PW33 Water-based Phenoxy Resin

Name: PW33水性苯氧树脂
Brand: 广州飞思合成材料有限公司

High-performance waterborne resin solution replacing traditional fluorocarbon anti-corrosion coatings

What is PW33 water-based phenoxy resin?

PW33 is a waterborne anionic phenoxy resin dispersion engineered for thermoset coatings and adhesives. Phenoxy resins are tough, amorphous thermoplastic polymers offering exceptional thermal stability, adhesion strength, and barriers against steam and moisture. Cured, crosslinked phenoxy resins deliver outstanding chemical resistance, hardness, and adhesion across diverse substrates—including steel, aluminum, glass, wood, carbon fiber, and plastics such as nylon and polyester. Incorporating waterborne phenoxy into conventional two-component waterborne formulations enhances final film hardness, reduces tack-free time, and improves gloss.

Key Features

Core Advantages of PW33 Waterborne Phenoxy Resin

Alternative to traditional fluorocarbon corrosion protection

Delivers corrosion protection on par with fluorocarbon coatings at a lower cost and with greater environmental friendliness.

Excellent water and steam barrier properties

Effectively blocks moisture and vapor penetration to protect the substrate from corrosion.

Excellent chemical resistance

Excellent resistance to acids, alkalis, solvents, and other chemicals

Superior flexibility

The coating offers excellent flexibility and impact resistance, resisting cracking.

The coating is self-lubricating.

Smooth surface with low friction coefficient for easy processing and use.

Increase film hardness and gloss

Reduce dry-off time for improved coating hardness and gloss.

Key Product Metrics

Technical Specifications of PW33 Water-Based Phenoxy Resin

No.	Projects	Unit	Reference Value
1	Appearance	--	Milky white liquid
2	Viscosity (25±1°C)	mPa·s	200-1500
3	Solid Content	%	35±2
4	pH	--	6.8-7.8
5	average particle size	μm	≤3

Uses and Usage

Application Areas and Usage Methods of PW33 Waterborne Phenoxy Resin

Usage Instructions and Curing Conditions

Add Ratio

In water-based wood finishes, combined with waterborne acrylic and waterborne polyurethane, add2-10%Usage improves flexibility, water resistance, and steam resistance.

Chemical Corrosion Protection Applications

Ideal for chemical fasteners and corrosion protection; pairs with hardener to deliver superior salt spray and chemical resistance.

Curing Method

• High-temperature curing:Cure with an amino resin hardener at 230°C for 20-30 minutes (or reduce the temperature and extend the cure time based on the component's heat resistance).
• Cure at room temperature:Cures at room temperature when used with waterborne polyurethane hardeners, or can cure directly at room temperature.

Typical Use Cases

PW33 Waterborne phenoxy resin is widely used across multiple industrial sectors.

Water-based wood finish

Surface coating for wood furniture, flooring, and other wood products to enhance water resistance and flexibility.

Corrosion protection for chemical fasteners

Chemical Corrosion Protection

Anti-corrosion coatings for chemical fasteners and equipment, delivering superior salt spray and chemical resistance.

Composite sizing

Sizing for glass and carbon fibers to improve interfacial bonding with the resin matrix.

Frequently Asked Questions

Frequently Asked Questions About PW33 Water-Based Phenoxy Resin

Q: Can PW33 water-based phenoxy resin completely replace fluorocarbon coatings?

PW33 delivers performance comparable to fluorocarbon coatings in most anti-corrosion applications, particularly in chemical resistance, weatherability, and barrier properties. However, suitability for replacement depends on your specific application, substrate type, and performance requirements. We recommend conducting a small-scale test first.

Q: How does PW33 compare in compatibility with other waterborne resins?

PW33 is compatible with common waterborne resins such as waterborne acrylics and waterborne polyurethanes. The recommended addition level is 2-10%; adjust based on final performance requirements. Conduct compatibility testing before large-scale use.

Q: What factors should be considered when selecting the curing temperature?

Curing temperature depends on your application and the heat resistance of the substrate. High-temperature curing (230°C, 20-30 minutes) delivers optimal performance. If the substrate cannot withstand high heat, use a waterborne polyurethane curing agent for room-temperature curing, or reduce the temperature and extend the cure time.

Q: Will the product freeze in low-temperature environments?

Yes, PW33 should not be stored in environments below 0°C, as freezing may occur and degrade product performance. Store indoors at temperatures above 25°C and avoid direct sunlight. If the product freezes accidentally, do not use it.

Q: What substrates is PW33 suitable for?

After curing and crosslinking, PW33 exhibits excellent adhesion to a wide range of substrates, including steel, aluminum, glass, wood, carbon fiber, and plastics (such as nylon and polyester). For specific applications, appropriate surface preparation and process optimization are recommended based on the substrate characteristics.