May 06, 2010 
Tonsan 1523 has been formulated in cooperation with several of the world’s largest thin film module manufacturers, and exhibits significantly superior electrical and mechanical performance, as well as unparalleled weather resistance.
Tonsan, Asia’s leading manufacturer of photovoltaic sealants and potting compounds, has assembled a world-class research and development team. Combined with a state-of-the-art manufacturing facility and ISO 9001 and ISO 14000 certifications, Tonsan is able to offer some of the most advanced and cost-effective solutions in the industry. With more than 15 years experience in the photovoltaic manufacturing industry, Tonsan is committed to both technology and market leadership.
Christopher Associates is one of North America’s leading engineering services and materials companies with over 30 years experience, and has applications and product support engineering teams in both North America and Europe to service the electronics and photovoltaic industries.
