1. Presentation for project in Israel Sauereisen Product Recommendation: No. 54SG Acidproof Concrete – Structural Grade

2. Sauereisen Headquartered in Pittsburgh, PA - USA ___________________________________________________ Founded in 1899 Dedicated to Engineered Solutions based upon: Inorganic technology Organic technology Operations in all 50 states, Canada, Latin America, Asia, Europe and the Middle East Licensed Manufacturing in key locations worldwide Privately Owned and Operated

3. H 2 SO 4 - 98% HCl – 40% ___________________________________________________ No. 54SG Acidproof Concrete – Structural Grade

4. CHARACTERISTICS Resistant to most solvents, oils, acids and acid salts (except hydrofluoric) over a pH range of 0.0 to 7.0 Maximum service temperature of 1400 o F (760 o C). Potassium silicate bonded. Fast chemical set - less down time.

5. No. 54SG Acidproof Concrete – Structural Grade PHYSICAL PROPERTIES Application time Working time at 70 o F 40 minutes Initial set at 70 o F 5 hours Mix ratio (Powder to Liquid, by Weight) 6.5 to 1 Density (ASTM C-905) 44 pcf (2.306 gm/cm 3 ) Coefficient of thermal expansion, 73 o to 500 o F (23 o to 260 o C) 5.6 x 10-6 in/in/Fo (10.1 x 10-6 cm/cm/Co) Compressive strength (ASTM C-579) 24 hours 2,000 psi (140.6 kg/cm2) 7 days 3,500 psi (246.1 kg/cm2) Flexural strength (ASTM C-580) 1,000 psi (70.3 kg/cm 2 ) Maximum service temperature 1400 o F (760oC) Modulus of elasticity (ASTM C-580) 1.97 x 106 psi (1.4 x 105 kg/cm 2 ) Moisture absorption (ASTM C-413) 2.97% Shrinkage (ASTM C-531) 0.2% Slump 8 inches Tensile strength (ASTM C-307) 550 psi (38.7 kg/cm2)

10. References

11. PROVEN PRODUCTS TECHNICAL SERVICES RESEARCH EXPERIENCE