... proof, high heat insulation Fiber diameter (um):3-5 Aluminum Silicate Felt Aluminum silicate blanket/felt/rollItem No.: GQ-ASFIntroductionAluminum silicate, ... also known as ceramic fiber, is a mixture of aluminum, silica, and oxygen that can be either a mineral, ... with water to form a clay.Production TechniqueThe common aluminum silicate blanket is manufactured with flint clay as main ...