GBC is the leading producer of dodecenyl succinic anyhydride (DDSA) or commonly known as tetrapropenylsuccinic anhydride (TPSA). DDSA is unique among the liquid anhydride hardeners. DDSA enhances the flexibility to the epoxy compound. Mechanical and electrical properties of the cured formulation are superior to epoxy cured with di-amines or polyamides. We also offer blends of various hardeners, which can be tailored to meet your various hardener requirements. DDSA is used in the offshore buoying market, electronics, lubricants and marine industries. We offer product in containers as large as railcars and as small as five-gallon pails

Mr. John Nowlan, CEO
2925 Briarpark, Suite 200
Houston, Texas 77042
Office Phone: 713-783-7081
Fax: 713-783-2479
e-mail: jnowlan@gulfbayport.com
Mr. Dana Gibbs, President
2925 Briarpark, Suite 200
Houston, Texas 77042
Office Phone:713-783-7081
Fax: 713-783-2479
e-mail: dgibbs@gulfbayport.com
Mr. Ryan Francis, Sales Manager
2925 Briarpark, Suite 200
Houston, Texas 77042
Office Phone: 713-783-7081
Fax: 713-783-2479
e-mail: rfrancis@gciusa.com
Mrs. Carol Goss, Customer Service Manager
9700 Bayport Boulevard
Pasadena, Texas 77507
Main Office Phone: 281-291-2300
Direct Number: 281-291-2308
Fax: 281-291-2315
e-mail: cgoss@gulfbayport.com