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Water-based Hydroxyl Acrylic Dispersion for Two-component Polyurethane Coatings with Salt Spray Resistance, Acid and Alkali Resistance, and Long Initial Water Resistance Time

Nombre De La Marca:	WeiLi
Número De Modelo:	WL-AD3947
Cuota De Producción:	5000KGS
Precio:	Negotiate
Condiciones De Pago:	T/T
Capacidad De Suministro:	鎮ㄨ鎵剧殑璧勬簮宸茶鍒犻櫎銆佸凡鏇村悕鎴栨殏鏃朵笉鍙敤銆

Información detallada

Lugar de origen:

PORCELANA

Certificación:

ISO9001

Características:

Excelente adherencia sobre diversos sustratos.

Ventaja:

para sistemas integrados de imprimación y capa final

Contenido de hidroxilo:

3,2 (valor de referencia, %)

Actuación:

resistencia al agua súper alta

Uso:

barniz de acabado y acabado para metal

Propiedad:

adecuado para operaciones al aire libre

Detalles de empaquetado:

Tambor de plástico

Resaltar:

Descripción del producto

Water-based Hydroxyl Acrylic Dispersion For Two-component Polyurethane Coatings

Core Product Profile

A water-based hydroxyl acrylic dispersion designed for formulating high-performance two-component polyurethane coatings when combined with a water-based isocyanate curing agent.
Primarily used for topcoats and clear finishes on various metal substrates. Also suitable as a resin for integrated primer-topcoat systems.

Key Performance Features

Superior protection: Excellent water resistance, salt spray resistance, acid and alkali resistance, along with a relatively long initial water resistance time, making it ideal for outdoor applications and harsh environments.
Excellent adhesion: Performs well on a variety of substrates.
High cost-effectiveness: Offers high performance at a competitive cost.
Strong compatibility: Can be paired with both water-based and solvent-based curing agents, providing formulation flexibility.

Physical Properties

Application Guidelines

Recommended co-solvents:
- For main agent: DPNB, PNB, DBG, BG
- For dilution: PGDA, PMA, PMA+DBE (1:1 or 1:2 mixture)
Important notes:
- High initial viscosity after mixing A/B components may shorten the pot life.
- Not recommended for paste grinding due to potential stability issues that may impact performance.
Viscosity adjustment: If viscosity decreases during storage (due to pH drop), it can be readjusted by adding a 10%-20% diluted DMEA aqueous solution.

Testing Example

Recommended curing agent: WL-AC300 (for primer-topcoat systems)
Mixing ratio: 4 : 1 (base resin : curing agent)
Film thickness control: Up to 85μm without pinholes.
Curing process: Baking at 80℃ for 2-4 hours followed by ambient curing for 1-7 days results in excellent salt spray resistance.

Packaging & Storage

Packaging: 20KG/200KG/1000KG wide-mouth plastic drums, or customized per customer requirements.
Shelf life: 6 months.
Storage conditions: Store in sealed containers, protected from freezing and high temperatures. Recommended storage temperature: 5~35℃.
Usage recommendation: Use shortly after opening.

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