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IS 8295:2000 (Part 1) is the Indian Standard (BIS) for bamboo chicks, part 1: fine. This standard specifies the requirements for materials, dimensions, and construction of coarse type bamboo chicks, also known as 'sirki' type. It covers aspects like the quality of bamboo splints, tying cords, and the manufacturing process to ensure a functional and durable product for use as window or verandah screens.
GB/T 23939-2009Standardization Administration of China (SAC), China
HighCurrent
Bamboo blind
Specifies requirements, test methods, and inspection rules for bamboo blinds, directly aligning with the product type.
ANSI/WCMA A100.1-2018American National Standards Institute / Window Covering Manufacturers Association, USA
MediumCurrent
American National Standard for Safety of Corded Window Covering Products
Overlaps on corded operation, but focuses entirely on child safety aspects not detailed in the IS code.
EN 13120:2009+A1:2014European Committee for Standardization (CEN), Europe
MediumCurrent
Internal blinds - Performance requirements including safety
Covers general performance and safety for all internal blinds, providing a framework for operational durability and safety.
ISO 22157:2017International Organization for Standardization (ISO), International
LowCurrent
Bamboo — Determination of physical and mechanical properties
Provides test methods for bamboo as a material, which is a component of the IS code's subject matter but does not cover the finished product.
Key Differences
≠IS 8295:2000 lacks the stringent child safety requirements for corded products that are mandatory in modern standards like ANSI/WCMA A100.1 and EN 13120, which specify breakaway cords, tensioners, or cordless designs to prevent strangulation hazards.
≠International standards like GB/T 23939-2009 are performance-based, requiring tests for color fastness, operational durability (cyclic testing), and dimensional stability. IS 8295 is prescriptive, detailing material dimensions and construction methods without requiring such performance tests.
≠IS 8295 specifies the use of particular bamboo species (*Arundinaria*), whereas international standards are generally material-agnostic as long as the bamboo slats meet specified quality and physical property requirements.
≠Modern standards often include strict limits and testing for hazardous substances in coatings and materials (e.g., lead, formaldehyde), a requirement not present in IS 8295:2000.
Key Similarities
≈Both the Indian and international standards are based on the same fundamental product concept: thin bamboo slats (chicks) woven together with twine to form a roll-up window covering.
≈Both IS 8295 and equivalent standards like GB/T 23939 describe a basic cord-and-pulley system as the primary mechanism for raising and lowering the blind.
≈All related standards emphasize the quality of the bamboo slats, requiring them to be free from defects such as cracks, decay, and insect damage to ensure product longevity and appearance.
≈The use of textile twine (e.g., cotton, nylon, polyester) to join the slats is a common construction element across the Indian standard and its international counterparts.
Parameter Comparison
Parameter
IS Value
International
Source
Slat Thickness (Fine)
Not to exceed 1.5 mm
Defined by product class with a specific tolerance, e.g., 1.8 mm ±0.2 mm
GB/T 23939-2009
Slat Width (Fine)
2 mm to 4 mm
Specified by design type, often with wider options available (e.g., up to 25 mm)
GB/T 23939-2009
Cord Safety Mechanism
Recommends a cleat for tying the cord.
Mandates breakaway devices, cord tensioners, or cordless operation.
ANSI/WCMA A100.1-2018
Moisture Content of Bamboo
Not explicitly specified (implied to be seasoned).
Typically specified within a range, e.g., 8% to 14%, to ensure dimensional stability.
GB/T 23939-2009
Operating Mechanism Durability
Not specified.
Requires successful completion of thousands of operational cycles (e.g., 2000 cycles).
EN 13120
Color Fastness of Twine/Cords
Not specified.
Requires a minimum rating on a greyscale after light exposure test (e.g., ≥ Grade 4).
GB/T 23939-2009
Finishing
Two coats of synthetic enamel paint or copal varnish.
Specifies finish must be uniform and tested for hazardous substances (e.g., formaldehyde, heavy metals).
GB/T 23939-2009
⚠ Verify details from original standards before use
Key Values5
Quick Reference Values
Width of bamboo splint6 to 8 mm
Thickness of bamboo splint1.5 to 2.0 mm
Maximum permissible gap between splints1.0 mm
Tolerance on overall specified width/height± 10 mm
Minimum coats of varnish or paint2
Tables & Referenced Sections
Key Tables
Table 1 - Standard Sizes and Dimensions of Coarse Bamboo Chicks