
  • 具体特征: 加成固化
  • 具体特征: 双组分
  • 抵抗力: 紫外线稳定性
  • 硫化胶: 光学透明
  • 耐久性: 紫外线稳定性

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。

  • multi-purpose 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 2203. 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 2203 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 2203 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 2203, 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 2203 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 2203 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 2203 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 2203.

 

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 2203 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 2203 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).

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
中国大陆
+86  21  6130-2000 (电话)
+86 21 6130-2500  (传真)
Contact Sales

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更多产品

产品 技术数据
动态粘度 锥入度
ELASTOSIL® SOLAR 2202 A/B 1000 mPa·s[1] 1000 mPa·s[1] 300 1/10mm[2] -
ELASTOSIL® SOLAR 2203 - - 70 1/10mm[3] 70 1/10mm[3]
WACKER SilGel® 613 - - 70 1/10mm[4] -
说明
[1] 动态粘度 (混合物) | 25 °C | ISO 3219,  [2] 锥入度 (150克空心锥) | DIN ISO 2137,  [3] 锥入度 (hollow cone, 9.38 g, 5 s) | DIN ISO 2137,  [4] 锥入度 9.38克空心锥 | DIN ISO 2137 

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