Presentation Profile
Advancements in Cold Flow Property Testing: A Compact Unique Approach to Manual Cloud and Pour Point Determination
Currently Scheduled: 10/14/2026 - 1:00 PM - 2:00 PM
Room: Exhibit Hall Entrance
Main Author
Raj Shah - Koehler Instrument Company, Inc.
- Lei Andre Delos Reyes - Koehler Instrument Company, Inc.
Abstract:
Cold flow properties, specifically cloud point and pour point, are critical indicators of low-temperature performance for fuels, lubricants, and crude oils. These measurements define when visible wax formation begins and when flow behavior effectively stops, directly impacting the reliability of lubricating oil systems, fuel systems, and pipeline operations under low-temperature stress. Traditional manual testing relies on liquid cooling baths that require large footprints, involve cumbersome fluid handling, and suffer from frost accumulation that hinders visibility. To resolve these operational bottlenecks, modern instrumentation like the Koehler K66100 Compact Cloud and Pour Point Bath utilizes a solid-block design with Stirling cooling. This architecture provides extreme low-temperature testing with jacket temperatures reaching down to -105°C in a compact bench-top footprint. Designed to acquire data in strict accordance with manual referee methods, the system supports ASTM D97, ASTM D2500, ASTM D5853, and related IP standards. A frost-free top cover preserves visibility during deep-cold operation, while preset temperature programs automatically step cooling in five minutes or less down to -51°C. By integrating deep-cold capabilities into a compact platform, laboratories can maintain rigorous adherence to manual cold flow testing standards while optimizing bench space and improving workflow efficiency.











