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Substrate wetting additive STD-249

IntroductionComposition: Polyether modified silicone oilAppearance: light yellow viscous liquid

Email: info@standard-groups.com

Contenuto

Introduzione

Composition: Polyether modified silicone oil

Appearance: light yellow viscous liquid

Active ingredient: 100%

Solvent: NoneScope of Application:

Suitable for waterborne wood coatings, waterborne industrial coatings and UV light curing coatings, inks and other systems


CategoryDetails
Product NameSTD-249 Silicone-Based Wetting Additive
Chemical TypePolysiloxane copolymer with hydrophilic modification
Key Applications– Low-Surface-Energy Substrates: Fluoropolymers, silicones
– High-Temperature Coatings: Powder coatings, ceramic inks
– Composite Materials: Carbon fiber, glass fiber sizing
FunctionReduces interfacial tension for uniform liquid penetration
Vantaggi– Wetting Speed: Rapid spread on PTFE/PET within 5 sec
– Thermal Stability: Effective up to 250°C
– Chemical Resistance: Inert to acids/bases
Technical Data– Appearance: Clear amber liquid
– Active Content: 60%
– Viscosity: 200-500 cPs
– Surface Tension: 21 mN/m @1% concentration
Usage Guidelines– Add Rate: 0.2-1.5% by weight
– Mixing: High-speed dispersion
– Storage Temp: -20°C to 40°C
Performance– Contact Angle Reduction: From >110° to <20° on silicone rubber
– Reworkability: Retains activity after 3 freeze-thaw cycles
Safety– Handling: Avoid contact with eyes
– Flash Point: >100°C
– Disposal: Incinerate per local regulations
CertificationsComplies with FDA 21 CFR 175.300 for food contact coatings


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