GB/T 4897.2-2003 Particleboard Part 2: Requirements for ordinary boards used in a dry state

This part of GB/T4897 specifies the technical requirements, statistical calculation and determination methods, measurement and test methods, inspection rules, marking, packaging, transportation and storage, and marking of ordinary boards used in a dry state. GB/T 4897.2-2003 Particleboard Part 2: Requirements for ordinary boards used in a dry state GB/T4897.2-2003 Standard download decompression password: www.bzxz.net

ICS 79. 060.20
National Standard of the People's Republic of China
GB/T 4897.22003
Partially replaces GB/T4897-1992
Particleboard
Part 2: Requirements for general purpose boards for use in dry conditions
Particleboard-Part 2: Reguirements for general purpose boards for use in dry conditions2003-01-27Promulgated
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Implementation on 2003-05-01
GB/T 4897.2-2003
GB/T4897 particleboard is divided into seven parts: * Part t: Common requirements for all board types: front height
--Part 2: Requirements for ordinary boards used in dry state--Part 3: Requirements for furniture and interior decoration boards used in dry state; ~ Part 1: Requirements for structural boards used in explosive state; . Part 5: Requirements for structural boards used in wet state---Part 6: Requirements for reinforced structural boards used in dry medium state, ----- Part 7 Requirements for reinforced structural boards used in wet state. This part is the second part of GB/T4897 particleboard. This part is not equivalent to the European standard EN312-2:1997 "particleboard part 2: requirements for ordinary boards used in dry state". The physical and chemical performance indicators are the same as EN312.2 except for the increase of surface bonding strength and 2h water absorption thickness expansion rate. The size change detection items are included in this part.
This part replaces the corresponding part of GB/T4897·…1992 Particleboard. Compared with the previous version (GB/T4897--1992), GB/T4897·2003 Particleboard has the important technical change of dividing the original standard into seven parts, among which the requirements for structural plates used in a wet state and the requirements for reinforced structural plates used in a wet state are newly added. The physical and chemical performance requirements of this part are lower than those of the standard. This part is proposed by the State Forestry Department.
This part is under the jurisdiction of the National Technical Committee for Standardization of Wood-Based Panels. The responsible drafting unit of this part: Wood Industry Research Institute, Chinese Academy of Forestry. The participating drafting units of this part: Beijing Timber Factory, Hebei Saibo Board Industry Group, the main drafters of this part are Chen Shiying, Long Ling, Zheng Fengshan, and Zhang Ehao. This part was first issued in February 1985, revised for the first time in August 1992, and this is the second revision. This part is entrusted to the National Technical Committee for Standardization of Wood-Based Panels for responsible interpretation. 1 Scope
GB/T 4897.2--2003
Particleboard Part 2: Requirements for general-purpose boards used in a dry state This part of GB/T4897 specifies the technical requirements, statistical calculation and determination methods, measurement and test methods, inspection regulations, marking, packaging, transportation and storage, and marking of general-purpose boards used in a dry state. This part applies to particleboards as defined in 3.2 of GB/T4897.12003. This part does not apply to oriented side board (OSB). 2 Normative references
The clauses in the following documents become the clauses of this part through reference to this part of GB/T4897. For any dated reference, all subsequent amendments (excluding errata) or revisions are not applicable to this part. However, parties to an agreement based on this part are encouraged to study whether the latest versions of these documents can be used. For any undated reference, the latest version applies to this part.
GB/T4897.1--2003 Particleboard Part 1: Common requirements for all board types GB/T17657-1999 Test methods for physical and chemical properties of wood-based panels and veneered wood-based panels 3 Technical requirements
3.1 Thickness, width, difference between two diagonals, curvature, appearance quality and common hole index should meet the requirements of 5.1~5.5 in GB/T4897.1--2003.
3.2 Physical and chemical performance indexes are shown in Table 1.
Degradation 1 Physical and chemical performance indexes
Static bending strength
Internal bonding strength
Surface bonding strength
2 h Water absorption thickness swelling rate
Statistical calculation and determination method
>6~-13
According to the provisions of Chapter 6 of GB/T 4897.1-2003. 5 Measurement and test methods
5.1 Sampling and test piece size
According to the provisions of .2 in GB/T4897.1-2003. 5.2 Static bending strength determination
According to the provisions of 4.9 in GB/T17657-1999. Nominal thickness range/rmum
>13~-20
>20 ~25bzxz.net
20, 14
GB/T4897.2-2003
Internal bonding strength determination
According to the provisions of 4.8 in GB/T 17657-1999. 5.4 Surface bonding strength determination
According to the provisions of 4.13 in GB/T 17657-1999. 52 Determination of water absorption thickness expansion rate
shall be carried out in accordance with 4.5 of GB/T17657-1999. 6
Inspection rules
shall be carried out in accordance with Chapter 8 of GB/T4897.1-2003. 7 Marking, packaging, transportation, storage and marking shall be carried out in accordance with Chapter 9 of GB/T 4897.1
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