ISO 3386-1:2025 PDF

Polymeric materials, cellular flexible — Determination of stress-strain characteristics in compression — Part 1: Low-density materials

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Title (English):

ISO 3386-1:2025

Polymeric materials, cellular flexible — Determination of stress-strain characteristics in compression — Part 1: Low-density materials

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 6
Publication date:: July 7, 2025
Edition:: ISO IS 3386 edition 3 version 1
ICS:: 83.100

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Description (English):

This document specifies a method for the determination of the compression stress/strain characteristics of low-density flexible cellular materials up to 250 kg/m3. It also specifies a method for the calculation of the compression stress value of such materials.

Technical details

Technical committee: ISO/TC 45/SC 4 - Products (other than hoses)
SKU: ISO 3386-1:2025

Abstract

Overview

ISO 3386-1:2025 specifies a laboratory method to determine the compression stress–strain characteristics of low-density flexible cellular polymeric materials (foams) up to 250 kg/m³. The standard defines test-piece geometry, conditioning, apparatus requirements and a repeatable procedure that produces a compression stress/strain curve (CC) and a single-point compression stress value at 40% compression (CV40). This is the third edition and replaces the 1986 edition with updates to scope, terms and a schematic test procedure.

Key topics and technical requirements

Scope: Low-density flexible cellular materials (density ≤ 250 kg/m³).
Specimens: Right parallelepiped or right cylinder; minimum width/diameter to thickness ratio 2:1. Preferred thickness 50 ± 1 mm (minimum 10 mm). Minimum area 2 500 mm²; sheets

Related standards

Other ISO standards

Overview

Key topics and technical requirements

Scope: Low-density flexible cellular materials (density ≤ 250 kg/m³).
Specimens: Right parallelepiped or right cylinder; minimum width/diameter to thickness ratio 2:1. Preferred thickness 50 ± 1 mm (minimum 10 mm). Minimum area 2 500 mm²; sheets

ISO 3386-1:2025 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

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