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IS 7698:1983 is the Indian Standard (BIS) for returnable wooden crates for vegetables. This standard specifies the requirements for materials, dimensions, and construction of returnable wooden crates intended for the transportation and storage of vegetables. It aims to standardize crate sizes for better handling, stacking, and durability, covering various types based on capacity.
ASTM D6251/D6251M-15(2021)ASTM International (USA)
HighCurrent
Standard Specification for Wood-Cleated Panelboard Shipping Boxes
Specifies materials, fabrication, and construction principles for wooden-cleated boxes, which is a similar construction type to IS 7698 crates.
ISO 3394:2012ISO (International Organization for Standardization)
MediumCurrent
Dimensions of rigid rectangular packages — Transport packages
Standardizes transport package base dimensions for pallet compatibility, a principle relevant to, but different from, the fixed sizes in IS 7698.
ASTM D6199-18ASTM International (USA)
MediumCurrent
Standard Practice for Quality of Wood Members of Containers and Pallets
Covers the quality requirements for wood components (e.g., knots, decay, moisture content), which is a key part of the IS 7698 material specification.
UNECE FFV-52:2022UNECE (United Nations Economic Commission for Europe)
LowCurrent
Concerning the marketing and commercial quality control of tomatoes
Defines performance requirements for packaging (must protect produce, be clean) but does not specify crate construction, material, or dimensions.
Key Differences
≠IS 7698 is highly prescriptive, defining exact dimensions and timber species (e.g., Mango, Fir). Modern standards like ASTM D6251 are more performance-based, allowing any material/design that meets specified test criteria.
≠The dimensional specifications in IS 7698 (e.g., 500x300x300 mm) are absolute and not based on a modular system. ISO 3394 promotes a modular system based on pallet sizes (1200x1000 mm or 1200x800 mm) for logistical efficiency.
≠IS 7698 specifically mandates hoop iron strapping for reinforcement on all crate types, whereas in standards like ASTM D6251, the need for strapping depends on the box style, weight, and intended use.
≠The Indian standard focuses exclusively on 'returnable' wooden crates. Many international practices have shifted towards single-use fiberboard containers or durable plastic multi-trip containers (RPCs), with less emphasis on returnable wood.
Key Similarities
≈Both IS 7698 and comparable standards like ASTM D6199 place strong emphasis on the quality of timber, requiring it to be seasoned and free from defects like decay, insect attack, and large or loose knots that compromise structural integrity.
≈The fundamental construction principle of using wooden slats fastened to end, top, and side battens (cleats) to form a rigid frame is common to both IS 7698 and ASTM D6251.
≈All related standards share the primary goal of ensuring the packaging provides adequate protection to the contents (vegetables) against damage during handling, stacking, and transportation.
≈Requirements for secure assembly using nails are a common feature, with specifications often covering the type, size, and spacing of nails to ensure good joint strength.
Parameter Comparison
Parameter
IS Value
International
Source
Dimensional Basis
Prescribed fixed dimensions, e.g., Type I is 500 x 300 x 300 mm.
Modular dimensions based on a 600 x 400 mm footprint for pallet optimization.
ISO 3394:2012
Timber Species Specification
Lists specific Indian species: Mango, Fir, Spruce, Kail.
Species are classified into groups based on physical properties like density and nail-holding ability, not by name.
ASTM D6199-18
Moisture Content of Timber
Shall not exceed 20 percent.
Generally specified at 19% or less for heat-treated material, with ranges depending on wood group and climate.
ASTM D6199-18
Batten (Cleat) Thickness
Specified by type, e.g., 20 mm for Type I & II.
Varies based on wood group, box style, and gross weight; typically 18-21 mm for comparable loads.
ASTM D6251/D6251M
Slat Thickness
Specified by type, e.g., 10 mm for Type I & II.
Depends on the panelboard material; for plywood, it could be 4 mm to 12 mm depending on load and crate size.
ASTM D6251/D6251M
Metal Reinforcement
Mandatory 12 mm wide hoop iron strapping.
Strapping is optional and specified based on box style, load, and performance requirements.
ASTM D6251/D6251M
Limitation on Knots
Sound, tight knots shall not have a diameter exceeding one-third the width of the piece.
For similar wood classes, sound knots shall not exceed one-quarter of the surface width on narrow faces.
ASTM D6199-18
⚠ Verify details from original standards before use
Key Values5
Quick Reference Values
Maximum permissible moisture content20 percent
Minimum thickness of battens and planks10 mm
Nominal capacity of Type 1 crate20 kg
Internal dimensions of Type 1 crate450 x 300 x 300 mm
Minimum number of wire nails per joint2
Tables & Referenced Sections
Key Tables
Table 1 - Internal Dimensions, Nominal Capacity and Type Designation of Crates