A formulator of silicone materials for the health care, aerospace, electronics and photonics industries, NuSil Technology of Carpinteria, Calif., has added four representatives in Asia to support its Lightspan photonics and low-outgassing electronics materials. Many of its customers in the electronics and optoelectronics markets have operations in the region. The agents are K. Omaha of Kawasaki City, Japan, QTem Corp. of Seoul, South Korea, Fitek Industrial Corp. of Kaohsiung, Taiwan, and WCN Technologies Sdn. Bhd. of Penang, Malaysia.