T/CNFPIA 4006-2022 Active Group standards

T/CNFPIA 4006-2022 Structural oriented particle board identification technical specifications

Publish Date: 2022-10-20 Implement Date: 2022-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CNFPIA 4006-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Plywood

ICS Name: Fiber and particleboard

Publish Date: 2022-10-20

Implement Date: 2022-12-01

Scope

Scope: This document specifies the basic rules for the certification of oriented strand board (OSB) for structural use, and standardizes the sampling inspection of products in the certification process, the on-site inspection of initial certified factories, and post-certification supervision. This document applies to the basic procedures and requirements that all relevant parties should follow during the certification of OSB for structural use. This document applies to OSB for structural use; Main technical content: 3. Terms and definitions The terms and definitions defined in LY/T 1580—2010 and LY/T 2389—2014, as well as the following terms and definitions, apply to this document. 3.1 Oriented strand board (OSB) An OSB made from wood-based large flakes of specified shape and thickness, glued and orientedly laid, and then pressed by heat into a multi-layer structural board. The surface flakes are orientedly arranged along the length or width of the board. [Source: LY/T 1580—2010, Definition 3.1] 3.2 Structural oriented strand board An OSB that can be used as a load-bearing structure. 3.3 Construction sheathing An OSB board nailed to one or both sides of the wooden structure frame wall, or nailed to the top surface of the floor joists or the top surface of the roof rafters in wooden structures, which is used as a wallboard, floorboard, and roofboard in wooden structures. [Source: LY/T 2389—2014, Definition 3.4, with modifications] 3.4 Special sheathing An OSB board similar to construction sheathing in structure, but with additional requirements for strength, stiffness, and lateral load capacity in the vertical axis direction. [Source: LY/T 2389—2014, Definition 3.5, with modifications] T/CNFPIA 4006—2022 23.5 Subfloor An OSB directly nailed to the top surface of the floor joists, with a cushion layer laid on top, which serves to provide strength and stiffness. [Source: LY/T 2389—2014, Definition 3.6] 3.6 Single floor An OSB directly nai