IS 656 : 2023 Logs for Plywood - Specification

ICS 79.040

CED 09

1 SCOPE

This standard specifies the minimum requirements for logs for making veneers for the manufacture of various grades of plywood, namely, tea-chest [IS 10 (Part 2)], general purposes (IS 303), medium strength aircraft (IS 709), high strength aircrafts (IS 4859), marine (1S 710), veneered decorative (IS 1328), decorative (IS 7316), concrete shuttering works (IS 4990), fire retardant (IS 5509), structural (IS 10701), museum (IS 15791) and veneered particle boards (IS 3097), block boards (IS 1659), and flush doors [IS 2191 (Part 1) and IS 2202 (Part 1)] conforming to the relevant standards.

2 REFERENCES

The standards listed in Annex A contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards.

IS No. Title
IS 10 (Part 2) : 2013 Plywood tea-chests - Specification: Part 2 Plywood (sixth revision)
IS 303 : 1989 Plywood for general purposes - Specification (third revision)
IS 401 : 2001 Preservation of timber - Code of practice (fourth revision)
IS 707 : 2011 Timber technology and utilization of wood, bamboo and cane - Glossary of terms (third revision)
IS 709 : 1974 Specification for medium strength aircraft plywood (first revision)
IS 710 : 2010 Marine plywood - Specification (second revision)
IS 1141 : 1993 Seasoning of timber - Code of practice (second revision)
IS 1328 : 1996 Veneered decorative plywood - Specification (third revision)
IS 1659 : 2004 Block boards - Specification (fourth revision)
IS 2191 (Part 1) : 2022 Specification for wooden flush door shutters (cellular and hollow core type): Part 1 Plywood face panels (fifth revision)
IS 2202 (Part 1) : 2023 Wooden flush door shutters (solid core type) - Specification: Part 1 Plywood face panels (seventh revision)
IS 3097 : 2006 Veneered particle boards - Specification (second revision)
IS 4859 : 1968 Specification for high strength aircraft plywood with amendment
IS 4990 : 2011 Plywood for concrete shuttering works - Specification (third revision)
IS 5509 : 2021 Fire retardant plywood - Specification (third revision)
IS 7316 : 1974 Specification for decorative plywood using plurality of veneers for decorative faces
IS 10701 : 2012 Structural plywood - Specification (first revision)
IS 15791 : 2007 Museum plywood - Specification