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437247

Sigma-Aldrich

Poly(ethylene-co-vinyl acetate)

vinyl acetate 12 wt. %, melt index 8 g/10 min (190°C/2.16kg)

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About This Item

Linear Formula:
(CH2CH2)m[CH2CH(OCOCH3)]n
CAS Number:
24937-78-8
MDL number:
MFCD00133996
UNSPSC Code:
12162002
PubChem Substance ID:
24867359
NACRES:
NA.23
Pricing and availability is not currently available.

form

beads

autoignition temp.

500 °F

melt index

8 g/10 min (190°C/2.16kg)

contains

400-1200 ppm BHT as antioxidant

composition

vinyl acetate, 12 wt. %

hardness

43 (Shore D, ASTM D 2240)

mp

95 °C

transition temp

softening point 65 °C (Vicat, ASTM D 1525)

density

0.933 g/mL at 25 °C

SMILES string

C=C.CC(=O)OC=C

InChI

1S/C4H6O2.C2H4/c1-2-3-4(5)6;1-2/h2H,1,3H2,(H,5,6);1-2H2

InChI key

DQXBYHZEEUGOBF-UHFFFAOYSA-N

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Application

Flexible tubing, color concentrates, gaskets and molded parts for autos, plastic lenses and pumps.

Features and Benefits

Thermoplastic, resilient, tough and resistant to ozone and environmental stress cracking. Inherently flexible, requiring no plasticizers.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKBH6596V
MKBB1556
04931CE
05921BN

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Christopher Mc Conville et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 100(4), 891-895 (2012-03-23)
Vaginal rings are currently being investigated for delivery of HIV microbicides. However, vaginal rings are currently manufactured form hydrophobic polymers such as silicone elastomer and polyethylene vinyl acetate (PEVA), which do not permit release of hydrophilic microbicides such as the
Fernando R Nodal et al.
The Journal of physiology, 590(16), 3965-3986 (2012-05-02)
The cerebral cortex plays a critical role in perception and in learning-induced plasticity. We show that reversibly silencing any of the main regions of auditory cortex impairs the ability of adult ferrets to localize sound, with the largest deficit seen
Kanchana A Weerakoon et al.
Pest management science, 68(6), 906-913 (2012-01-21)
Plants emit phytochemicals as a defensive mechanism against herbivores. A small sensor switch that responds to these chemicals could be used to stop insect infestation at early stages. Polyethylene-co-vinyl acetate was chosen as the best polymer for this particular application
P Sriamornsak et al.
Die Pharmazie, 66(8), 576-583 (2011-09-10)
The aim of this study was to investigate the drug release from microparticles coated with various polymeric films. Ibuprofen-loaded microparticles with diameter of 250 and 300 microm were prepared by a fluidized bed granulator. Five polymers were used as coating
A Almeida et al.
International journal of pharmaceutics, 439(1-2), 223-229 (2012-09-29)
The aim of the present work was to evaluate drug release and quality of EVA/drug matrices at different PEO 7M concentrations (5 and 15%), manufactured using two different hot-melt extruders: a lab-scale mini extruder and a pilot-scale extruder. The process
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Questions

1–2 of 2 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

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  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

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