내화학성 바닥재 시공
내화학성 바닥재 시공
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항목 OVERKRETE OVERKOTE OVERKOTE PLUS
Compressive Strength
ASTM C-579(압축강도)		 11,800psi
(=830kg/cm2)		 14,000psi
(=984kg/cm2)		 15,200si
(=1,069kg/cm2)
Flexural Strength
ASTM D-700(신축강도)		 4,500psi
(=316kg/cm2)		 6,550psi
(=461kg/cm2)		 6,400psi
(=450kg/cm2)
Modulus of Elasticity ASTM C-580(탄성계수) 13.2 x 10^5 psi 20.9 x 10^5 psi 20.2 x 10^5 psi
Tensile Strength
ASTM C-307(인장강도)		 2,200psi
(=155kg/cm2)		 2,600psi
(=183kg/cm2)		 2,640psi
(=186kg/cm2)
Bond Strength to Concrete
ASTM D-4541(접착력)		 Exceeds tensile
Strength of concrete
(Concrete fails first)		 Exceeds tensile
Strength of concrete
(Concrete fails first)		 Exceeds tensile
Strength of concrete
(Concrete fails first)
Taber Abrasion
ASTM D 4060 CS 17 Wheels(마모성)		 Loss/1000cycles=22mg Loss/1000cycles=30mg Loss/1000cycles=26mg
Wate Absorption
ASTM D-413(수분흡수율)		 0.10% Maximum 0.10% Maximum 0.10% Maximum
Linear Shrinkage
ASTM C-531(수축율)		 0.24% Maximum 0.05% Maximum 0.08% Maximum
Linear Coefficient of Thermal
Expansion ASTM C-531
(열팽창계수)		 3.94 x 10-5 in/in/℉ 2.02 x 10-5 in/in/℉ 1.79 x 10-5 in/in/℉
Flammability
ASTM D-635(자소성)		 1.2 cm/min Self Extinguishing Self Extinguishing
Impact Resistance
MIL D-3134J(충격강도)		 Satisfactory per 3.15 Satisfactory per 3.15 Satisfactory per 3.15
Coeefficient of Friction
ASTM C-1028(후릭숀계수)		 0.77 (Unglazed) 0.6 Minimum 0.6 Minimum
Hardness, SHORE-D
ASTM D-2240(경도)		 88 85 85
Porosity with No Sealer Coat
NACE STAND TM-0174(기포성)		 0 0 0