MR. JO JH 1040 – The Trusted Coal Tar Based Polyamine Hardener for Harsh Environments
MR. JO JH 1040 – The Trusted Coal Tar Based Polyamine Hardener for Harsh Environments
When metal and concrete structures face salt water, moisture, or harsh outdoor conditions, regular epoxy systems are not enough. They need a curing agent that can deliver long-term protection, excellent adhesion, and resistance to corrosion and water ingress. That’s exactly what JH 1040 offers.
What is JH 1040?
JH 1040 is a coal tar based polyamine curing agent, engineered to provide durable, protective coatings for surfaces exposed to aggressive environments. Comparable to Aradur XY45, it is widely recognized in marine and protective industries for its ability to safeguard assets from corrosion and water damage.
- Mix Ratio: ~100 PHR with standard epoxy resins
- Amine Value: 100–150 mg KOH/g
- Viscosity (25°C): 1250–1500 mPa·s
- Color (Gardner): ≤100
- Density (25°C): 1.10–1.15 g/cc
Why Choose JH 1040?
- Excellent Salt Water Resistance – Perfect for marine structures, jetty piles, tanks, and offshore equipment.
- Superior Adhesion – Strong bonding to both metal and concrete substrates ensures long service life.
- Solvent-Free & Safer Handling – Free from harmful solvents, reducing health and environmental risks during application.
- Durable Barrier Protection – Resists rust, chemical attack, and moisture ingress in challenging conditions.

Applications of JH 1040
- Protective Coatings – Long-lasting protection for steel structures in industrial and coastal zones.
- Marine Coatings – Ships, jetties, and underwater structures benefit from its outstanding salt water resistance.
- Waterproofing – Effective barrier coating for concrete structures, tanks, and foundations exposed to moisture.

Features at a Glance
- Coal tar based polyamine hardener
- Excellent salt water and moisture resistance
- Strong adhesion to metal & concrete
- Long-term corrosion prevention
- Suitable for aggressive outdoor & marine conditions
Conclusion
If you’re seeking a reliable coal tar based curing agent that delivers unmatched corrosion and salt water resistance, JH 1040 is the solution. With its balance of safety, durability, and protection, it stands as the first choice for protective and marine coating applications.

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