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MR. JO Phenalkamine Hardener Selector Guide

MR. JO Phenalkamine Hardener Selector Guide Phenalkamines are the go-to curing agents for epoxy systems exposed to tough, humid, and variable site conditions. Derived from cashew nutshell liquid (CNSL), they offer excellent adhesion, chemical resistance, and tolerance to surface moisture and salt contamination — making them...

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Choosing the Right Amine Hardener: JPOXY Standard Unmodified Amines (Selector Guide)

Choosing the Right Amine Hardener: JPOXY Standard Unmodified Amines (Selector Guide) Epoxy performance starts with the right hardener. JPOXY supplies a practical range of unmodified amines in customer-friendly pack sizes so formulators can pick the cure profile and rheology that suit their process — without buying...

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JH-1051 vs JH-1056: Which Epoxy Hardener Should You Choose?

JH-1051 vs JH-1056: Which Epoxy Hardener Should You Choose? If you’ve ever stood in your lab or at a job site holding two cans of hardener — JH-1051 in one hand and JH-1056 in the other — you’ve probably asked yourself:“Both work at 50 phr with...

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MR. JO JH 1424: High Viscosity Polyamide Hardener for Durable Industrial & Marine Coatings

What is JH 1424?

JH 1424 is a high viscosity, solvent-free polyamide curing agent designed for use with liquid epoxy resins.With a lower amine value and long pot life, it offers excellent...

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MR. JO JH 1425: Reliable Medium Viscosity Polyamide Hardener for Corrosion & Marine Protection

What is JH 1425?

JH 1425 is a medium viscosity, solvent-free polyamide curing agent designed for use with liquid epoxy resins.With a balanced amine value and optimized pot life, it provides strong...

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Choosing the Right Polyamide Hardener: MR. JO JH 1051, JH 1056, JH 1425, JH 1424 Compared

Polyamide Hardeners – Why They Matter

Polyamide curing agents are the workhorses of epoxy systems, valued for: Excellent adhesion to diverse substrates Superior corrosion resistance and barrier properties Long pot life and user-friendly...

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A Formulator’s Guide to Modified Epoxy Resins: JPOXY JR Series

A Formulator’s Guide to Modified Epoxy Resins: JPOXY JR Series Choosing the right epoxy resin is one of the most important formulation decisions for adhesives, coatings, flooring, and composite systems. Different projects demand different rheology, chemical resistance, cure profiles, and handling properties. JPOXY’s Modified Epoxy Resins...

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MR. JO Modified Epoxy Resins — Selector Guide (viscosity: high → low)

MR. JO Modified Epoxy Resins — Selector Guide (viscosity: high → low) Use: pick by required rheology first (bead/hold vs flow/degas), then match diluent chemistry (aliphatic vs aromatic, mono vs di) to the end-use (weathering, chemical resistance, Tg). Grade (link)EEW (g/eq)Viscosity @25 °C (mPa·s)Modifier / reactive diluentColour...

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MR. JO JR 3012: Modified Epoxy Resin for Coatings, Primers, Mortars, and Flooring

Introduction As industries continue shifting toward high-solids, solvent-free, and environmentally compliant epoxy systems, formulators need liquid resins that offer both low viscosity and high versatility. Unmodified bisphenol-A (BPA) resins deliver excellent adhesion and durability, but their viscosity often limits solids loading and ease of processing. JR 3012...

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JR 3000 vs JR 3001 vs JR 3010 vs JR 3003 vs JR 3125 — Which unmodified epoxy resin should you use?

JR 3000 vs JR 3001 vs JR 3010 vs JR 3003 vs JR 3125 — Which unmodified epoxy resin should you use? When specifying an unmodified epoxy resin you’re balancing process needs (wetting, degassing, pumpability), optical or adhesive performance, and formulation flexibility. The JR series covers...

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