"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