YDN5158 High Imino n-Butylated Melamine Resin

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Usage:Suitable for high-solid industrial coatings, automotive paints, home appliance spray paints, and general industrial coatings.

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Suitable for high-solid industrial coatings, automotive paints, home appliance spray paints, and general industrial coatings.


YDN5158 is a highly butylated melamine-formaldehyde resin with good solubility and rapid curing reaction at low temperatures. It can react well with hydroxyl, carboxyl, and amide functional groups under weakly acidic conditions.

YDN5158 has high solid content, low foaming, excellent solubility, fast low-temperature curing reaction, low baking weight loss, low formaldehyde odor, good adhesion, salt spray resistance, and weather resistance.

YDN5158 is completely soluble in most alcohols, polyols, ether alcohols, ketones, lipids, aromatic compounds, and chlorinated solvents. It is partially soluble in ethanol, aliphatic hydrocarbons, and nitro solvents, but insoluble in water. However, its solubility can be increased by mixing with 40/60, 30/70, and 20/80 water/ethanol blends.

YDN5158 is compatible with most long, medium, and short oil alkyd resins, polyester resins, acrylics, epoxy resins, cellulose and low molecular weight polyols. It is also compatible with most anionic water-based resins, but its low water tolerance restricts the use of most water-based resins.

YDN5158 requires weak acid catalyst for curing reaction and needs to be baked at a general temperature of 125℃ or higher for 20 minutes. Catalyst is not needed if baking at low temperature or for a shorter time, but it may be added to accelerate the reaction.


Appearance: Transparent viscous liquid

Solvent: n-Butanol

Non-volatile content (105℃×3h)/%: 80±2

Viscosity (30℃)/mPa.s: 3000-7000

Density kg/m³ (23℃): 1060

Flash point ℃ (closed cup): 47

Free formaldehyde (weight %): ≤1.0

Solubility: Insoluble (in water), completely soluble (in xylene)

Storage period: 6 months


The company has successively passed IATF 16949:2016 quality management system certification, ISO 9001:2015 quality management system certification, ISO 14001:2015 environmental management system certification, ISO 45001:2018 occupational health and safety management system certification, clean production acceptance certification, safety standard certification, and American UL certification.


In recent years, the company has been awarded as “National High-tech Enterprise”, “Zhejiang Specialized and Special New Small and Medium-sized Enterprise”, “Zhejiang Small and Medium-sized Technology Enterprise”, “Jiaxing City Patent Demonstration Enterprise”, “Pinghu City Patent Demonstration Enterprise” and many other honorary title.

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