{"id":10416,"date":"2025-01-30T11:15:47","date_gmt":"2025-01-30T10:15:47","guid":{"rendered":"https:\/\/ingritech.pl\/product\/elektrokorund-zwykly-brown-aluminium-oxide-bfa\/"},"modified":"2026-02-12T11:33:47","modified_gmt":"2026-02-12T10:33:47","slug":"elektrokorund-zwykly-brown-aluminium-oxide-bfa","status":"publish","type":"product","link":"https:\/\/ingritech.pl\/en\/product\/elektrokorund-zwykly-brown-aluminium-oxide-bfa\/","title":{"rendered":"Brown Fused Alumina (BFA)"},"content":{"rendered":"

Brown Fused Alumina (BFA)<\/strong><\/p>\n

Brown fused alumina is a durable and wear-resistant abrasive material produced by fusing bauxite in electric arc furnaces. With a high hardness rating (9 on the Mohs scale) and excellent wear resistance, it is ideal for processing metals, glass, ceramics, and other hard materials.<\/p>\n

Key Advantages:<\/strong><\/p>\n

\u25ef High hardness and wear resistance \u2013 ensures effective grinding and surface cleaning.
\n\u25ef Stable chemical composition \u2013 safe to use, free of harmful contaminants.
\n\u25ef Low dust generation \u2013 maintains a clean working environment.
\n\u25ef Versatile applications \u2013 suitable for various mechanical processes.
\n\u25ef High temperature resistance \u2013 melting point approx. 2200\u00b0C.<\/p>\n

Physical and Chemical Properties of Brown Fused Alumina (BFA):<\/strong><\/p>\n

\u25ef Shape: Solid, angular particles
\n\u25ef Color: Brown
\n\u25ef Odor: Odorless
\n\u25ef Water Solubility: Insoluble
\n\u25ef Hardness: 9.0 (Mohs scale)
\n\u25ef Microhardness: 1800\u20132400 kgf\/mm\u00b2
\n\u25ef Bulk Density: ~4 g\/cm\u00b3
\n\u25ef Specific Gravity: ~4.6 g\/cm\u00b3
\n\u25ef Melting Point: ~3722\u00b0F | 2050\u00b0C
\n\u25ef Elastic Modulus: 7.6 \u00d7 10\u00b9\u00b9 N\/m\u00b2<\/p>\n

Chemical Composition:<\/strong>
\nAl\u2082O\u2083 \u2013 88.0\u201399.0%
\nFe\u2082O\u2083 \u2013 2.0\u20133.0%
\nTiO\u2082 \u2013 3.0\u20135.0%
\nSiO\u2082 \u2013 2.0\u20133.0%
\nCaO \u2013 0.6\u20130.8%
\nMgO \u2013 0.3\u20130.5%
\nC \u2013 0.3\u20130.4%<\/p>\n

FEPA (F) Grain Sizes:<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
FEPA (F)<\/th>\nMesh \u2116<\/th>\nSize (mm)<\/th>\n<\/tr>\n<\/thead>\n
F24<\/td>\n20\u201340<\/td>\n0.60\u20130.85<\/td>\n<\/tr>\n
F36<\/td>\n30\u201350<\/td>\n0.425\u20130.60<\/td>\n<\/tr>\n
F46<\/td>\n36\u201354<\/td>\n0.30\u20130.425<\/td>\n<\/tr>\n
F60<\/td>\n45\u201360<\/td>\n0.212\u20130.30<\/td>\n<\/tr>\n
F80<\/td>\n54\u201370<\/td>\n0.18\u20130.212<\/td>\n<\/tr>\n
F100<\/td>\n70\u2013100<\/td>\n0.15\u20130.18<\/td>\n<\/tr>\n
F120<\/td>\n80\u2013120<\/td>\n0.125\u20130.15<\/td>\n<\/tr>\n
F150<\/td>\n100\u2013140<\/td>\n0.106\u20130.125<\/td>\n<\/tr>\n
F180<\/td>\n120\u2013140<\/td>\n0.09\u20130.106<\/td>\n<\/tr>\n
F220<\/td>\n140\u2013170<\/td>\n0.063\u20130.09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"