ISO 12127-1-2015 PDF

Full title and description

Clothing for protection against heat and flame — Determination of contact heat transmission through protective clothing or constituent materials — Part 1: Contact heat produced by heating cylinder (ISO 12127-1:2015). This international standard specifies a laboratory test method that quantifies heat transfer through protective garments or their component materials when contacted by a heated metallic cylinder.

Abstract

ISO 12127-1:2015 describes the heating-cylinder contact-heat test used to determine the time for a calorimeter beneath a specimen to register a defined temperature rise when a hot cylinder is applied to the material. The procedure is intended for protective clothing (including hand protectors) and is restricted to contact temperatures in the range 100 °C to 500 °C.

General information

• Status: Published / current (confirmed at systematic review).
• Publication date: December 2015 (published 8 December 2015; edition 2 published in 2015).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 13.340.10 (Protective clothing).
• Edition / version: Edition 2 (2015).
• Number of pages: 9 pages.

Key bibliographic details and status information are recorded on the ISO catalogue and national standards repositories.

Scope

Applies to materials and garments intended to protect against high contact temperatures; the method measures contact-heat transmission for contact temperatures between 100 °C and 500 °C using a heated metal cylinder pressed onto a specimen mounted on a calorimeter. The standard is intended for use in material selection, product development, performance classification and conformity assessment for PPE exposed to hot surfaces.

Key topics and requirements

• Test principle: a polished metal heating cylinder at a controlled surface temperature contacts the specimen; a calorimeter beneath the specimen records temperature rise and the threshold time is measured.
• Threshold definition: the threshold time is the interval until the calorimeter temperature increases by 10 °C above its starting value (reported to 0.1 s resolution).
• Contact temperature range: 100 °C to 500 °C (typical test points include 250 °C for certain classifications).
• Apparatus and parameters: specified heating-cylinder diameter and construction, central bore for temperature sensing, contact force (typical specified force ≈ 49 N) and contact rate; precise calibration and insulation requirements are described.
• Specimen preparation and conditioning: defined specimen size and conditioning (e.g., circular specimens, conditioning at standard laboratory temperature and humidity before testing).
• Reporting: test reports must reference the standard and include specimen identification, contact temperature(s), threshold time(s), any observed damage and test deviations.

Technical parameters and reporting requirements are given in detail in the standard text.

Typical use and users

PPE manufacturers, textile and materials laboratories, test houses and certification bodies use ISO 12127-1 to evaluate and compare the contact-heat performance of fabrics, linings and glove materials. Occupational safety specialists, garment designers and procurement teams consult results from this test when selecting or specifying protective clothing for foundries, metalworking, glass and other high-contact‑temperature work environments.

Related standards

ISO 12127 is a multi-part series; Part 2 (test method using contact heat produced by dropping small cylinders) exists as ISO 12127-2 (originally published 2007) and is related but has a different test purpose and status. ISO 12127-1 is commonly referenced alongside other protective-clothing standards such as ISO 11612 (protective clothing — minimum performance requirements for protection against heat and flame) and ISO 9185 (resistance to molten metal splash). EN adoptions (EN ISO 12127-1:2015) are used in regional conformity frameworks.

Keywords

contact heat, heating cylinder, calorimeter, protective clothing, PPE testing, contact temperature 100–500 °C, threshold time, ISO/TC 94/SC 13, contact-heat transmission.

FAQ

Q: What is this standard?

A: ISO 12127-1:2015 is an international test method that specifies how to measure contact-heat transmission through protective clothing materials using a heated cylinder contact test.

Q: What does it cover?

A: It covers the laboratory procedure, apparatus, specimen preparation, conditioning, measurement and reporting for contact heat produced by a heating cylinder, restricted to contact temperatures from 100 °C to 500 °C. The result is reported as the threshold time for a defined calorimeter temperature rise.

Q: Who typically uses it?

A: Material and garment manufacturers, independent test laboratories, conformity assessment bodies, PPE specifiers and occupational-safety professionals who need objective contact-heat performance data for fabrics, gloves and other protective items.

Q: Is it current or superseded?

A: The 2015 edition (Edition 2) is the current published version; the earlier 2007 edition was superseded by ISO 12127-1:2015. The standard was confirmed at its periodic review and remains the active test method.

Q: Is it part of a series?

A: Yes — ISO 12127 is a multi-part series addressing different contact-heat test methods. Part 1 is the heating‑cylinder method (this document); Part 2 (dropping small cylinders) addresses a different contact‑heat scenario. ISO 12127 methods are often referenced together with ISO 11612 and other PPE performance standards.

Q: What are the key keywords?

A: Contact heat, heating cylinder, calorimeter, protective clothing, PPE testing, threshold time, contact temperature 100–500 °C, ISO 12127-1:2015.