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EVAFLEX EV40W

EVAFLEX EV40W

CAS Number: 24937-78-8

Molecular Formula: (C₂H₄)n(C₄H₆O₂)m

About EVAFLEX EV40W

Evaflex Ethylene Vinyl Acetate (EVA) copolymers are defined by their unique molecular architecture, balancing the crystallinity of ethylene with the flexibility and polarity of vinyl acetate. Our portfolio ranges from high-flow adhesive resins to specialised low-gel film grades. We utilise advanced high-pressure autocl...

Variants

EVAFLEX EV40LW

CAS: 24937-78-8

EVAFLEX EA28400

CAS: 24937-78-8

EVAFLEX V421

CAS: 24937-78-8

EVAFLEX EV40W Specifications

CAS Number
24937-78-8
Molecular Formula
(C₂H₄)n(C₄H₆O₂)m
IUPAC Name
Ethylene-vinyl acetate copolymer
Canonical SMILES
C=C.CC(=O)OC=C
InChI Key
HDERJYVLTPVNRI-UHFFFAOYSA-N
InChI
1S/C2H4.C4H6O2/c1-2;1-3-4-2/h1-2H2;1H2,2H3
PubChem CID
175988
EINECS Number
607-457-0
MDL Number
MFCD00133996.
UNSPSC Code
13102002
eClass
39021701
NACRES
NA.21
Appearance
White to translucent granules
Odor
Odorless
Vinyl Acetate Content
Varies by grade (typically 18%–40%)
Melt Flow Index (MFI)
2–400 g/10 min (varies by grade)
Density
0.920–0.950 g/cm³
Softening Point
70–100°C
Solubility
Insoluble in water, soluble in aromatic hydrocarbons
Stability
Excellent thermal and UV resistance
Shelf Life
2 years
GHS Classification
Not classified as hazardous
Precautionary Statements
P280: Wear protective gloves when handling heated material. P261: Avoid inhalation of fumes during processing. P501: Dispose of contents/container in accordance with local regulations.

Solar Panel Encapsulation

Used as encapsulant material to improve durability and efficiency of photovoltaic cells.

Hot Melt Adhesives

Provides flexibility, adhesion strength, and moisture resistance in packaging and bookbinding.

Footwear and Foam Production

Used in shoe midsoles and foam sheets for comfort and shock absorption.

Medical Tubing & Packaging

EVA’s biocompatibility makes it suitable for IV bags, tubing, and pharmaceutical packaging.

Film & Coatings

Applied in lamination films, food-grade packaging, and stretch wrap films.

Temperature

Store in a cool, dry place below 30°C (86°F).

Environment

Avoid exposure to direct sunlight and high humidity.

Protection

Keep in sealed moisture-resistant bags.

Packaging Options

Available in 25 kg bags, 500 kg jumbo bags, and bulk shipments.

COA
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EVAFLEX EV40W FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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