WJ/T 9066-2018 Active Industry standards-Civilian products of the military industry

WJ/T 9066-2018 WJ/T 9066-2018 Coal Mine Permissible Gas Extraction Water-rubber Drug Pillars

Publish Date: 2018-05-08 Implement Date: 2018-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: WJ/T 9066-2018

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Explosive products

ICS Name: Explosives, fireworks

Publish Date: 2018-05-08

Implement Date: 2018-09-01

Scope

This standard applies to coal mine-approved gas extraction water-gel explosive columns used for deep-hole pre-split blasting, where the maximum charging length in the mine is not more than 80 m, the plugging length is not less than 10 m, and the outer diameter is not more than 80 mm.