ISO 19846-2017 PDF

Full title and description

ISO 19846:2017 — Reclaimed rubber — Coding and classification system. This International Standard defines a concise alphanumeric coding system and a numeric classification scheme to identify and communicate the quality grades of reclaimed natural rubber and reclaimed isobutylene‑isoprene (IIR) rubber to support consistent specification, trading and material selection across the rubber industry.

Abstract

ISO 19846:2017 specifies a coding system for reclaimed natural rubber and reclaimed IIR and a numeric classification system based on measured properties (e.g., Mooney viscosity, tensile strength, rubber hydrocarbon content and acetone extract). The standard describes code elements and example designation formats intended to standardize communication of reclaimed rubber grades between suppliers, buyers and testing laboratories.

General information

• Status: Published (International Standard; currently marked for revision).
• Publication date: May 2017 (published May 2017; editions show 11–12 May 2017).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 83.040.10 — Latex and raw rubber.
• Edition / version: Edition 1 (2017).
• Number of pages: 3 pages.

Scope

ISO 19846:2017 applies to reclaimed natural rubber and reclaimed isobutylene‑isoprene (IIR) rubber. It establishes the elements and format of a coding and numeric classification system that communicates measured property ranges and type identifiers for reclaimed rubber grades; the standard itself does not add new test methods but relies on established test procedures referenced for property determination.

Key topics and requirements

• Defines a two-part designation structure identifying the reclaimed rubber type (e.g., 1 = reclaimed natural rubber, 2 = reclaimed IIR) followed by coded property elements.
• Specifies the property categories used for numeric classification: Mooney viscosity (ML(1+4) at 100 °C) categories, tensile strength classes (MPa), rubber hydrocarbon content categories and acetone extract ranges.
• Provides alphanumeric codes for each property range (examples: MVA–MVF for Mooney viscosity bands; TA–TE for tensile strength bands; RH1–RH4 for hydrocarbon content; AE1–AE4 for acetone extract).
• Examples of composite designations (illustrative formats used in the standard): e.g. "1 MVC TC RH2 AE2" or "2 MVB TC RH2 AE1", which combine type + four property codes to summarise a reclaimed-rubber grade.
• Requires that property values used for coding be determined in accordance with the referenced test specifications (e.g., ISO/TS documents for reclaimed rubber testing).

Typical use and users

Used by reclaimed‑rubber producers and recyclers, raw‑material purchasers, rubber compounders, product manufacturers, quality and testing laboratories, and standards or procurement teams to unambiguously specify, compare and purchase reclaimed rubber feedstocks. The coding system simplifies material grade communication in supply chains and technical documentation.

Related standards

Standards referenced or commonly used alongside ISO 19846 include the ISO technical specifications for reclaimed rubber testing (such as ISO/TS 16095 for natural‑rubber reclaimed material and ISO/TS 16096 for reclaimed IIR where applicable) and other ISO/TC 45 publications on raw materials and test methods. A committee draft to revise ISO 19846 (ISO/CD 19846) has been registered, indicating an update process is underway.

Keywords

reclaimed rubber, reclaimed natural rubber, IIR, isobutylene‑isoprene rubber, coding system, classification, Mooney viscosity, tensile strength, rubber hydrocarbon content, acetone extract, ISO 19846, ISO/TC 45.

FAQ

Q: What is this standard?

A: ISO 19846:2017 is an International Standard that defines a coding and numeric classification system for reclaimed natural rubber and reclaimed isobutylene‑isoprene (IIR) rubber to standardize grade identification.

Q: What does it cover?

A: It covers the format and code elements for describing reclaimed‑rubber grades based on measured properties (Mooney viscosity, tensile strength, rubber hydrocarbon content and acetone extract) and gives example designation structures for communicating those grades.

Q: Who typically uses it?

A: Producers and recyclers of reclaimed rubber, rubber compounders and manufacturers, procurement and quality teams, and testing laboratories use it to specify and compare reclaimed‑rubber feedstocks.

Q: Is it current or superseded?

A: ISO 19846:2017 was published in May 2017 and remains the current published edition, but ISO shows the standard as "to be revised" and a Committee Draft (ISO/CD 19846) for a revised edition has been registered, so a newer edition is under development. Users should monitor ISO/TC 45/SC 3 outputs or national standards bodies for the formal revised publication.

Q: Is it part of a series?

A: It is a standalone International Standard focused on reclaimed‑rubber coding/classification but is closely associated with ISO technical specifications and test method documents for reclaimed rubber (e.g., ISO/TS documents used to obtain the property values that feed the classification).

Q: What are the key keywords?

A: Reclaimed rubber, coding, classification, natural rubber, IIR, Mooney viscosity, tensile strength, acetone extract, rubber hydrocarbon content, ISO.