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SILANIL® 258 has functionalities such as adhesion promoter, coupling agent and surface modifier.

Chemical Family: Silanes

Functions: Adhesion Promoter, Coupling Agent, Crosslinking Agent

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Identification & Functionality

Chemical Family
Molecular formula
(CH3O)3Si-(CH2)3OCH2-C2H3O
CAS No.
2530-83-8
EC No.
219-784-2
Technologies
Basic Functions

SILANIL® 258 - Basic Functions

Features & Benefits

Key Benefits of Crosslinker
  • Create network structure in Polymers.
  • Increase strength and hardness.
  • Provide longer service life of products.
  • Give higher temperature resistance.
  • Enhance ability of scrub resistance.
Key Benefits of Coupling Agent
  • Improve adhesion between resins and substrates.
  • Enhance corrosion resistance.
  • Provide compatibility between resins and fillers.
  • Increase mechanical strengths of composites.
  • Provide higher filler loading for composites.

Applications & Uses

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Puritymin. 98.50%
Refractive Index1428.0
Flash Point min. 101°C
Boiling Point min. 250°C

Technical Details & Test Data

Viscoelastic Graph

SILANIL® 258 - Viscoelastic Graph

Storage & Handling

Recommendation for Storage and Handling

N2 gas is required to purge into a container to get rid of moisture before and after filling silane liquid. In case of sample packing without N2 gas, the minimum air space in a sample container is recommended. Inner and outer caps must be tightly closed. More air space left in the container may cause self-crosslinking of silanes. Equipment should be cleaned with ethanol or methylated spirits and dried completely before use. Stainless steel, glass, and Teflon® are recommended for contact with silanes. Some silanes such as Silanil® 250 are recommended to keep in an amber container to avoid the sun light.