British Standards Institution

Sector: Manufacturing

Overview: Under the direction of the Standards Policy and Strategy Committee, is responsible for the UK input to CEN/TC 187 and ISO/TC 33 and liaise with other appropriate technical committees and their working groups as required.

Committee standards activity

In Progress (25)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
N614 - NWI for CEN to develop ISOAWI 21068-4 under VA	Chemical analysis of raw materials and refractory products containing silicon carbide, silicon nitride, silicon oxynitride and sialon — Part 4: XRD methods Categories: Information management \| Standardization. General rules \| Manufacturing \| Chemical technology \| Chemical analysis Proposal begins : 2022-12-06	Proposal
ISO/TC 33 N1349 ISO/NP TS 16370	Guidance on selection of abrasion resistant refractory for circulating fluidized bed boiler Categories: Information management \| Standardization. General rules \| Manufacturing \| Refractories Proposal begins : 2022-01-24	Proposal
ISO/TC 33 N1324 ISO/PWI 20182.2	Refractory test-piece preparation -- Gunning refractory panels by the pneumatic-nozzle mixing type guns Categories: Information management \| Standardization. General rules \| Manufacturing \| Refractories Proposal begins : 2021-11-03	Proposal
ISO/TC 33 N1322 ISO/NP 21068-4	Chemical analysis of raw materials and refractory products containing silicon carbide, silicon nitride, silicon oxynitride and sialon -- Part 4: XRD methods Categories: Information management \| Standardization. General rules \| Manufacturing \| Chemical technology \| Chemical analysis Proposal begins : 2021-09-01	Proposal
ISO/TC 33 N 1235 - ISO/NP 24467	Refractory materials -- Determination of tensile strength at room temperature Categories: Information management \| Standardization. General rules Proposal begins : 2019-07-08	Proposal
ISO/NP 22685, ISO/TC 33 N 1233	Refractory products -- Determination of compressive strength at elevated temperature Categories: Standardization. General rules \| Manufacturing \| Glass and ceramics industries \| Glass and ceramics industries. Processes \| Ceramics \| Refractories Proposal begins : 2019-06-28	Proposal
ISO/NP 21068-3 (Ed 2) -	Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents Categories: Standardization. General rules \| Manufacturing \| Chemical technology \| Chemical analysis Proposal begins : 2021-08-11	Proposal
ISO/NP 21068-3 (Ed 2) -	Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents Categories: Information management \| Standardization. General rules \| Manufacturing \| Chemical technology \| Chemical analysis Proposal begins : 2021-08-11	Proposal
ISO/NP 21068-1 (Ed 2) -	Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 1: General information and sample preparation Categories: Standardization. General rules \| Manufacturing \| Chemical technology \| Chemical analysis Proposal begins : 2021-08-11	Proposal
ISO/NP 20182	Refractory test-piece preparation -- Gunning refractory panels by the pneumatic-nozzle mixing type guns Categories: Information management \| Standardization. General rules \| Manufacturing \| Glass and ceramics industries \| Refractories Proposal begins : 2021-01-07	Proposal

Published (72)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 23071:2021	Refractory products. Determination of reduced species in carbon containing refractories by XRD Categories: Refractories Published standard begins : 2021-04-21	Published standard
BS ISO 22685:2021	Refractory products. Determination of compressive strength at elevated temperature Categories: Refractories Published standard begins : 2021-10-28	Published standard
BS ISO 22605:2020	Refractories. Determination of dynamic Young’s modulus (MOE) at elevated temperatures by impulse excitation of vibration Categories: Refractories Published standard begins : 2020-08-18	Published standard
BS ISO 22016:2015	Determination of sulfur in refractory products and raw materials by gravimetric, photometric and titrimetric methods Categories: Refractories Published standard begins : 2015-05-20	Published standard
BS ISO 21736:2020	Refractories. Test methods for thermal shock resistance Categories: Refractories Published standard begins : 2020-10-08	Published standard
BS ISO 18886:2016	Refractory test-piece preparation. Gunning refractory panels by wet gunning techniques Categories: Refractories Published standard begins : 2016-04-13	Published standard
BS ISO 16334:2013	Monolithic refractory products. Determination of resistance to explosivespalling Categories: Refractories Published standard begins : 2013-08-16	Published standard
BS ISO 16169:2018	Preparation of silicon carbide and similar materials for analysis by ISO 12677 X-ray fluorescence (XRF). Fused cast-bead method Categories: Refractories Published standard begins : 2018-07-30	Published standard
BS ISO 13765-7:2021	Refractory mortars. Determination of permanent change in dimensions on heating Categories: Refractories Published standard begins : 2021-10-28	Published standard
BS ISO 13765-6:2004	Refractory mortars. Determination of the moisture content of ready-mixed mortars Categories: Refractories Published standard begins : 2006-02-03	Published standard

Withdrawn (31)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
DD ENV 1402-8:1999	Unshaped refractory products. Determination of complementary properties Categories: Refractories Withdrawn begins : 2003-10-28	Withdrawn
DD CEN/TS 993-11:2003	Dense shaped refractory products. Determination of resistance to thermal shock Categories: Refractories Withdrawn begins : 2008-01-08	Withdrawn
BS ISO 8840:2021	Refractory materials. Determination of bulk density of granular materials (grain density) Categories: Refractories Withdrawn begins : 2024-06-10	Withdrawn
BS ISO 10081-4:2007	Classification of dense shaped refractory products. Special products Categories: Refractories Withdrawn begins : 2014-09-08	Withdrawn
BS EN ISO 26845:2008	Chemical analysis of refractories. General requirements for wet chemical analysis, atomic absorption spectrometry (AAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES) methods Categories: Refractories Withdrawn begins : 2009-11-02	Withdrawn
BS EN ISO 21068-3:2008	Chemical analysis of silicon-carbide-containing raw materials and refractory products. Determination of nitrogen, oxygen and metallic and oxidic constituents Categories: Refractories Withdrawn begins : 2024-06-21	Withdrawn
BS EN ISO 21068-2:2008	Chemical analysis of silicon-carbide-containing raw materials and refractory products. Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon Categories: Refractories Withdrawn begins : 2024-06-21	Withdrawn
BS EN ISO 21068-1:2008	Chemical analysis of silicon-carbide-containing raw materials and refractory products. General information and sample preparation Categories: Refractories Withdrawn begins : 2024-05-16	Withdrawn
BS EN ISO 20565-3:2008	Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method). Flame atomic absorption spectrometry (FAAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES) Categories: Refractories Withdrawn begins : 2010-09-08	Withdrawn
BS EN ISO 20565-2:2008	Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method). Wet chemical analysis Categories: Refractories Withdrawn begins : 2010-09-08	Withdrawn

Standards Development

RPI/1 - Refractory products and materials

Committee standards activity