The 2005 edition of IS 3087 outlines the standards for medium density particle boards fabricated from wood and other lignocellulosic materials for general use. It specifies the range of specific gravity, classifications, mechanical and physical properties, testing protocols, dimensional tolerances, and marking norms. This code is vital for producers, quality assurance professionals, and engineers working with particle boards in furniture, partitioning, and building applications.
Overview
The 2005 edition of IS 3087 outlines the standards for medium density particle boards fabricated from wood and other lignocellulosic materials for general use. It specifies the range of specific gravity, classifications, mechanical and physical properties, testing protocols, dimensional tolerances, and marking norms. This code is vital for producers, quality assurance professionals, and engineers working with particle boards in furniture, partitioning, and building applications.
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Frequently Asked
IS 3087:2005 categorizes medium density particle boards based on manufacturing techniques and layering structure as follows:
Medium density boards have a specific gravity between 0.5 and 0.9. The three-layer flat pressed boards feature finer particles with higher resin content on the surface layers and coarser particles with less resin in the core, contributing to improved mechanical strength and density. This classification assists in selecting appropriate boards for applications such as furniture, partitions, and door construction.
According to IS 3087 Clause 9.7, formaldehyde emission levels are classified into two categories:
Testing follows the IS 13745 standard (Perforator method), with samples conditioned at 27 ± 2°C and 65 ± 5% relative humidity for six days prior to testing. These emission limits ensure safer indoor air quality, with E1 class boards being low-emission and preferred for sensitive environments.
Physical properties testing as per IS 3087 involves:
Modulus of Rupture (MOR) and Modulus of Elasticity (MOE): Three specimens per lot are prepared according to IS 2380 (Part 4), cutting samples 150 mm from the edges. Testing is conducted per IS 2380 (Part 4), and average and minimum values must meet the thresholds in Table 1.
Screw Withdrawal Strength: Three specimens are prepared following IS 2380 (Part 14). Testing is performed as per IS 2380 (Part 14), with average strength required to meet or exceed values in Table 1.
These standardized tests ensure particle boards meet mechanical performance requirements essential for reliable applications.
IS 3087 specifies the following dimensional tolerances for particle boards:
Standard board sizes for length include 4800, 3600, 3000, 2700, 2400, 2100, 1800, 1500, 1200, 1000, and 900 mm. Widths commonly range from 1800 mm down to 450 mm. Custom sizes may be agreed upon between manufacturer and purchaser. These tolerances guarantee dimensional uniformity and proper fitment in construction and furniture making.
IS 3087 mandates that each particle board must be clearly marked near any edge with:
The Bureau of Indian Standards (BIS) Standard Mark may also be applied subject to licensing. This labeling ensures product traceability, quality assurance, and compliance with environmental regulations.
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