ISO/TC 33 - Refractories

Standardization of raw materials and products of the refractories industry and their properties.

Work programme

Drafts and new work items
Business plans

TC Business plans for public review
Working area

Working documents (user account required)
ISO Electronic applications

IT Tools that help support the standards development process
Public material

Browse documents made available by this group

This committee contributes with 20 standards to the following Sustainable Development Goals:

Published ISO standards *

ISO standards under development *

Participating members

Observing members

* number includes updates

Reference	Title	Type
ISO/TC 33/WG 17	Chemical analysis	Working group
ISO/TC 33/WG 25	Refractory test piece preparation – Gunning techniques	Working group
ISO/TC 33/WG 27	Test methods for refractory mortars	Working group
ISO/TC 33/WG 31	Phase quantitative analysis of residual quartz in silica bricks	Working group
ISO/TC 33/WG 32	Test methods for dense shaped refractories	Working group

The committees below can access the documents of ISO/TC 33:

Reference	Title	ISO/IEC
ISO/TC 24/SC 8	Test sieves, sieving and industrial screens	ISO
ISO/TC 163/SC 1	Test and measurement methods	ISO
ISO/TC 206	Fine ceramics	ISO

ISO/TC 33 can access the documents of the committees below:

Reference	Title	ISO/IEC
ISO/TC 24	Particle characterization including sieving	ISO
ISO/TC 24/SC 8	Test sieves, sieving and industrial screens	ISO
ISO/TC 71/SC 1	Test methods for concrete	ISO
ISO/TC 146/SC 2	Workplace atmospheres	ISO
ISO/TC 206	Fine ceramics	ISO

Acronym	Title	Category
PRE	European Refractories Producers Federation	A
WRA	World Refractories Association	A
EC - European Commission	European Commission	B
UNESCAP	United Nations Economic and Social Commission for Asia and the Pacific	B
WCO	World Customs Organization	B

British Standards Institution

389 Chiswick High Road
London W4 4AL
United Kingdom

Tel: +44 208 996 90 00

Fax: +44 208 996 74 00