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Hydroxymethyl

Introduction

This type of product is mainly made by hydroxymethylation reaction of melamine and formaldehyde with different molar ratios. The finished product is a crystalline monomer with triazine ring structure, and the main groups are hydroxymethyl and imino groups. It has excellent curing and crosslinking properties and can react with various groups. It is widely used as a crosslinking agent in rubber, coatings, paper, textiles and other fields.

Product NameappearanceHydroxymethyl content %Loss on drying105℃2hoursFree formaldehyde content%melting pointcharacteristic
203 white crystalline granular or powder 40-45 140-180 three hydroxyl methyl, three amino
204 white crystalline granular or powder 45-48 ≤11 ≤0.5 140-180 four hydroxyl methyl, two amino
205 white crystalline granular or powder 48-50 ≤12 ≤0.5 140-180 five hydroxyl methyl, one amino
206 white crystalline granular or powder ≥50 ≤12 ≤1 140-180


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