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GB/T 14074-2017Testing methods for wood adhesives and resins (English PDF)

木材工业用胶粘剂及其树脂检验方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 29, 2017

Implementation date

July 1, 2018

Scope

GB/T 14074-2017 is the English-translated version of 木材工业用胶粘剂及其树脂检验方法.

GB/T 14074-2017 is the Chinese standard "Testing methods for wood adhesives and resins". Its scope clause reads: This standard specifies the timber industry adhesives and resin testing methods.

This standard 3.1,3.2,3.3,3.4,3.5 for wood adhesives used in industrial adhesives melamine modified urea-formaldehyde resin, phenolic resin, trimerization Cyanamide formaldehyde resin - Determination of appearance, density, viscosity, pH value and solid content.

This standard 3.6 for wood adhesives for industrial use water-soluble phenolic resin and melamine modified urea-formaldehyde resin water mixed Determination.

This standard 3.7, 3.8, 3.17, 3.18 for wood industrial adhesives with melamine modified urea-formaldehyde resin curing time, apply Determination of hydroxymethyl content and precipitation temperature.

This standard 3.9 is suitable for the determination of the storage stability of melamine modified urea-formaldehyde resin and phenolic resin for wood industrial adhesives.

This standard 3.10.1 applies to the wood industry adhesive with melamine modified urea-formaldehyde resin, phenolic resin produced plywood glue Determination of cohesion; 3.10.2 of this standard is applicable to the wood industry adhesive with urea-formaldehyde resin and phenolic resin production of medium density fiberboard And particleboard internal bond strength determination.

This standard 3.11 is applicable to the determination of moisture content of alcohol-soluble phenolic resin for wood industrial adhesives.

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Document preview — GB/T 14074-2017

National Standard of the People's Republic of China

ICS: 83.180
Classification: G 38
Replacing: GB/T 14074-2006

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 test method
3.1 Appearance inspection
3.2 Density Determination
3.3 Determination of viscosity
3.4 pH measurement
3.5 Determination of solid content
3.6 Water Mixture Determination
3.7 Determination of curing time
3.8 Determination of the applicable period
3.9 Determination of storage stability
3.10 Determination of the bonding strength and bond strength
3.11 Determination of moisture content
3.12 Determination of gel time
3.13 Determination of free phenol content
3.14 can be bromide content determination
3.15 Determination of alkali
3.16 Determination of free formaldehyde
3.17 hydroxymethyl content determination
3.18 Determination of precipitation temperature

1 Scope

This standard specifies the timber industry adhesives and resin testing methods.

This standard 3.1,3.2,3.3,3.4,3.5 for wood adhesives used in industrial adhesives melamine modified urea-formaldehyde resin, phenolic resin, trimerization

Cyanamide formaldehyde resin - Determination of appearance, density, viscosity, pH value and solid content.

This standard 3.6 for wood adhesives for industrial use water-soluble phenolic resin and melamine modified urea-formaldehyde resin water mixed

Determination.

This standard 3.7, 3.8, 3.17, 3.18 for wood industrial adhesives with melamine modified urea-formaldehyde resin curing time, apply

Determination of hydroxymethyl content and precipitation temperature.

This standard 3.9 is suitable for the determination of the storage stability of melamine modified urea-formaldehyde resin and phenolic resin for wood industrial adhesives.

This standard 3.10.1 applies to the wood industry adhesive with melamine modified urea-formaldehyde resin, phenolic resin produced plywood glue

Determination of cohesion; 3.10.2 of this standard is applicable to the wood industry adhesive with urea-formaldehyde resin and phenolic resin production of medium density fiberboard

And particleboard internal bond strength determination.

This standard 3.11 is applicable to the determination of moisture content of alcohol-soluble phenolic resin for wood industrial adhesives.

3.12

of this standard is applicable to the determination of soluble and low melting point phenolic resin gel time for wood industrial adhesives; not suitable

For the gel time is too short, such as phenolic resin powder, phenolic resin can not be self-curing resin and contains a large number of low-boiling point solvent tree

Determination of lipid gel time. The gel time in the presence of a catalyst can be determined. The catalyst can be added in a fixed ratio, the use of catalytic

Agent Curing Gel Time The type of curing agent used and sample handling methods should be described in the report.

This standard 3.13 is applicable to the determination of free phenol content of phenolic resin used in wood industrial adhesives.

This standard 3.14 is applicable to the determination of the content of bromide in water-soluble phenolic resin for wood industrial adhesives.

This standard 3.15 is applicable to the determination of the alkali content of water-soluble phenolic resin used in wood industrial adhesives.

This standard 3.16.1 applies to the wood-based industrial adhesives free formaldehyde content of not more than 15% of the formaldehyde free formaldehyde

Determination of the amount.

This standard 3.16.2 applies to the determination of free formaldehyde content of urea formaldehyde and melamine modified urea formaldehyde resin for wood industrial adhesives,

This method is not applicable to the determination of free formaldehyde content of phenolic resin modified furan resin.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

Particleboard GB/T 4897-2015

General principles of sampling of chemical products GB/T 6678-2003

General principles of sampling for liquid chemical products GB/T 6680-2003

Laboratory use specifications and test methods for analysis GB/T 6682-2008

GB/T 9724-2007 Chemical reagents - Determination of pH

GB/T 9846-2015 ordinary plywood

Medium density fiberboard

Testing methods of physical and chemical properties of wood - based panels and veneer wood - based panels […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

Editions of GB/T 14074

Edition	Title	Revision	Status
GB/T 14074-2017	Testing methods for wood adhesives and resins	current edition	Current
GB/T 14074-2006	Testing methods for wood adhesives and resins	previous edition	Superseded

This page sells the current edition, GB/T 14074-2017. Earlier editions are listed for reference only.

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