Activated carbon, explained
Guides from our technical team: how to choose a grade, what the specifications mean, and how carbon is used in water, oils, sugar, pharma, gold and gas.
Technical · 3 min read
Activated carbon mesh sizes: 4×8, 8×30, 12×40 and -325 explained
What mesh numbers mean on activated carbon, how particle size affects adsorption speed and pressure drop, and which size suits which application.
31 October 2026
Technical · 3 min read
Activated carbon specifications explained
Iodine number, methylene blue, CTC, hardness, ash, moisture, pH, bulk density and particle size: what each activated carbon test measures and when it matters.
Technical · 2 min read
Lab tests for activated carbon: ASTM, JIS and BIS methods
Standard activated carbon tests for iodine number, methylene blue, hardness, ash, moisture, density, pH and particle size, and how to compare lab results.
Technical · 2 min read
Steam activation vs chemical activation of carbon
How steam (physical) and chemical activation make activated carbon, how they change pore structure, purity and pH, and which suits water, food and industry.