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KELLOMER STA-2140

1 of 10 products in this brand
KELLOMER STA-2140 is a star branched acrylate. Films of STA-2140 cured by UV/EB exhibit high hardness with flexibility and excellent scratch resistance to film and plastic.

Chemical Family: Acrylics & Acrylates

Molecular Weight: 14100.0 - 14100.0 g/mol

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
CASE Ingredients Functions
Technologies

Features & Benefits

Features
  • High hardness with flexibility
  • Excellent scratch resistance
  • Excellent chemical resistance
  • Fast cure response

Applications & Uses

Compatible Substrates & Surfaces
Applications
  • Special coatings
  • Coatings requiring scratch
  • and chemical resistance
  • Flexible display coatings
  • High hard coatings

Properties

Physical Form
Appearance
Clear liquid
Typical Properties
ValueUnitsTest Method / Conditions
Functionality40
Colormax. 100APHA
Viscosity (at 25ºC)2900cps
Refractive Index (at 25ºC)1.491
Polymer Solids (in weight)100%
Molecular Weight14100g/mol
Gel Content93%
Cure Speed (Dosage)450mJ/cm2
Pencil Hardness8H
Tensile Strength4300PSI
Elongation2%
Solvent Resistance (MEK rubbing)min. 100
Yellow Index (△E)3.8
Gloss (60º)126

Technical Details & Test Data

Stress-Strain Curve

KELLOMER STA-2140 - Stress-Strain Curve

Safety & Health

Precautions

The toxicological properties of this product have not been fully determined, it can be expected to be eye and skin irritants and have the potential to cause allergic responses also avoid direct exposure to the eyes and skin.See MSDS(Material Safety Data Sheet) for emergency and first aid procedure.

Packaging & Availability

Packaging Type
Packing

20kg in pail and 200kg in steel drum.

Storage & Handling

Storage & Handling

This product should be stored in a cool place (below 40℃) away from direct sunlight, the containers should be kept sealed and if opened should be resealed tightly also do not store this
material under an oxygen free atmosphere. This material should not be stored for more than 1 year and additional information is contained within the MSDS(Material Safety Data Sheet).