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GB/T 41503-2022Monolithic (unshaped) refractory products - Gunning refractory panels by the pneumatic-nozzle mixing type guns (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

April 15, 2022

Implementation date

November 1, 2022

Scope

GB/T 41503-2022 (Monolithic (unshaped) refractory products - Gunning refractory panels by the pneumatic-nozzle mixing type guns) is available as an English-translated PDF.

GB/T 41503-2022 is the Chinese standard "Monolithic (unshaped) refractory products - Gunning refractory panels by the pneumatic-nozzle mixing type guns".

Its scope clause reads: This document specifies the principles, equipment, sampling, and test steps for preparing refractory spray test blocks using a pneumatic nozzle hybrid spray gun at room temperature steps, test report.

This document does not apply to refractory shotcrete containing easily hydratable aggregate, nor to plastic refractory shotcrete and wet refractory shotcrete. Note.

The measured data of the sample cut from the spray material test block prepared by this method may be the same as that of the same material obtained after being taken out from the spray construction position. The sample values do not match. Its clauses include terms and definitions.

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Document preview — GB/T 41503-2022

National Standard of the People's Republic of China

Classification: Q 40

Issued by: State Administration for Market Regulation, China National Standardization Administration

Introduction
1 Scope
2 Normative references

1 Scope

This document specifies the principles, equipment, sampling, and test steps for preparing refractory spray test blocks using a pneumatic nozzle hybrid spray gun at room temperature steps, test report.

This document does not apply to refractory shotcrete containing easily hydratable aggregate, nor to plastic refractory shotcrete and wet refractory shotcrete.

Note. The measured data of the sample cut from the spray material test block prepared by this method may be the same as that of the same material obtained after being taken out from the spray construction position.

The sample values do not match.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 4513.1 Unshaped Refractories Part 1.Introduction and Classification (GB/T 4513.1-2015, ISO 1927-1.2012,

MOD)

GB/T 4513.2 Unshaped Refractories Part 2.Sampling (GB/T 4513.2-2017, ISO 1927-2.2012, IDT)

GB/T 18930 Refractory Terms (GB/T 18930-2020, ISO 836.2001, MOD)

3 Terms and Definitions

The terms and definitions defined in GB/T 4513.1 and GB/T 18930 and the following terms and definitions apply to this document.

3.1

Unshaped refractory materials that are sprayed by pneumatic or mechanical means.

Note. Also known as refractory spray coating (see GB/T 4513.1).

3.2

Supplied in pre-mixed ready-to-use state, with cohesiveness and plasticity, and sprayed with equipment with higher air pressure.

Unshaped refractory material.

3.3

Supplied in dry state, add water (binding agent) to mix before spraying, and then transport it with a spray gun or pump and pour it for spraying.

injection.

GB/T 38978 | GB/T 36133 | GB/T 36134 | GB/T 47108 | GB/T 47098 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 1927 · ISO 836.2001

Cited by

GB/T 46062-2025Monolithic (unshaped) refractory products - Gunning refractory panels by wet gunning techniques

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