Concrete Mix DesignTesting services for your products and materialsHomeServicesTesting ServicesConcrete Mix DesignConcrete Mix DesignMix DesignsASTM C39 – Compressive Strength of Cylindrical Concrete SpecimensASTM C78 – Flexural Strength of Concrete (Using Simple Beam with Third-Point Loading)ASTM C138 – Density (Unit Weight), Yield, and Air Content (Gravimetric) of ConcreteASTM C232 – Bleeding of ConcreteComplete Listing Need more info? Please submit the following form. We will contact you within one business day. How did you hear about us? Please select an option from the listSearch EngineOnline AdsClient RelationshipReferralOther