Blog
At LD Davis, we pride ourselves on being an educational resource for our customers, our prospects and the community. Our blog is a helpful learning tool for those wanting to know more about glue best practices, news in the industry and simple answers to common glue questions. Hear it straight from the experts in every post.

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Willis Lecorchick, Applications & Formulations Chemist

Recent Posts

Lab Testing Of Glue Raw Materials: Dirt Tests

Gelatin is the key raw material used in our protein cake glues (animal glue) and we receive this raw material from several different suppliers.   To ensure all gelatin meets our quality control standards, there are a number of tests performed when we receive it in our plant.  This assures the cake glues provided to our customers are consistent in quality. 

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Lab Testing of Protein Glue (Animal Glue) Cakes

Before any protein glues (animal glue) leave our manufacturing facility, a lot of technical work is done behind the scenes. Not only do we test each and every raw material used in the manufacturing process, but we test the glues after they are in cake form and ready for use. 

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Substrate Tests in Our Lab

Our on-site research and development lab, located in Monroe, North Carolina, is dedicated to designing innovative and custom glue products. 

Often times, prospects and customers reach out to us for help with formulating a glue for a difficult or custom application. For projects like this, our technical team will test sample substrates in our facility. 

What happens with the substrates once they arrive in our lab? 

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Lab Testing of Glue Raw Materials: Jelly Strength Tests

Our protein glue products are based on gelatin protein which is derived from the hydrolysis of collagen. Collagen is a protein ingredient of animal hide, tissue and bone. We source our gelatin in the form of soft gel netting which is recycled from pharmaceutical companies.

Protein glue is composed of polyamides of alpha-amino acids. The solubility of protein glues in water is due in large part to the fact that five of the major constituent amino acids present in glue possess high water solubility. Protein glues are insoluble in oils, waxes, organic solvents and absolute alcohol. They may be emulsified in water-oil or oil-water systems.

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