The Slake Durability Apparatus is a precision-engineered testing instrument used to determine the durability and resistance of weak or soft rocks when exposed to cycles of wetting and drying. It is widely used in geotechnical engineering, civil construction, mining, and geological research to evaluate material stability and predict long-term performance in various environmental conditions.

This robust apparatus features rotating drums, water tanks, and a highly efficient drive system that ensures consistent testing conditions for accurate slake durability index determination. Designed for repeatability and compliance with international standards, it is essential for assessing weathering potential of shale, claystone, siltstone, and other similar rocks.

Key Features

• Accurate Rotational Speed Control
  Ensures precise testing conditions and repeatable results.

• Durable Stainless Steel Drums
  Resistant to corrosion and suitable for long-term laboratory use.

• Dual Drum Testing Capability
  Allows simultaneous testing of two rock samples for productivity.

• User-Friendly Operation
  Simple sample loading and timed rotation cycles for efficient workflow.

• Standards Compliant
  Conforms to ASTM D4644 and relevant international testing methods.

Applications

• Evaluation of weak rock durability

• Geotechnical site investigation

• Mining and quarry material assessment

• Road and tunnel excavation planning

• Geological research and education

The Liquid Limit Apparatus is a standard and essential device used to determine the liquid limit of fine-grained soils, a critical parameter in soil classification, foundation design, and geotechnical analysis. Commonly used in soil testing laboratories, construction QC departments, educational institutes, and research centers, this apparatus helps evaluate the plasticity, compressibility, and engineering behavior of clay and silt soils.

Manufactured with high-quality brass or durable metal components, the Liquid Limit Apparatus typically includes a brass cup, hard rubber base, crank-operated cam mechanism, and grooving tools. It ensures smooth operation, consistent drop height, and repeatable test results as per IS, ASTM, BS & other international standards. This apparatus provides precise measurements necessary for accurate soil classification under the Atterberg Limits test.

Key Features

• Determines the liquid limit of fine-grained and cohesive soils

• Includes brass cup, rubber base, cam-operated crank, and grooving tools

• Ensures consistent drop height for accurate and repeatable results

• Built with durable, corrosion-resistant materials for long service life

• Essential for Atterberg Limits testing and soil classification

• Suitable for geotechnical labs, construction QC teams, and academic institutions

• Complies with IS:2720, ASTM D4318 & international test standards

The Relative Density Apparatus is a precision-engineered instrument used to determine the relative density, maximum density, and minimum density of cohesionless and granular soils such as sand, gravel, and mixed aggregates. Essential for geotechnical engineering, soil mechanics studies, and construction quality control, this apparatus helps evaluate the compaction characteristics, stability, and performance of soil used in foundations, embankments, and earthwork projects.

Built with high-strength metal components and designed for reliable, long-term use, the Relative Density Apparatus typically includes a vibratory table, guide sleeve, surcharge base plate, tamping rod, and molds. It ensures accurate and repeatable results for laboratory testing as per IS, ASTM, and other international standards. Ideal for soil labs, research institutions, and civil engineering firms, this apparatus provides dependable measurements critical for safe and efficient project design.

Key Features

• Determines maximum & minimum dry density of granular soils

• Suitable for cohesionless soils like sand, gravel & aggregates

• Includes vibratory table, molds, surcharge weights, and guide sleeve

• Provides accurate, repeatable, and standardized test results

• Sturdy, long-lasting construction for rigorous laboratory use

• Complies with IS, ASTM & international soil testing standards

• Ideal for geotechnical labs, construction QC, and academic research