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Rock wool has long been a popular media for growing hydroponic fruits, vegetables and herbs. However, I’m going to make the case against rockwool and argue why you should never use rockwool again because rockwool is harmful.

Ceramic fibers

Ceramic fiber was designed and developed for applications in which the composite matrix/resin temperature can go, for example, as high as 1000°C in a corrosive and oxidizing environment.

The ceramic fibers are made from precursor fibers or a very thin tungsten-core wire. Materials like boron and silicon carbide vapors are deposited onto a red-hot precursor moving very slowly. Some of the ceramic fibers are large-diameter monofilaments.

Bio-soluble fiber paper SUNTHERM HB （Bio-soluble） Fiber Paper

is a new develop at the basic of the traditional ceramic fiber, the main components is MgO, CaO, and contains a small amount of organic binder, with integrated fire resistance, heat separation and thermal insulation functions, can be used at higher temperatures filed, bio-soluble fiber can replace part of the traditional ceramic fiber, the use of temperature can reach 1050C, and have excellent eco-friendly performance.

Applications

What is Ceramic Fiber Bulk?

Ceramic Fiber Bulk is a high temperature refractory insulation material manufactured from high purity alumina and silica raw materials on computer-controlled furnaces to provide consistent fiber properties. Fibers are lightweight, chemically inert, and have all the positive characteristics of ceramic fiber. Bulk insulation is the perfect solution for insulating intricate spaces, parts, or shape forming for various commercial and industrial applications. Our office currently stocks “spun” ceramic fiber bulk rated for temperatures up to 2300o F and 2600o F. If a different temperature rating or grade is needed, please contact our office directly for a custom quote.