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/418/501/product-dating-information-06-25-mk.pdf
429015
Polyethylene
Ultra-high molecular weight, average Mw 3,000,000-6,000,000
Synonyma:
PE
Vybrat velikost
| Velikost balení | Skladová položka | Dostupnost | Cena |
|---|---|---|---|
| 250 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 1 420,00 Kč | |
| 1 kg | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 3 770,00 Kč |
O této položce
1 420,00 Kč
description
coefficient of friction: 0.20 - 0.25
(Cr-plated steel, 23°C, static, ASTM D 1894)Quality Level
form
powder
mol wt
average Mw 3,000,000-6,000,000
hardness
52 (Rockwell R, ASTM D 785)
transition temp
softening point 136 °C (Vicat, ASTM D 1525B), Tm 138 °C (DSC)
density
0.94 g/mL at 25 °C
SMILES string
C=C
InChI
1S/C2H4/c1-2/h1-2H2
InChI key
VGGSQFUCUMXWEO-UHFFFAOYSA-N
Application
Features and Benefits
Abrasion, corrosion and impact resistance exceeds many conventional materials, including steel and expensive metals and alloys.
1 of 1
Tato položka | |||
|---|---|---|---|
| form powder | form powder | form powder | form pellets |
| density 0.94 g/mL at 25 °C | density 0.94 g/mL at 25 °C | density 0.94 g/mL at 25 °C | density (high density) |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| transition temp softening point 136 °C (Vicat, ASTM D 1525B), Tm 138 °C (DSC) | transition temp Tm (DSC) 146 °C (at peak) | transition temp Tm (DSC) 144 °C (at peak) | transition temp softening point 123 °C (Vicat, ASTM D 1525) |
| description coefficient of friction: 0.20 - 0.25 (Cr-plated steel, 23°C, static, ASTM D 1894) | description - | description - | description - |
| mol wt average Mw 3,000,000-6,000,000 | mol wt (Ultra-high molecular weight) | mol wt (Ultra-high molecular weight) | mol wt - |
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Skladovací třída
11 - Combustible Solids
wgk
WGK 3
ppe
Eyeshields, Gloves, type N95 (US)
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Globální číslo obchodní položky
| Skladová položka | GTIN |
|---|---|
| 429015-250G | 04061832105239 |
| 429015-1KG | 04061832105222 |
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How can I determine the shelf life / expiration / retest date of this product?
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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
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What is the technique used to derive the polymer’s molecular weight of the product 429015?
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According to the supplier, the molecular weight for 429015 Polyethylene is determined by viscometry.
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What is the particle size for this product
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The particle size of this item is not determined.
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