ISO/PRF 2303

Isoprene rubber (IR) — Non-oil-extended, solution-polymerized types — Evaluation procedures

General information

Current stage: 50.00 Final text received or FDIS registered for formal approval Jul 7, 2026

Originator: ISO

Owner: ISO/TC 45/SC 3 Raw materials (including latex) for use in the rubber industry

Type: International Standard

ICS: 83.060 Rubber

Scope

This document specifies, for general-purpose non-oil-extended, solution-polymerized polyisoprene rubbers (IR):
— physical and chemical tests on raw rubbers;
— standard materials, a standard test formulation, equipment and processing methods for evaluating the vulcanization characteristics.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 2303:2019

NOW

IN_DEVELOPMENT
ISO/PRF 2303
50.00 Final text received or FDIS registered for formal approval
Jul 7, 2026