GB/T 35464-2017 in English

VALID

Agglomerated stone test methods―Determination of resistance to ageing by salt mist

Issued on:2017-12-29
Implemented on:2018-11-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $100.00
$97.00

Standard No:	GB/T 35464-2017
Document status:	VALID
Title in English:	Agglomerated stone test methods―Determination of resistance to ageing by salt mist
Title in Chinese:	合成石材试验方法盐雾老化测试
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2017-12-29
Implemented on:	2018-11-01
ICS Classification:	91.100.15-Mineral materials and products
Chinese Classification:	Q21-Masonry product
Professional Classification:	GB-National Standard
Related Keywords:	synthetic stone test method salt spray aging test synthetic stone salt spray aging test method in-depth interpretation standard background agglomerated stone test methods domestic synthetic stone salt spray salt spray
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《GB/T 35464-2017合成石材试验方法盐雾老化测试》由TC460（全国石材标准化技术委员会）归口，主管部门为中国建筑材料联合会。

Introduction

GB/T 35464—2017 Synthetic Stone Salt Spray Aging Test Method In-depth Interpretation

Standard Background and Significance

GB/T 35464—2017 "Synthetic Stone Test Method Salt Spray Aging Test" is an important standard for evaluating the corrosion resistance of synthetic stone. With the widespread application of synthetic stone in the field of architectural decoration, its durability in harsh environments has become a focus of attention. The formulation of this standard fills the gap in the domestic synthetic stone salt spray aging test method and provides a scientific basis for evaluating the corrosion resistance of materials.

Comparison of standard frameworks

Dimensions	GB/T 35464—2017	International similar standards	Remarks
Test solution concentration	(100±10)g/L	ASTM B117: (50±2.5)g/L	Domestic standards have higher requirements
pH range	6.5~7.2	NACE TM01-88: 6.8~7.4	More stringent requirements
Temperature control	(35±2)℃	NACE TM01-88: (40±2)℃	More emphasis on temperature control accuracy

Explanation of professional terms and practical application cases

Salt spray circulation box:Equipment used to simulate a neutral salt spray environment, which includes a spray device, a saturation tower and a salt spray collector. For example, during the test, the spray pressure is controlled within the range of 70~170kPa to ensure uniform distribution of the salt spray.

Mass loss rate: Calculated by the formula Δmₙ=(m₀−mₙ)/m₀×100, it reflects the degree of corrosion of the sample in the salt spray environment. For example, after 30 cycles, the mass loss rate of a synthetic stone is 2.5%, indicating that it has good corrosion resistance.

Recommendations for the implementation of the standard

Instrument and equipment selection: It is preferred to use a reagent preparation system that meets the requirements of GB/T 603 and GB/T6682 to ensure accurate preparation of the test solution.
Staff training: Operators should be familiar with the working principle and maintenance methods of the salt spray chamber, especially the adjustment of the spray device and the management of the saturation tower.
Environmental control: The temperature and pH value must be strictly monitored during the test to ensure that the test conditions meet the standard requirements.

More samples: JC/T 2453-2018 YD/T 3934-2021 QC/T 942-2021

Sample only — not a preview of GB/T 35464-2017

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