IS 4990 : 2024 Plywood for Concrete Shuttering Works - Specification

ICS 79.060.10

CED 20

1 SCOPE

This standard covers the requirements of plywood for concrete shuttering work and formwork in construction.

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 707 : 2011 Timber technology and utilization of wood, bamboo and cane - Glossary of terms (third revision)
IS 848 : 2006 Synthetic resin adhesives for plywood (phenolic and aminoplastic) - Specification (second revision)
IS 1150 : 2000 Trade names and abbreviated symbols for timber species (third revision)
IS 1734 Methods of test for plywood:
(Part 1) : 1983 Determination of density and moisture content (second revision)
(Part 4) : 1983 Determination of glue shear strength (second revision)
(Part 5) : 1983 Test for adhesion of plies (second revision)
(Part 7) : 1983 Mycological test (second revision)
(Part 11) : 1983 Determination of static bending strength (second revision)
IS 2753 (Part 1) : 1991 Methods for estimation of preservatives in treated timber and in treating solutions: Part 1 Determination of copper, arsenic, chromium, zinc, boron, creosote and fuel oil (first revision)
IS 5539 : 1969 Specification for preservative treated plywood
IS 7638 : 1999 Wood/lignocellulosic based panel products - Methods of sampling (second revision)
IS/ISO 12460-1 : 2007 Wood based panels - Determination of formaldehyde release: Part 1 Formaldehyde emission by the 1-cubic-metre chamber method
IS 13745 : 2020 Method for determination of formaldehyde content in wood-based panels by extraction method called perforator method (first revision)