How to choose air hose reinforcement type, couplings, and routing for pneumatic rock drills and jack hammers — cord braided vs steel wire, Chicago couplings, and field inspection criteria.
2026-09-01
G7 pneumatic pick hammer (formerly TCA-7) full specifications — impact energy, air consumption, tool shank size, and safe operating pressure — plus applications in coal mining, trenching, and concrete breaking.
2026-08-29
TY24C, Y24, and Y26 hand-held rock drills compared by cylinder diameter, air consumption, wet/dry drilling capability, and rock hardness range — factory-direct specs from EXPANDAG.
2026-08-28
How much HSCA or expansive mortar you need depends on rock hardness, hole diameter, and hole spacing — not a single fixed number. A practical estimation guide with reference ranges by rock type.
2026-08-26
A practical import guide for HSCA / soundless cracking agent buyers — HS code 3824999999, standard container shipping, MSDS documentation, and Incoterms options (FOB, CIF, EXW) from a factory-direct Chinese manufacturer···
2026-08-22
HSCA has a 12-month sealed shelf life under proper storage. Learn how moisture degrades expansion pressure, how to store 20kg cartons correctly, and how to test an aging batch before use.
2026-08-18