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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, ELASTOSIL® CAT CPV or ELASTOSIL® 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
  • 电绝缘性
  • 紫外线稳定性
  • 耐紫外线性和耐候性
  • 高透明度
  • 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 curing agents of the ELASTOSIL® CAT series. 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 (for  a medium curing speed) and ELASTOSIL® CAT PT-F (for fast curing). When a slow curing is required, ELASTOSIL® CAT CPV can be used. Besides, ELASTOSIL® CAT UV allows a UV-activated, very fast 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".

 

Furthermore, 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).

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 Chemie AG
Heilbronner Strasse 74
70191 Stuttgart
德国
+49  711  61942-0 （电话）
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个产品 技术数据
动态粘度 Tear-growth resistance Shore density A 邵氏00硬度 Breaking strength 断裂伸长率
ELASTOSIL® RT 426 - - > 4 N/mm[1] > 4 N/mm[1] 60[2] 60[2] - - 4.5 N/mm²[5] 4.5 N/mm²[5] 120 %[8] 120 %[8]
ELASTOSIL® RT 563 - - 3 N/mm[1] 3 N/mm[1] 55[2] 55[2] - - 4.5 N/mm²[5] 4.5 N/mm²[5] 120 %[8] 120 %[8]
ELASTOSIL® RT 602 A/B 5000 mPa·s[11] 5000 mPa·s[11] - - 30[3] 30[3] - - 1.5 N/mm²[6] 1.5 N/mm²[6] 130 %[9] 130 %[9]
ELASTOSIL® RT 607 A/B 15000 mPa·s[12] 15000 mPa·s[12] - - 55[3] 55[3] - - 3 N/mm²[6] 3 N/mm²[6] 100 %[9] 100 %[9]
ELASTOSIL® RT 622 A/B 18000.0 mPa·s[13] 18000.0 mPa·s[13] 30 N/mm[1] 30 N/mm[1] 27[4] 27[4] - - 6.5 N/mm²[7] 6.5 N/mm²[7] 550 %[10] 550 %[10]
ELASTOSIL® SOLAR 2205 - - - - - - 50[15] 50[15] - - - -
SEMICOSIL® 949 UV A 150.0 mPa·s[14] 150.0 mPa·s[14] - - - - 40[16] 40[16] - - - -
SEMICOSIL® 949 UV B 150.0 mPa·s[14] 150.0 mPa·s[14] - - - - 40[16] 40[16] - - - -
说明
[1] Tear-growth resistance | ASTM D 624 B,  [2] Shore density A | ISO 868,  [3] Shore density A | DIN ISO 48-4,  [4] Shore density A | DIN 53505 / ISO 868,  [5] Breaking strength | ISO 37,  [6] Breaking strength | ISO 37 type 1,  [7] Breaking strength | DIN 53504 S1 / ISO 37,  [8] 断裂伸长率 | ISO 37,  [9] 断裂伸长率 | ISO 37 type 1,  [10] 断裂伸长率 | DIN 53504 S1 / ISO 37,  [11] 动态粘度 | 23 °C | ISO 3219,  [12] 动态粘度 | 23 °C | DIN EN ISO 3219,  [13] 动态粘度 搅拌后 | 23 °C | DIN EN ISO 3219 | Spindle 4; 2,5 UpM; 23 °C,  [14] 动态粘度 | 25.0 °C | DIN EN ISO 3219,  [15] 邵氏00硬度 | ASTM D 2240,  [16] Shore 00 | 23 °C | ASTM D 2240 | 10 sec 140 mW/cm² followed by 30 min 150°C 

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Wacker Chemie AG
Heilbronner Strasse 74
70191 Stuttgart
+49  711  61942-0 （电话）

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