1 Scope
This standard specifies terms and definitions, classification, requirements, measurement and test methods, inspection rules as well as marking, packaging, transportation and storage of plywood for general use.
It is applicable to plywood for general use, but not applicable to plywood with different structures and special properties requirements such as blockboard and laminated veneer lumber.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1933 Method for determination of the density of wood
GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 17657-2013 Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels
GB/T 18259-2009 Terms of wood-based panel and its surface decoration
GB 18580 Indoor decorating and refurbishing materials - Limit of formaldehyde emission of wood-based panels and finishing products
GB/T 19367-2009 Wood-based panels - Determination of dimensions of panels
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 18259-2009 and the following apply. For the convenience of application, some terms and definitions given in GB/T 18259-2009 are listed repeatedly as follows.
3.1
Class I plywood
weathering plywood which can pass the boiling test and be used in outdoor conditions
[GB/T 18259-2009, definition 2.2.1.18]
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Requirements
5.1 Specification and dimension and their deviation
5.2 Appearance quality
5.3 Physical and chemical properties
5.4 Other technical requirements
6 Measurement and test methods
6.1 Specification and dimension measurement
6.2 Sampling and dimension requirements of test piece
6.3 Test methods
7 Inspection rules
7.1 Inspection classification
7.2 Sampling scheme
7.3 Judgment rules
7.4 Comprehensive judgment
8 Marking, packaging, transportation and storage
8.1 Marking
8.2 Packaging
8.3 Transportation and storage
