Calcium silicate used as an anticaking agent in food preparation, including table salt and as an antacid. It is approved by the United Nations' FAO and WHO bodies as a safe food additive in a large variety of products. It has the E number reference E552. Calcium silicate is commonly used as a safe alternative to asbestos for high-temperature insulation materials. Industrial-grade piping and equipment insulation is often fabricated from calcium silicate. Its fabrication is a routine part of the curriculum for insulation apprentices. Calcium silicate competes in these realms against rockwool and proprietary insulation solids, such as perlite mixture and vermiculite
Wool insulation be harmless and is used in feed and animals to stave off parasites. DE has the drawback of having to be applied in two steps to be effective and the wool having to be installed loose. Some companies use Thorlan IW (Kaliumfluorotitanat), which repels moths. It is a titanium based treatment which remains with the fiber during its entire period of use. Thorlan IW is in the European Union chemical law register of certified products. A rubber solution is applied hot and allows a coating of Thorlan to stay with the product for its lifetime. Wool insulation Wool insulation is