GB/T 494-2025 Active National standards

GB/T 494-2025 Asphalt used in roofing

GB/T 494-2025 Asphalt used in roofing

Publish Date: 2025-10-05 Implement Date: 2026-05-01 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 494-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Petroleum asphalt

ICS Name: Paraffin, asphalt materials, and other petroleum products

Publish Date: 2025-10-05

Implement Date: 2026-05-01

Pages: 12 pages

Scope

This document specifies the product classification, technical requirements, and testing methods for building petroleum asphalt obtained from crude oil by distillation or other processes, as well as inspection rules and requirements for packaging, marking, storage and transportation, and delivery and acceptance.
This document is applicable to products used for building roofing, underground waterproofing, and for manufacturing coatings, anti-corrosive materials, and impregnating materials for waterproofing membranes, etc.

Development Information

Word Count: 12 Thousand words Pages: 12 pages

Replace the following standards

GB/T 494-2010 Asphalt used in roofing

Referenced Standards

GB/T 267-1988 Petroleum products—Determination of flash and fire points—Open cup GB/T 3536-1983 Petroleum products—Determination of flash and fire points—Cleveland open cup method GB/T 3536-2008 Petroleum products—Determination of flash and fire points—Cleveland open cup method GB/T 4507-1999 Standard test method for softening point of bitumen (ring-and-ball apparatus) GB/T 4507-2014 Standard test method for softening point of bitumen—Ring-and-ball apparatus GB/T 4508-1999 Standard test method for ductility of bitumen GB/T 4508-2010 Standard test method for ductility of bitumen GB/T 4508-2025 Test method for ductility of asphalt GB/T 4509-1998 Bitumen—Determination of penetration GB/T 4509-2010 Standard test method for penetration of bitumen GB/T 11147-1989 Asphalt—Sampling method GB/T 11147-2010 Standard practice for sampling bituminous materials GB/T 11147-2025 Method for sampling asphalt materials GB/T 11148-2008 Test method for solubility of asphalt GB/T 11148-2025 Test method for solubility of asphalt GB/T 11964-1989 Asphalt—Determination of evaporation loss GB/T 11964-2008 Test method for loss on heating of asphalt NB/SH/T 0164-2019 Rules for packaging, storage and transportation of petroleum and related products, as well as acceptance and delivery inspection NB/SH/T 0739-2014 The method for measuring the high-temperature viscosity of asphalt using a rotational viscosity instrument NB/SH/T 0739-2025 Asphalt viscosity determination method: Rotational viscosity instrument method

Related Standards

GB/T 3554-1983 Replaced

GB/T 3554-1983 Petroleum waxes—Determination of oil content

Publish Date: 1983-03-31

GB/T 7363-1987 Replaced

GB/T 7363-1987 Paraffin wax—Determination of polynuclear aromatics

Publish Date: 1987-03-05

GB/T 7364-1987 Replaced

GB/T 7364-1987 Paraffin wax—Determination of carbonizable substances

Publish Date: 1987-03-05

GB/T 8024-1987 Abolished

GB/T 8024-1987 Petroleum waxes and petrolatums—Determination of trace nitrogen—Microcoulometric method

Publish Date: 1987-07-03

GB/T 8025-1987 Active

GB/T 8025-1987 Petroleum waxes and petrolatums—Determination of trace sulfur—Microcoulometric method

Publish Date: 1987-07-03

GB/T 8026-1987 Replaced

GB/T 8026-1987 Petroleum waxes and petrolatums—Determination of drop melting point

Publish Date: 1987-07-03