Urea-formaldehyde, phenolic and melamine-formaldehyde resins for wood industrial adhesives

Urea-formaldehyde, phenolic and melamine-formaldehyde resins for wood industrial adhesives

1. Scope

This standard specifies the classification, technical requirements, test methods, inspection rules and marks, packaging, transportation and storage of urea-formaldehyde, phenolic and melamine-formaldehyde resins for wood industrial adhesives and paper impregnation.

This standard is not applicable to emulsion phenolic resin.

2. Definition

Adhesive: Under certain conditions, by adhering to the material, can be bound together by the adhesives.

Urea-formaldehyde resin: A resin prepared by condensation of urea (urea) and formaldehyde. It belongs to amino resin.

Phenolic resins: resins that are worth polycondensation of phenols and aldehydes. Phenol formaldehyde resin is commonly used.

Melamine formaldehyde resin: A resin prepared by condensation of melamine and formaldehyde.

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