*"Concrete Technologies Systems are resistant to freeze or thaw, fade, alkali, stains, heat, and salt. It is twice the strength of normal concrete and much easier to maintain."*

*Compressive Strength (ASTM C-109-73): PSI 28 days 5,715 PSI*

*Flexural Strength (ASTM C-348-72): PSI 28 days 1,585 PSI*

*Tensile Strength (ASTM C-190-72): PSI 28 days 615 PSI*

*Sheer Bond Strength 20 days 650 PSI*

*Abrasion Resistance (% weight loss): 28 days 18 in-lbs.*

*Chloride Ion Resistance: Ponding 3% Sodium Chl./60 days 100% at 1" depth.*

*Freeze/Thaw Resistance (ASTM C-291) Passes 60 Cycles*

*UV Resistance: No discoloration when exposed to ultraviolet*

*H2SO4 (Sulfuric Acid): 10% Solution: 5 minute immersion - Unaffected*

*NaOH (Sodium Hydroxide): 10% Solution: 5 minute immersion - Unaffected*

*Gasoline: 5 minute immersion - abrades slightly *

*Citric Acid: 10% Solution: 5 minute immersion - Unaffected*