Hercules Introduces New Culminal® Product Line for Construction

Culminal® S Cellulose Ethers – Superior Performance

WILMINGTON, Del.--(BUSINESS WIRE)--Hercules Incorporated (NYSE:HPC) today announced that the Aqualon business unit is introducing Culminal® S cellulose ethers as a result of technological developments based on unique methylcellulose chemistry. This chemistry offers new superior performance to the construction market. Compared to other cellulose ethers, the Culminal S line of products offer:

* Faster cement setting due to extremely low retardation effect;
* Improved strength development;
* Smooth dispersion in gypsum machine plaster reducing lumps and improving workability; and
* High mortar stability giving constant properties over the entire working life.

Culminal S cellulose ethers for various grades of tile cement and gypsum machine plaster are available now, or will be commercialized by the end of the year. New Culminal S products tailored to specific end uses and customer requirements are planned as additions to this product line.
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