LONDON (Feb. 25)—RubberNet (Asia) Pte. Ltd. and Goodpack Ltd. have joined the International Rubber Study Group's Panel of Associates. An international dealer in natural rubber, RubberNet is a partnership between Itochu Corp. Ltd. of Japan and Southland Rubber Co. Ltd., a Thai NR processor/exporter. Thaitech Rubber Corp. Ltd. of Thailand, an Itochu and Southland Rubber venture, is the third shareholder of Rubber Net. The firm has the capacity to supply 600,000 metric tons of NR a year. Goodpack is the developer of the patented Goodpack Intermediate Bulk Container. Used in various industries including the rubber, chemical and food markets, the returnable, nestable and space-saving containers are economic and environmentally friendly, the firm said.