Home / News / Product News / Calorific Value Analysis Instrument
  • At low ambient temperatures, lubricants can thicken, impeding pumpability and delaying machinery start‑up. The Low Temperature Dynamic Viscosity Tester from Changsha Friend Experimental Analysis Instrument Co., Ltd. quantifies lubricant flow behavior under sub-zero conditions, supporting formulation of winter‑grade oils.

    2025.07.02

    Read More
  • Foaming in lubricants can impair heat transfer, reduce film strength, and lead to cavitation in pumps. Changsha Friend’s Lubricating Oils Foaming Characteristics Tester systematically evaluates both foam tendency and stability at multiple temperatures, guiding anti‑foam additive optimization.

    2025.07.02

    Read More
  • Flash point is a key safety parameter for flammable liquids, indicating the lowest temperature at which vapors ignite in air. The Automatic Open Cup Flash Point Tester from Changsha Friend Experimental Analysis Instrument Co., Ltd. automates the open‑cup method (ASTM D92/ISO 2592), improving repeatability and operator safety.

    2025.07.01

    Read More
  • Reducing metal‑to‑metal wear is a primary objective in lubricant formulation. The Lubricant Anti‑Wear Performance Tester from Changsha Friend Experimental Analysis Instrument Co., Ltd. evaluates a lubricant’s ability to protect contact surfaces under boundary and mixed lubrication regimes, offering quantitative wear metrics for R&D and quality control.

    2025.06.30

    Read More
  • In high‑temperature applications such as engine crankcases and industrial gearboxes, lubricant volatility can lead to oil consumption, deposit formation, and changes in viscosity. The Lubricating Oil Evaporation Loss Tester from Changsha Friend Experimental Analysis Instrument Co., Ltd. quantifies the mass loss of a lubricant sample under controlled thermal and airflow conditions, providing a clear indicator of its resistance to evaporation.

    2025.06.30

    Read More
  • Total 31 pages  Go to Page
  • Go
We strive to create new management models and new products to meet the growing needs of customers.
Inquire

QUICK LINKS

CONTACT US

 Floor 4, Building 6, Zone A, Jindaoyuan Phase I Industrial Factory, No. 169 Huizhi Middle Road, Changsha High-tech Development Zone
 +86-17871927557
​Copyright ©2024 Changsha Friend. All rights reserved  Sitemap