Waterborne binders as the basis for wood coatings, architectural paints and industrial applications — bio-based grades available.
The binder decides almost everything the customer ends up judging: hardness, flexibility, adhesion, resistance, yellowing, gloss. Waterborne dispersions form their film by water evaporating and polymer particles coalescing — what they gain in environmental profile they demand back in care over film formation and drying conditions.
In practice the route runs via the minimum film-forming temperature and the coalescent content required — and therefore straight to the VOC balance of the formulation. Pure acrylics, styrene acrylics and polyurethane dispersions set their priorities differently, from weathering through block resistance to chemical resistance. Bio-based grades are available where a sustainability claim is part of the requirement.
What matters when choosing
Minimum film-forming temperature and coalescent demand — the lever for the VOC balance
Weigh hardness against flexibility, depending on substrate and exposure
Block resistance where coated parts are stacked or closed
Yellowing tendency in light and white systems
Chemical and wet-scrub resistance of the target standard
Bio-based content where it has to be declared
Selection guide at a glance
Type
Strengths
Typical use
Pure acrylic
Weathering and UV stability, low yellowing
Façade paints, exterior wood
Styrene acrylic
Cost-conscious, water resistant
Interior paints, primers, construction chemicals
PU dispersion
Hardness and elasticity combined, chemical resistance
Parquet and furniture coatings, industry
PU/acrylic hybrid
PU properties at moderate cost
Wood coatings, industrial applications
Bio-based grades
Renewable raw material content can be declared
Projects with sustainability requirements
Guide values for initial orientation — our assessment as a distributor. The manufacturer's technical data sheet and trials in your own system are decisive.
Trade names in our range
Extract from our product database. Click a name — Coaty will explain the product to you.
Technical data sheets and free samples come directly from us — no detour via the manufacturer. Prices on request.
