Good Bonding Strength Solvent-Free Cardanol Modified PAA Curing Agent Hw-540 for Marine Coatings

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Product Description

📋 Basic Information
Model NO.
HW-540
Main Raw Material
Phenalkamine Cardanol
Method
Spray
Level
Primer, Middle, Topcoat
Drying Method
Air Drying
Certification
ISO9001
Substrate
Ceramic
Components
Phenalkamine Cardanol
Viscosity
2000-3000
Amine Value
490-550
Transport Package
Drum
Specification
200 KG/Drum
Origin
China
Production Capacity
90,000 Tons Per Year
🔍 Product Description

Epoxy hardener HW-540 is a low-viscosity, solvent-free cardanol modified PAA curing agent mainly used in epoxy coating systems. The product features low viscosity, rapid curing, low surface treatment requirement, high glass transition temperature, good bonding strength, excellent chemical resistance, and excellent adhesion even on wet or untreated substrate surfaces. Due to the excellent water resistance and corrosion resistance, it is very suitable for heavy-duty coatings, marine coatings, and other industrial fields.

📊 Physical and Chemical Properties
Property Value
AppearanceReddish brown liquid
Color (Gardner)≤ 17
Volatile (%)≤4.0
Amine value (mgKOH)490-550
Viscosity (25°C, mPas)2000-3000
Density (25°C, kg/L)0.96-0.99
AHEW81
Flash point (°C)107.2
Recommended PHR (Liquid resin, EEW= 190)30-40
🚀 Application Fields

Epoxy hardener HW-540 is suitable for various specialized fields including:

  • Marine coatings and industrial maintenance coatings.
  • Protective and floor coatings (high-solid or solvent-free).
  • Concrete or metal can lining and pipeline coatings.
  • Applications requiring performance in cold and wet conditions.
  • Projects with short construction periods due to fast curing and high hardness.
  • Suitable for substrates with low surface treatment requirements.
📦 Storage and Packaging
  • Storage: Stored in a cool and dry place with ventilation; can be sealed for 12 months.
  • Package: 200kg / iron drum.
Core Advantages
  • 20+ years of expertise in manufacturing and exporting epoxy materials.
  • Annual capacity reaches 90,000 tons.
  • Full range of epoxy and polyamide systems (resins, hardeners, diluents, accelerators).
  • High-performance countertypes for major global industry brands.
  • Strong R&D capabilities for customized services and sample testing.
🖼️ Visual Display
Frequently Asked Questions
What is the primary benefit of using HW-540 epoxy hardener?
HW-540 offers exceptional adhesion on wet or poorly treated surfaces, making it ideal for marine and heavy-duty industrial coatings where perfect surface preparation is difficult.
Is this product solvent-free?
Yes, HW-540 is a solvent-free cardanol modified PAA curing agent, which is suitable for high-solid or solvent-free coating systems.
How should the product be stored for maximum shelf life?
It should be kept in a cool, dry, and well-ventilated area. When properly sealed, the product has a shelf life of approximately 12 months.
What are the recommended application methods?
The product is typically applied via spray method and is suitable for use in primers, middle coats, and topcoats.
Can HW-540 be used in cold weather conditions?
Yes, it features a wide curing temperature range and fast curing properties, making it highly effective even in cold and wet conditions.
What certifications does your manufacturing process hold?
Our manufacturing processes are ISO9001 certified, ensuring consistent quality and professional standards for all our epoxy materials.

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