VANABIO® US5251
VANABIO® US5251
VANABIO® US5251

3-Ureidopropyltrimethoxysilane

VANABIO®US5251 is the equivalent of Momentive's A-1524, Wacker's GF98 silane.


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Technical Data


CAS No.

23843-64-3

EINECS No.

245-904-8

Formula

C7H18N2O4Si

Molecular Weight

222.32

Boiling Point

220°C [760mmHg]

Flash Point

99°C



Color and Appearance

Amber clear liquid

Density 25/25°C

1.15

Refractive Index

1.386 [25°C]

Min. Purity

98.5%


Application


  • Ureido-functional silane has better stability than amino silanes in reactive silicone polymer systems, like phenolic, epoxy, urea-melamine or polyurethane.


  • Ureido-functional silane does not generate color with time and aging.


  • Ureido-functional silane has good adhesive and sealant adhesion to oil metals.


  • Ureido-functional silane provides nitrogen reactivity without typical amino silanes strong basic characteristics.


  • VANABIO® US5251 can be used for glass fiber sizes and finishes, wool insulation resin binders, numerous primers, foundry sand binders, adhesives, sealants and abrasive grinding wheel binders.


  • VANABIO® US5251 can improve adhesion between the inorganic silicone filler or fiber and the polymer.

Packing and Storage


  • VANABIO® US5251 is supplied in 220Kg steel drum.


  • In the unopened original container VANABIO® US5251 has a shelf life of one year in a dry and cool place.

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