TML transportable moisture limit

Precision machines for flow table, penetration, and Proctor/Fagerberg tests to determine moisture safety limits in bulk materials.

Transportable Moisture Limit (TML) testing determines the maximum moisture content at which a bulk material is safe to transport without risk of liquefaction under vibration and load. This parameter is critical in the mining, shipping, and materials processing industries for safe handling of ores, concentrates and other solid bulk cargos.

TML testing methods, including the Flow Table Test, Penetration Test, and Proctor/Fagerberg Method help measure moisture-related behavior for compliance with international shipping standards such as the IMSBC Code

TML machinery is designed for precision and reliability, providing critical data on the grindability of various materials. This equipment is an industry standard in mining, mineral processing, and material testing, helping engineers and researchers optimize crushing and grinding operations.

TML Flow Table Test


The flow table test machine is used to determine the flow characteristics of cementitious materials.

  • Freely movable and air-controlled tamper
  • Ensures compliance with IMSBC Code

Product Overview

TML flow table test machine

TML Penetration Test


A TML penetration test machine measures the resistance of materials.

  • Portable design for on-site testing
  • Easy adjustable settings using digital program

Product Overview

TML penetration test machine

TML Proctor / Fagerberg


The Proctor/Fagerberg test is conducted to determine the maximum density of a material.

Product Overview

TML Proctor Fagerberg test equipment

TML transportable moisture limit equipment FAQ (Frequently Asked Questions)

TML stands for Transportable Moisture Limit, the moisture level at which a solid bulk material may begin to behave like a fluid during transport due to vibration and movement.

TML is measured using methods such as the Flow Table Test, Penetration Test, and Proctor/Fagerberg Test — each evaluating moisture-related deformation or penetration behavior of materials under controlled loading.

If the moisture content exceeds the TML, cargo may liquefy and compromise vessel stability. Testing helps comply with IMSBC Code requirements and ensures safe carriage of bulk materials.

Mining, mineral processing, cement, infrastructure materials labs, shipping documentation authorities and quality control departments use TML testing machines for moisture characterization and safety assessment.

In a Flow Table Test, a sample is loaded into a mold and then subjected to drops/impacts; the extent of downward spread correlates to the flow moisture point (FMP), from which TML is calculated.

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