KAISER ALUMINUM <KLU> RAISES PRODUCT PRICES Kaiser Aluminum and Chemical Corp said it is increasing prices for a broad range of common alloy coil, flat sheet and plate products. The company said prices to distributors and direct customers on shipments of new orders placed March 4 and after will be increased by four to eight cts per lb. Kaiser said the increases are due to increased demand and the need to set prices relative to the cost of primary aluminum.