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Products > silane surface modifier AC-220

silane surface modifier AC-220

	silane surface modifier AC-220
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Typical Technical Data

The below values are not intended for use in preparing specifications. Please confirm with us prior to writing specifications on this product.

CAS NO.:  919-30-2

EINECS NO.:  213-048-4

Appearance:  Colorless transparent liquid

Colour (Pt-Co):  25 max

Specific Gravity (ρ20°C,g/cm3):  0.940~0.950

Refractive Index ( ):  1.4180~1.4220

Purity (by GC, %):  98.0 min



In addition to its application as an adhesion promoter in formulations and primers, silane AC-220 functions as a surface modifier in fillers and pigments, where it improves the dispersibility of the filler and the mechanical properties – such as flexural strength, tensile strength and modulus - of the composites. The silane also reduces the filler's sedimentation tendency in the uncured polymer.

Silane AC-220 also greatly increases water (vapor) and corrosion resistance.



Silane AC-220 is an vital additive for many applications, such as follows:

 Glass fiber or glass fabric composites:As a finish or size constituent

 Mineral fiber insulating materials and abrasives: As an additive to phenolic resin binders

 Foundry resins: As an additive to phenolic,  furan and melamine resins

Sealants and adhesives: As a primer or additive and for chemical modification

 Mineral-filled polymers or HFFR cables:  For pretreatment of fillers and pigments

 Paints and coatings: As an additive and primer for improving adhesion to the substrate

 As a primer for glass and metal

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