ISO 16894:2009 PDF

Name: ISO 16894:2009 — Wood-based panels — Oriented strand board (OSB) — Definitions, classification and specifications
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Wood-based panels — Oriented strand board (OSB) — Definitions, classification and specifications

Название (английский):

ISO 16894:2009

Wood-based panels — Oriented strand board (OSB) — Definitions, classification and specifications

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 14
Дата публикации:: 4 ноября 2009 г.
Издание:: ISO IS 16894 edition 1 version 1
ICS:: 01.040.79

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Описание (английский):

ISO 16894:2009 gives definitions, classifications and specifications for the manufacturing requirements of oriented strand board (OSB). The values given are used to classify OSB into one of four types, namely OSB type GP-REG, LB-REG, LB-MR or HLB-MR. The values are related to panel properties, but are not characteristic values to be used for design purposes.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 16894:2009 - "Wood‑based panels - Oriented strand board (OSB) - Definitions, classification and specifications" - defines terminology, classification and factory production requirements for oriented strand board (OSB). It specifies the property values and test methods used to classify OSB into four types: OSB GP-REG, LB-REG, LB-MR and HLB-MR. The standard’s values are intended for product classification and factory production control (FPC), not as characteristic design values.

Key topics and technical requirements

OSB classification: Four types based on intended use and moisture exposure:

GP-REG: general purpose, non‑load‑bearing, dry conditions
LB-REG: load‑bearing, dry conditions
LB-MR: load‑bearing, humid conditions (moisture resistant)
HLB-MR: heavy duty load‑bearing, humid conditions

Measured properties: Bending strength (major/minor axis), modulus of elasticity (MOE), internal bond, and swelling in thickness. Values vary by board thickness and OSB type.

Example ranges: LB grades specify major‑axis bending strength from about 22 MPa (thin boards) down to ~14 MPa (thicker boards); MOE major axis typically specified around 3 500 MPa for load‑bearing types.

General factory requirements: dimensional tolerances (e.g., thickness ±0.3 mm sanded, ±0.8 mm unsanded; length/width ±3.0 mm), edge straightness, squareness, moisture content (2 %–12 %), density tolerance (±15 %), and formaldehyde emission limits (ISO 12460‑1 reference - emission ≤ 0.124 mg/m3 as given).

Moisture resistance options: Compliance demonstrated by one of three tests - cyclic accelerated aging (ISO 16987), boil test (ISO 16998), or an alternative moisture cycle used in North America; manufacturers choose the applicable option.

Statistical basis: Requirements are checked using statistical percentiles (5th percentile for most properties; 95th percentile for swelling), calculated per Annex A for FPC.

Test methods referenced: ISO 16978, 16983, 16984, 16987, 16998, ISO 9426/9427, ISO 12460‑1, among others.

Applications and practical use

Use ISO 16894:2009 to:

Classify and label OSB products for distribution and procurement.
Define factory production control acceptance criteria.
Support product specification for interior fitments, furniture, floors, roofs, walls, and structural components (e.g., I‑joist webs) where applicable.

Note: For structural design calculations, consult standards with characteristic strength values (see Related Standards).

Related standards

ISO 16572 (structural test methods for wood‑based panels)

ISO 17064 (vocabulary)

ISO 16978, 16983, 16984, 16987, 16998 (test methods referenced)

Regional/Design references: ASTM D7033, EN 789 (for characteristic values and design)

Keywords: ISO 16894:2009, oriented strand board, OSB classification, OSB specifications, moisture resistance, load‑bearing OSB, GP‑REG, LB‑MR, HLB‑MR, factory production control.

ISO 16894:2009 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and practical use

Who should use this standard

Related standards

Технические детали

ISO 12460-1:2007/Amd 1:2023

Wood-based panels — Determination of formaldehyde release — Part 1: Formaldehyde emission by the 1-cubic-metr…

ISO 16987:2003

Wood-based panels — Determination of moisture resistance under cyclic test conditions

ISO 16998:2003

Wood-based panels — Determination of moisture resistance — Boil test

ISO 16978:2003

Wood-based panels — Determination of modulus of elasticity in bending and of bending strength

ISO 16572:2008

Timber structures — Wood-based panels — Test methods for structural properties

ISO 17064:2004

Wood-based panels — Fibreboard, particleboard and oriented strand board (OSB) — Vocabulary