If you have difficulty in submitting comments on draft standards you can use a commenting template and email it to admin.start@bsigroup.com. The commenting template can be found here.

We use cookies to give you the best experience and to help improve our website

Find out what cookies we use and how to disable them

PRI/50 - (Disbanded 18.05.25 See PRI/22)Raw materials (including latex) for use in the rubber industry

Sector: Manufacturing

Categories: Rubber | Rubber and plastics. Raw materials. General | Rubber compounding ingredients | Latex and raw rubber | Rubber and plastics. Raw materials | Plastics. General

Overview: Under the direction of the Standards Policy and Strategy Committee, is responsible for UK input to ISO/TC45/SC3 - To develop British Standards for natural and synthetic rubbers, latex and rubber compounding ingredients if and when required

Committee standards activity

In Progress (16)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
N2016 ISO/NP 17669 Determination of the microstructure of isoprene rubber (IR) -- 1H-NMR method

Categories: Information management | Standardization. General rules | Manufacturing | Rubber and plastic industries | Rubber and plastics. Raw materials | Rubber compounding ingredients

Proposal begins : 2022-05-05 		Proposal
ISO/TC45/SC3 N1806 – ISO/NP 4494 " Liquid silicone rubber - Classification"

Categories: Information management | Standardization. General rules | Manufacturing | Chemical technology | Silicones | Rubber and plastic industries | Rubber

Proposal begins : 2019-11-27 		Proposal
ISO/TC45/SC3 N1805 – ISO/NP 4485 "Liquid silicone rubber - Classification and nomenclature"

Categories: Information management | Standardization. General rules | Manufacturing | Chemical technology | Silicones | Rubber and plastic industries | Rubber

Proposal begins : 2019-11-27 		Proposal
ISO/TC 45/SC 3, ISO/NP 7681 Natural rubber field latex -- Determination of dry rubber content

Categories: Information management | Standardization. General rules | Manufacturing | Rubber and plastic industries | Rubber and plastics. Raw materials | Latex and raw rubber | Rubber

Proposal begins : 2021-05-13 		Proposal
ISO/TC 45/SC 3 N1838 - ISO/NP 5260 "Epoxidized natural rubber - Determination of epoxidation and ring opening level by NMR spectrometry"

Categories: Information management | Standardization. General rules | Measurement and Science | Metrology and measurement | Manufacturing | Rubber and plastic industries | Rubber and plastics. Raw materials | Rubber compounding ingredients | Rubber

Proposal begins : 2020-05-11 		Proposal
ISO/TC 45/SC 3 ISO/NP 5357 Synthetic rubber — Codification system

Categories: Information management | Vocabularies | Rubber and plastics industries | Standardization. General rules | Manufacturing | Rubber and plastic industries | Rubber and plastics. Raw materials | Latex and raw rubber | Rubber | Rubber and plastics products

Proposal begins : 2020-05-27 		Proposal
ISO/TC 45/SC 3 - ISO 2028 2015/NP Amd 1 (Ed 5) Synthetic rubber latex -- Preparation of dry polymer -- Amendment 1

Categories: Information management | Standardization. General rules | Manufacturing | Rubber and plastic industries | Rubber and plastics. Raw materials | Latex and raw rubber | Rubber | Rubber and plastics products

Proposal begins : 2021-04-13 		Proposal
ISO/PWI 17669.2 Determination of the microstructure of isoprene rubber (IR) — 1H-NMR method

Categories: Information management | Standardization. General rules | Manufacturing | Rubber and plastic industries | Rubber and plastics. Raw materials | Latex and raw rubber

Proposal begins : 2023-06-20 		Proposal
ISO/NP 25869 Oil-extended styrene-butadiene rubber --Determination of oil content — Thermogravimetric analysis (TGA)

Categories: Information management | Standardization. General rules

Proposal begins : 2025-04-16 		Proposal
ISO/NP 25694-2 Carboxylic-acrylonitrile-butadiene rubber (XNBR) --Determination of carboxyl content — Part 2: Oxygen analysis

Categories: Information management | Standardization. General rules

Proposal begins : 2025-04-16 		Proposal
Published (0)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
Withdrawn (0)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.