ISO 3380:2015 PDF

Leather — Physical and mechanical tests — Determination of shrinkage temperature up to 100 °C

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Title (English):

ISO 3380:2015

Leather — Physical and mechanical tests — Determination of shrinkage temperature up to 100 °C

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 4
Publication date:: August 25, 2015
Edition:: ISO IS 3380 edition 3 version 1
ICS:: 59.140.30

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Description (English):

ISO 3380:2015 specifies a method for determination of the shrinkage temperature of leather up to 100 °C. It is applicable to all leathers.

Technical details

Technical committee: IULTCS - International Union of Leather Technologists and Chemists Societies
SKU: ISO 3380:2015

Abstract

Overview

ISO 3380:2015 - Leather - Physical and mechanical tests - Determination of shrinkage temperature up to 100 °C - specifies a standardized laboratory method to determine the shrinkage temperature of leather (up to 100 °C). Prepared by IULTCS in cooperation with CEN, the method is applicable to all leathers and is used to assess thermal stability related to collagen denaturation.

Key topics and technical requirements

Scope: Determination of the temperature at which a leather specimen undergoes sudden shrinkage when heated in water (up to 100 °C).
Principle: Heat a suspended test piece in water at a controlled rate and record the temperature at which a measurable shrinkage occurs.
Apparatus essentials:
- Vessel (≥ 500 ml, working depth ≥ 110 mm) and heater capable of a controlled heating rate.
- Fixed and moveable test-piece holders, pulley and pointer system with at least 5× magnification of movement.
- Temperature sensor accurate to ±0.5 °C, graduated to 1 °C.
- Stirrer to keep temperature uniform (top-to-bottom difference ≤ 1 °C).
- Optional pressurized vessel for testing above 100 °C.
Sample preparation:
- Sampling per ISO 2418; thickness measured per ISO 2589.
- Test-piece dimensions: typically 50 mm × 3.0 mm (≤ 3 mm thick) or 50 mm × 2.0 mm (> 3 mm thick); orientation: two samples parallel and two perpendicular to backbone.
Procedure highlights:
- For dry samples: pre-immerse in 5.5 ml water in a sealed tube, evacuate desiccator to

Related standards

Mentioned in the description and other ISO standards

Overview

Key topics and technical requirements

Scope: Determination of the temperature at which a leather specimen undergoes sudden shrinkage when heated in water (up to 100 °C).
Principle: Heat a suspended test piece in water at a controlled rate and record the temperature at which a measurable shrinkage occurs.
Apparatus essentials:
- Vessel (≥ 500 ml, working depth ≥ 110 mm) and heater capable of a controlled heating rate.
- Fixed and moveable test-piece holders, pulley and pointer system with at least 5× magnification of movement.
- Temperature sensor accurate to ±0.5 °C, graduated to 1 °C.
- Stirrer to keep temperature uniform (top-to-bottom difference ≤ 1 °C).
- Optional pressurized vessel for testing above 100 °C.
Sample preparation:
- Sampling per ISO 2418; thickness measured per ISO 2589.
- Test-piece dimensions: typically 50 mm × 3.0 mm (≤ 3 mm thick) or 50 mm × 2.0 mm (> 3 mm thick); orientation: two samples parallel and two perpendicular to backbone.
Procedure highlights:
- For dry samples: pre-immerse in 5.5 ml water in a sealed tube, evacuate desiccator to

ISO 3380:2015 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Related standards

Abstract

Overview

Key topics and technical requirements

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