YB/T 4857-2020 Active Industry standards-Black metallurgy

YB/T 4857-2020 Half siliceous insulation refractory brick

Publish Date: 2020-12-09 Implement Date: 2021-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: YB/T 4857-2020

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Silica-based refractory materials

ICS Name: Fire-resistant materials

Publish Date: 2020-12-09

Implement Date: 2021-04-01

Scope

This standard specifies the terms and definitions, brand names and shapes and sizes, technical requirements, test methods, quality assessment procedures, packaging, marking, transportation, storage, and quality certificates for semi-silica refractory bricks. This standard applies to semi-silica refractory bricks used in the insulation layer of thermal kilns or in the working layer that is directly exposed to flames.