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grid sieves, soil analysis, aggregate testing
GRID SIEVES AZA0972
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shape index caliper, flakiness gauge, aggregate testing
SHAPE INDEX CALIPER AZA0974

FLAKINESS SIEVE SET AZA0973

The AZA0973 Flakiness Sieve Set is a laboratory-grade testing instrument designed to determine the flakiness index of coarse aggregates. It is an essential tool for evaluating aggregate particle shape, helping ensure strength, durability, and performance of concrete and road construction materials. This system is manufactured for full compliance with IS 2386 (Part I) and is widely used in civil engineering laboratories and construction quality control sites.

Key Features

  • Used for determining flakiness index of coarse aggregates

  • Fully compliant with IS 2386 (Part I) standards

  • Precision-machined slotted gauges for multiple aggregate sizes

  • Heavy-duty stainless steel / powder-coated steel construction

  • Corrosion-resistant, long service life

  • Portable and easy to use in lab and field environments

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Description

Description

Why Flakiness Index Testing Matters

Flaky particles are defined as particles whose thickness is less than 0.6 × their mean sieve size. A high flakiness index can negatively affect:

  • Mechanical interlock in concrete

  • Load-bearing capacity in pavements

  • Compaction efficiency

  • Long-term durability of structures

The AZA0973 helps identify and control flaky particles before aggregates are used in critical construction applications.

Components of the Set

The AZA0973 set includes a complete range of precision slotted gauges, clearly marked for quick identification:

  • 63.0 mm × 33.9 mm

  • 50.0 mm × 26.0 mm

  • 40.0 mm × 19.5 mm

  • 31.5 mm × 16.0 mm

  • 25.0 mm × 13.2 mm

  • 20.0 mm × 10.2 mm

  • 16.0 mm × 8.5 mm

  • 12.5 mm × 6.7 mm

  • 10.0 mm × 6.3 mm

  • 6.3 mm × 3.3 mm

Technical Specifications

Parameter Specification
Model No. AZA0973
Product Name Flakiness Sieve Set
Standard IS 2386 (Part I)
Material Stainless steel / Powder-coated steel
Slot Size Range 6.3 mm to 63 mm
Usage Manual operation
Application Flakiness Index Test for aggregates
Accessories Slotted gauges set + user manual
Approx. Weight 4 – 5 kg

Applications

  • Aggregate testing laboratories

  • Highway and road construction QC

  • Ready-mix concrete plants

  • Infrastructure and civil engineering project sites

  • Educational and research institutions

FAQ

Q1: What is the flakiness index?
It is the percentage by weight of particles whose thickness is less than 0.6 × the mean particle size.

Q2: Why is flakiness harmful in construction?
Flaky particles reduce strength, compaction quality, and durability of concrete and bituminous layers.

Q3: Is AZA0973 IS standard compliant?
Yes, it is fully compliant with IS 2386 (Part I).

Q4: Can it test different aggregate sizes?
Yes, the set includes gauges for sizes from 6.3 mm to 63 mm.

Q5: How is the test performed?
Aggregates are passed through the appropriate slot gauge. Particles that pass through are classified as flaky and weighed to calculate the flakiness index.

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