AC531 Acrylic dispersion – Waterborne Hydroxyl Acrylic & Polyurethane Resins for Industrial solid-color stoving paints
AC531 is a waterborne acrylic dispersion from Monolith's Waterborne Hydroxyl Acrylic & Polyurethane Resins range, supplied as a blue-tinted white emulsion with 45% solid content and hydroxyl value 80 mgKOH/g (on solids). Key features: high gloss, high fullness, excellent weather resistance, high hardness, excellent chemical resistance, high popping limit. Recommended application: industrial solid-color stoving paints, OEM monocoat coatings.
Technical data
| Grade | AC531 |
|---|---|
| Type | Acrylic dispersion |
| Appearance | White emulsion with blue tint |
| Viscosity (mPa·s/25°C) | 100–10000 |
| Solid content (%) | 45±2 |
| Hydroxyl value, on solids (mgKOH/g) | 80 |
| pH | 6.0–9.0 |
| Solvent | Water / TPM / BCS |
All parameters are for reference and based on the COA at the time of shipment.
Key features
- High gloss
- high fullness
- excellent weather resistance
- high hardness
- excellent chemical resistance
- high popping limit
Applications
Industrial solid-color stoving paints, OEM monocoat coatings
Reference formulation
Amino stoving paint
| Raw material | Parts by weight |
|---|---|
| Resin-free white grinding paste (NV 70%) | 37 |
| AC531 (45%) | 40 |
| Water | 9.6 |
| DMEA-10 | 0.2 |
| Cymel 303 | 7.2 |
| DBG (diethylene glycol butyl ether) | 2 |
| BCS (butyl cellosolve / 2-butoxyethanol) | 3 |
| Wetting agent | 0.2 |
| QD011 acid catalyst | 0.4 |
| Deionized water | 0.4 |
| Total | 100 |
P/B (pigment-to-binder ratio): 1 · Amino ratio: 2.5
Starting-point formulations for guidance; validate against the TDS and your own trials.
Related grades
Series: Waterborne Hydroxyl Acrylic & Polyurethane Resins · Related: AC517M · AC523 · AC572 · AC590 · All products
Request TDS / Sample
Request TDS / Sample · Email: martin@monolithchem.com · WhatsApp: +86 135 5613 5445
FAQ
What is AC531 used for?
According to the Monolith technical data, AC531 is recommended for: industrial solid-color stoving paints and OEM monocoat coatings.
What are the key specifications of AC531?
Appearance: white emulsion with blue tint; solid content: 45±2%; hydroxyl value (on solids): 80 mgKOH/g; viscosity: 100–10000 mPa·s at 25°C; pH: 6.0–9.0; solvent: water / TPM / BCS. All parameters are for reference and based on the COA at the time of shipment.
Is there a starting-point formulation for AC531?
Yes. A white amino stoving paint (parts by weight): resin-free white grinding paste (NV 70%) 37, AC531 40, water 9.6, DMEA-10 0.2, Cymel 303 7.2, DBG 2, BCS 3, wetting agent 0.2, QD011 acid catalyst 0.4, deionized water 0.4; total 100, P/B 1, amino ratio 2.5. Starting-point formulations for guidance; validate against the TDS and your own trials.