IS 10701:1996 is the Indian Standard (BIS) for plywood for concrete shuttering work - specification. This standard specifies the requirements for high-density plywood intended for use in constructing formwork (shuttering) for concrete structures. It covers the materials, manufacturing process, dimensions, physical and mechanical properties, and testing methods to ensure the plywood can withstand the loads from wet concrete and be reused.
Specifies the requirements for plywood manufactured specifically for use as concrete formwork, including strength and durability.
BIM-relevant code. See the BIM Hub for ISO 19650, IFC, and LOD/LOIN frameworks used alongside it.
| Parameter | IS Value | International | Source |
|---|---|---|---|
| Adhesive Bond Quality | Boiling Water Proof (BWP) type, must pass 72-hour boil test. | Type A Bond, must pass 72-hour boil test. | AS 6669:2016 |
| Moisture Content at Dispatch | 5% to 15% | Shall not exceed 15% (for Formwork Grade F11 to F22). | AS 6669:2016 |
| Thickness Tolerance (for 12 mm nominal panel) | ±5% (±0.60 mm) | ±0.5 mm | AS 6669:2016 |
| Test for Bond Durability | 72-hour immersion in boiling water, followed by knife test for delamination. | Immersion in boiling water followed by lap-shear tests to determine bond strength (as per EN 314-1). | BS EN 314-2:1993 |
| Surface Finish | Face veneers shall be of a single piece. Can be overlaid with phenolic film. | Specifies 'Plyform' grades (Class I, II) with solid B-grade or better faces, sanded, and treated with a release agent or overlaid. | PS 1-19 |
| Alkali Resistance Test | Mandatory: Immersion in 10% NaOH solution at 65°C for 4 hours. | No direct equivalent chemical test specified; resistance is implied through bond class requirements. | BS EN 636:2012+A1:2015 |