Hamin303 appearance is Clear, viscous
liquid,Viscosity:3300-4800;Solid content:>98%;Free formaldehyde,
weight %: <0.2
Factory information
Chongqing Jianfeng Haokang Chemical Co., Ltd. was established in
June 2008, is a holding subsidiary of Chongqing Yuhua New Materials
Co. Jianfeng Haokang has an annual production capacity of 80,000
tons of formaldehyde, 25,000 tons of hexahydroxymethyl melamine and
20,000 tons of etherified amino resin production lines.
Jianfeng Haokang has a good layout of circular economy industry
chain, and is an energy-saving and environment-friendly high-tech
enterprise that can realize steam self-supply, production
wastewater and waste recycling. The company has undertaken four
major science and technology projects in Chongqing and successfully
completed them. The silver method formaldehyde high concentration
process technology, the hexahydroxymethyl melamine recycling
process technology and the etherified honey amine resin high
temperature secondary etherification process technology are all
self-developed and at the world advanced level, and the quality of
55% high concentration formaldehyde, hexahydroxymethyl melamine and
tire adhesive A products are at the world leading level.

Prouduct information
Haminol 303 resin is a highly methyl etherized amino resin with a
solid content of 98% or more. It is an efficient cross-linking
agent for resins containing hydroxyl, carboxyl and amino groups
such as alkyd, polyester, acrylic, epoxy, polyurethane and modified
fiber resins. It can be used to configure high-solids
(solvent-free) or water-based automotive paint, color board paint,
container paint, general industrial baking paint and
high-temperature ink.
Advantages | Solvent-free | Wide compatibility and solubility | Excellent stability | Excellent hardness-film flexibility | Fast catalyzed cure response | Economica |
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Application areas | High solids finishes | Water borne finishes | Coil coatings | Automotive finishes | Container coatings | General metals finishes | Inks |
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Typical properties | Appearance:Clear, viscous liquid | Non-volatile, % by weight* :98.0 minimum | Color, Gardner 1963:1 maximum | Free formaldehyde, weight %: <0.2 |
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