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Merck

430102

Sigma-Aldrich

Polystyrene

average Mw ~192,000

Synonim(y):

PS

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1 KG
478,00 zł
3 KG
572,00 zł

478,00 zł


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1 KG
478,00 zł
3 KG
572,00 zł

About This Item

Wzór liniowy:
[CH2CH(C6H5)]n
Numer CAS:
Numer MDL:
Kod UNSPSC:
12162002
Identyfikator substancji w PubChem:
NACRES:
NA.23

478,00 zł


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Formularz

beads or pellets

Poziom jakości

wskaźnik szybkości płynięcia

6.0-9.0 g/10 min (200°C/5kg)

masa cząsteczkowa

average Mw ~192,000

współczynnik refrakcji

n20/D 1.59

temp. przejścia

softening point 107 °C (Vicat, ASTM D 1525)

ciąg SMILES

c1(ccccc1)C=C

InChI

1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2

Klucz InChI

PPBRXRYQALVLMV-UHFFFAOYSA-N

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Opis ogólny

Hard, clear moderately strong polymer, biologically inert, good dimensional stability. Susceptible to exterior (UV) degradation.

Zastosowanie

Extrusion molded foamed packaging, dinnerware, bottles and toys. Injection molded packaging containers, toys and disposable cutlery.

Postać fizyczna

Thermoplastic amorphous polymer.
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Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

Eyeshields, Gloves, type N95 (US)


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Certyfikaty analizy (CoA)

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Questions

1–3 of 3 Questions  
  1. 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

      Helpful?

  2. 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

      Helpful?

  3. please tell me the approximate size of this polystyrene.

    1 answer
    1. This material may be in granular or pellet form. Unfortunately, the particle size has not been determined.

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