The silicone oil AR 20 is Polyphenyl-methylsiloxane. The chemical structure can be viewed in the attached image.
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Silicone oil AR 20
Silicone oil AR 20
1 of 1 reviewers received a sample product or took part in a promotion
viscosity ~20 mPa.s, neat(25 °C)
Sinônimo(s):
Polyphenyl-methylsiloxane
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100 ML
R$ 509,00
500 ML
R$ 1.806,00
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100 ML
R$ 509,00
500 ML
R$ 1.806,00
About This Item
Produtos recomendados
índice de refração
n20/D 1.441-1.445
Nível de qualidade
viscosidade
~20 mPa.s, neat(25 °C)
densidade
1.000-1.020 g/mL at 20 °C
Categorias relacionadas
Descrição geral
Silicone oil AR 20 is a polydimethylsiloxane with phenyl groups that is commonly used as a heat transfer or pressure transfer fluid.
Aplicação
Características e benefícios
Especially good thermostability (-50°C to +230°C)
Código de classe de armazenamento
10 - Combustible liquids
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
338.0 °F - Not applicable
Ponto de fulgor (°C)
170 °C - Not applicable
Equipamento de proteção individual
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?
1 answer-
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.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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
Helpful?
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Is this oil suitable for diffusion pump
1 answer-
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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