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DEHESIVE® EM 491

1 of 40 products in this brand
DEHESIVE® EM 491 is an emulsion comprising vinyl polymer and hydrogen polysiloxane. It is employed alongside other components to apply a silicone release layer onto paper substrates. This product offers the advantages of very fast and low-temperature curing. It is well-suited for both porous and closed paper substrates.

Chemical Family: Vinyl Polymers

Compatible Substrates & Surfaces: Paper

Features: Fast Cure, Good Release Properties, Low Temperature-Curing, Shear Resistance

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
CASE Ingredients Functions
Technologies

Features & Benefits

Applications & Uses

Compatible Polymers & Resins
Compatible Substrates & Surfaces
Application Details

DEHESIVE® EM 491 is compounded with Silicone Emulsion Catalysts like Cat EM 470.

  Processing

  • Before use, stir thoroughly.
  • Prepare the water quantity in a clean container while stirring slowly.
  • Add the DEHESIVE® EM 491 directly to the tank and mix at moderate shear.
  • Add additional components if needed. Homogenize thoroughly. 
  • Add the Catalyst EM in the last step and mix at moderate shear to achieve a homogeneous bath. Please take care of perfect homogenization while adding the Catalyst EM.
  • Avoid local concentration peaks and catalyst poisons.

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Content42%
Properties
  • Very fast and low temperature cure
  • Flat release profile
  • Very Good release stability
  • Excellent anchorage to a wide variety of substrates
  • Good bath life
  • Very good shear resistance
  • suitable for porous and closed paper substrates

Regulatory & Compliance

Packaging & Availability

Regional Availability
  • Africa
  • Asia
  • Europe

Storage & Handling

Storage Information

Silicone emulsions are not freeze/thaw stable. Store in cool and dry place.