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Dynasylan® SILBOND® HT-33

Chemical Family
Silicates

Dynasylan® SILBOND® HT-33 is a milky-white, low-viscosity pre-hydrolyzed ethyl polysilicate hybrid binder, boasts a silica content ranging from 32.7% to 34.0% (as SiO2). Formulated for two-component inorganic zinc-rich primers, this material brings about improved toughness and exceptional performance in high-temperature applications. The elevated SiO2 content directly contributes to its enhanced toughness.

Identification

CASE Ingredients Functions
Binder & ResinSurface Modifier

Product families

Applications

Paints & Coatings — Automotive & Transportation
  • Marine Coatings
Paints & Coatings — Industrial Coatings
  • Industrial Coatings
Paints & Coatings — Packaging Coatings
  • Primers & Lacquers

Product Families

CASE Ingredients — Additives
  • Surface Modifiers
CASE Ingredients — Resins & Binders
  • Other Resins & Binders

Other characteristics

Brand
Dynasylan
Functions
Binder & Resin, Surface Modifier
Labeling Claims
Low VOC
Markets
Paints & Coatings
Appearance
Milky - white. low - viscous opaque liquid
Shelf LIfe
6 months
Technology
CASE Ingredients
Packaging Type
  • Drums
  • Pails
  • Totes (IBC)
Packaging Information

Dynasylan® SILBOND® HT-33 could be available in pails, drums, totes, and tanker quantities.

Coating End Applications
Primer
Applications

Dynasylan® SILBOND® HT-33 can be used, as delivered, to make inorganic zinc-rich primers for the marine and industrial coatings industries.; The degree of hydrolysis and acidity have been optimized for the required reactivity and sufficient storage stability.; The hydrolysis and condensation has been started during the production of the binder.; Through a shift in the pH this process is accelerated.; This shift is achieved by addition of fillers, pigments, additive, or through the evaporation of solvent or exposure to atmospheric moisture.; The resulting silicic acid gel cures rapidly at ambient temperatures in air.; The process of curing can be accelerated through the addition of alkali catalysts.

Technical data

Table 1 of 1

5 rows
CharacteristicValueUnit
Boiling Point78.0°C
Density (at 20°C)1.028 - 1.045g/cm³
Flash Point13.0°C
Silica Content (as SiO₂)32.7 - 34.0% wt
Viscosity (at 20°C)4.0 - 12.0mPa.s

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