GB/T 14732-2017: Translated English of Chinese Standard. (GBT 14732-2017, GB/T14732-2017, GBT14732-2017): Wood adhesives: urea-formaldehyde, phenolformaldehyde and melamine-formaldehyde resins
This Standard specifies the terms and definitions, classification, requirements, test methods, inspection rules, marks, packaging, transportation and storage of ureaformaldehyde, phenol-formaldehyde and melamine-formaldehyde resins for wood adhesives. This Standard is applicable to all kinds of wood adhesives and synthetic resins for impregnation synthesized by condensation polymerization with formaldehyde and urea or phenol and melamine as the main raw materials. It also applies to synthetic resin of polycondensation from the substitution of melamine and phenol, urea or using resorcinol to replace part of phenol.
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Marking packaging transportation and storage
Blockboard Bonding strength MPa brominable chemical reactions Conduct the formaldehyde content The percentage Curing emission test according executed standard number factory inspection formaldehyde emission test Free formaldehyde content Free phenol content GB/T Guangzhou hydroxymethyl Impregnation peel strength Indicator Unit Indicator liquid pH value mass of phenol Medium density fibreboard meet the requirements melamine formaldehyde resin melamine modified miscibility number of samples packaging Particleboard Phenol-formaldehyde resin phenolic resin Plywood polycondensation prepared by condensation ratio of shear red transparent liquid requirements of melamine requirements of phenol-formaldehyde requirements of urea-formaldehyde resin A resin resin for impregnation resin is unqualified resin or adhesive resin prepared shear rate shear stress Solid content specified test conditions specimen after preparation strength Comply stress to shear substance synthetic resin Technical requirements terms and definitions Test method total mass transparent liquid pH transportation and storage type inspection Unit Indicator value urea-formaldehyde resin Urea-melamine formaldehyde resin Viscosity mPa·s wood adhesives