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Hardness

Hardness of Adhesive, Sealant and Coating FormulationsMaster Bond formulations are available in a wide range of hardnesses. Compounds are designed to optimize performance and productivity.

The chart below offers an overview of the hardness range (Shore A and Shore D) available in our vast product line:

 
 
 
 
 

Hardness of Master Bond Product Line
Product Range of Hardness (Shore A/Shore D)
Silicones 30-55 A
Polyurethanes 80-95 A
Polysulfides 35-40 D
Epoxies: Flexible 35-60 D
Epoxies: Rigid 70-90 D
Common Hardnesses for Comparison
Material Hardness (Shore A/Shore D)
Rubber band 30 A
Car tire tread 60 A
Golf ball 60 D
Bone 100 D

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