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378399

Sigma-Aldrich

硅油

viscosity 1,000 cSt (25 °C)

别名:

Dimethylpolysiloxane, Dimethylsilcone fluid, Poly(dimethylsiloxane)

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250 ML
$175.00
1 L
$496.00

$175.00

国内现货，预计发货时间2025年5月20日详情

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250 ML
$175.00
1 L
$496.00

About This Item

线性分子式:
[-Si(CH3)2O-]n
CAS号:
63148-62-9
MDL號碼:
MFCD00132673
分類程式碼代碼:
12162002
NACRES:
NA.23

$175.00

国内现货，预计发货时间2025年5月20日详情

Request a Bulk Order

蒸汽密度

>1 (vs air)

品質等級

200

蒸汽壓力

<5 mmHg ( 25 °C)
5 mmHg ( 20 °C)

形狀

viscous liquid

折射率

n20/D 1.403 (lit.)

黏度

1,000 cSt(25 °C)

bp

>140 °C/0.002 mmHg (lit.)

密度

0.97 g/mL at 25 °C

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相关类别

一般說明

硅油是液体状态的硅烷，是甲基硅油体系的一部分。它的粘度为1000 cSt，折射率~ 1.403，介电强度~ 14 kV/mm。表面张力随粘度增加而增加。[1]

應用

硅油应用广泛，可用于：化工和石油化工行业的热传递油、介电冷却剂[1]、建材的保护性涂料[2]、化妆品添加剂。[3]

儲存類別代碼

10 - Combustible liquids

水污染物質分類（WGK）

WGK 1

閃點（°F）

214.0 °F - closed cup

閃點（°C）

101.1 °C - closed cup

個人防護裝備

Eyeshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCX8977
MKCX4081
MKCV5972
MKCW7167
MKCT6913

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Progress in Organic Coatings, 111, 124-163 (2017)
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Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. 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.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. 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

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