Carbon felt, rockwool, ceramic wool: which padding for kojin-style

I love DIY alcohol stoves, and in this period I appreciate the simplicity and practicality of open-flame kojin-style and starlite-style alcohol stoves. I'm building some of them, but I'd like

🔥Package Included: You will receive two pieces of quality ceramic wool, each measuring 12 x 8 inches and 1 inch thick, perfect for use in your home

2Pack Premium Ceramic Wool for Portable Tabletop Firepit to Extend Burn Time - Ceramic Wool Wick Sponge Ceramic Fiber Insulation for Bioethanol

New alcohol stove, I combined a Starlyte and Kojin. : r/Ultralight

Lynn Manufacturing Kaowool Ceramic Fiber Insulation, 1/4 Thick x 16 x 48, 2400F Fireproof Insulation Blanket, 3003E : Home & Kitchen

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CE Certificate Non-Combustible Customized Ceramic Fiber Mineral Rock Wool Rockwool Multiple Blanket in China - China Rock Wool Blanket, Rock Wool Roll

Lynn Manufacturing Kaowool Ceramic Fiber Insulation, 1 Thick x 12 x 24, 2400F Fireproof Insulation Blanket, 3023E : Tools & Home Improvement

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ROCKWOOL® Mineral Wool

Lynn Manufacturing Kaowool Ceramic Fiber Insulation, 1/2 Thick x 16 x 150, 2400F Fireproof Insulation Blanket, 3017E : Everything Else

New alcohol stove, I combined a Starlyte and Kojin. : r/Ultralight

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Ceramic Fiber Moldable (2300ºF Air-Setting Ceramic Fiber Moldable Putty) - Foundry Service & Supplies, Inc.