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ISO/TS 23877-1:2023

Petroleum and related products from natural or synthetic sources — Determination of pour point — Part 1: Automated step-wise cooling method ISO/TS 23877-1:2023

Publication date:   Jul 6, 2023

General information

90.20   Standard under periodical review   Jul 15, 2026

ISO

ISO/TC 28 Petroleum and related products, fuels and lubricants from natural or synthetic sources

Technical Specification

75.080   Petroleum products in general

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Scope

This document specifies a method for determining the pour point of petroleum products by means of automated equipment, in which movement of the test specimen is detected using a step-wise cooling technique.
A separate procedure suitable for the determination of the lower pour point of fuel oils, heavy lubricant base stock, and products containing residual fuel components is also described.
The procedure described in this document is not suitable for crude oils.
Test results from this method are determined in 3 °C testing intervals.
NOTE       Some equipment can also generate results at 1 °C testing intervals, which is an acceptable alternative procedure, but for which precision and bias have not been determined.

Life cycle

NOW

PUBLISHED
ISO/TS 23877-1:2023
90.20 Standard under periodical review
Jul 15, 2026




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