GB/T 7991.1-2021 Active National standards

GB/T 7991.1-2021 Test method of viterous and porcelain enamels—Part 1:Determination of resistance to alkaline liquids

GB/T 7991.1-2021 Test method of viterous and porcelain enamels—Part 1:Determination of resistance to alkaline liquids

Publish Date: 2021-12-31 Implement Date: 2022-07-01 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: GB/T 7991.1-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Non-metallic chemical machinery and equipment

ICS Name: Enamel

Publish Date: 2021-12-31

Implement Date: 2022-07-01

Pages: 16 pages

Scope

This document describes the test principle for determining the corrosion resistance of the enamel layer of enamel-coated flat specimens to alkaline solutions, and specifies the reagents, test devices, specimens, test procedures, result calculation, and test reports. This document is applicable to the determination of the corrosion resistance of the enamel layer to alkaline solutions.

Development Information

Word Count: 33 Thousand words Pages: 16 pages

Same series standard

GB/T 7991.3-2021 Test method of viterous and porcelain enamels—Part 3:Determination of resistance to thermal shock

Replace the following standards

GB/T 7988-2013 Viterous and porcelain enamels—Determination of resistance to alkaline liquids

Referenced Standards

GB/T 629-1997 Chemical reagent—Sodium hydroxide GB/T 678-2002 Chemical reagent—Ethanol GB/T 678-2023 Chemical reagent—Ethanol GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 12806-1991 Laboratory glassware—One-mark volumetric flasks GB/T 12806-2011 Laboratory glassware—One-mark volumetric flasks GB/T 20878-2007 Stainless and heat-resisting steels—Designation and chemical composition GB/T 20878-2024 Stainless steels—Designation and chemical composition HG/T 3105-2009 Preparation of glazed steel plate test specimens GB/T 629-2026 Chemical reagent—Sodium hydroxide

Adopt standards

ISO 28706-4:2016

Related Standards

GB/T 7996-1987 Replaced

GB/T 7996-1987 Nominal volume and nominal diameter for glass-lined vessel

Publish Date: 1987-07-01

GB/T 11418-1989 Active

GB/T 11418-1989 Determination of resistance to heat of vitreous and porcelain enamels

Publish Date: 1989-07-04

GB/T 11419-1989 Replaced

GB/T 11419-1989 Determination of resistance to thermal shock of vitreous and porcelain enamels

Publish Date: 1989-07-04

GB/T 11420-1989 Replaced

GB/T 11420-1989 Measurement of specular gloss of vitreous and porcelain enamels

Publish Date: 1989-07-04

GB/T 13484-1992 Replaced

GB/T 13484-1992 Enamelled ware in contact with food

Publish Date: 1992-06-05

GB/T 13485-1992 Abolished

GB/T 13485-1992 Standard test method for lead and cadmium released from enamelled ware in contact with food

Publish Date: 1992-06-05