SHIELD POWDER   A temporary rust inhibitor and light duty degreaser and cleaner for all ferrous metals for use by immersion or spray and allowed to dry or rinsed off with water. Highly economical solutions made from 3 grams per litre of water. Shields rust inhibition, cooling and detergent properties also make it an effective grinding fluid for ferrous metals. Available 15 kgs Price: £37.50 Prod.No: P022