– Natural barium carbonate (witherite)

Commodity Details Chapter 25.11 Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 28.16. Commodity 2511.20.00 – Natural barium carbonate (witherite) For Imports Regulating...

– Natural barium sulphate (barytes)

Commodity Details Chapter 25.11 Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 28.16. Commodity 2511.10.00 – Natural barium sulphate (barytes) For Imports Regulating Agencies...

Chalk.

Commodity Details Chapter 25.09 Commodity 2509.00.00 Chalk. For Imports Regulating Agencies BIR National Office Building, BIR Road, Diliman, Quezon City 89817000, 89297676, 89817419, 89817452, 89817478, 89817479 None contact_us@bir.gov.ph, jethro.sabariaga@bir.gov.ph,...

– Chamotte or dinas earths

Commodity Details Chapter 25.08 Other clays (not including expanded clays of heading 68.06), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths. Commodity 2508.70.00 – Chamotte or dinas earths For Imports Regulating...

– Mullite

Commodity Details Chapter 25.08 Other clays (not including expanded clays of heading 68.06), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths. Commodity 2508.60.00 – Mullite For Imports Regulating Agencies BIR...