The silicone oil AR 20 is Polyphenyl-methylsiloxane. The chemical structure can be viewed in the attached image.
10836
Silicone oil AR 20
Silicone oil AR 20
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viscosity ~20 mPa.s, neat(25 °C)
Sinonimo/i:
Polyphenyl-methylsiloxane
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100 ML
78,60 €
500 ML
204,00 €
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Cambia visualizzazione
100 ML
78,60 €
500 ML
204,00 €
About This Item
Prodotti consigliati
Indice di rifrazione
n20/D 1.441-1.445
Livello qualitativo
Viscosità
~20 mPa.s, neat(25 °C)
Densità
1.000-1.020 g/mL at 20 °C
Categorie correlate
1 of 4
Questo articolo | 85419 | 10842 | 10838 |
|---|---|---|---|
| viscosity ~20 mPa.s, neat(25 °C) | viscosity ~200 mPa.s, neat(25 °C) | viscosity ~1000 mPa.s, neat(25 °C) | viscosity ~100 mPa.s, neat(25 °C) |
| density 1.000-1.020 g/mL at 20 °C | density 1.05 g/mL at 20 °C | density 1.09 g/mL at 20 °C | density 1.060-1.070 g/mL at 20 °C |
| Quality Level 200 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
Descrizione generale
Silicone oil AR 20 is a polydimethylsiloxane with phenyl groups that is commonly used as a heat transfer or pressure transfer fluid.
Applicazioni
Caratteristiche e vantaggi
Especially good thermostability (-50°C to +230°C)
Codice della classe di stoccaggio
10 - Combustible liquids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
338.0 °F - Not applicable
Punto d’infiammabilità (°C)
170 °C - Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves
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In some polymers, in addition to the usual structural alpha relaxation, a slower alpha' relaxation is observed with a non-Arrhenius temperature dependence. In order to understand better the molecular origin of this alpha' relaxation in poly(methylphenylsiloxane) (PMPS) we have studied
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What is the chemical structure of AR 20?
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How can I determine the shelf life / expiration / retest date of this product?
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdfUtile?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 risposta-
Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
Utile?
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Is this oil suitable for diffusion pump
1 risposta-
This product is a polydimethylsiloxane with phenyl groups that is commonly used as a heat transfer or pressure transfer fluid. Unfortunately, it hasn't been tested for diffusion pump applications.
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