Micava 496 High Crosslinked Polymer/Flake Composite

Micava 496 High Crosslinked Polymer/Flake Composite is a self-levelling two-component phenlic epoxy vinyl ester resin composite which filled of flake materials. Micava 496 has excellent wetting properties, can be adhered to metals, concrete, ceramic, and glass-lined. Micava 496 also has properties of strong anti-chemical corrosion, anti organic and inorganic acid, and excellent resistance to most organic solvents.


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Applications:
Protect and repair

  • GRP (Pipes, tanks, drugs trough, chimneys, and scrubbers, etc.)
  • Anti-corrosion FRP lining (Fans, drugs trough, chimneys, and ventilation tube, etc.)
  • Coating (Flue gas desulfurization equipment, offshore structures, chemical tanks, chimneys, and ventilation tube, etc.)
  • Concrete tank lining (Factory pits, cell pools, cesspools tanks, etc.)
  • Crude oil tanks, heavy oil tanks, refined oil tanks, aromatic hydrocarbon solvents tanks, and vessel wall protection

Technical Data:
Operating temperature: 280℃ (Dry) 180℃ (Wet)
Hardness shore D (ASTM D-2240): 90
Tensile strength (ASTM D-638): 300 kg/ cm²
Compressive strength (ASTM D-695): 800kg/ cm²
Adhesive Strength (ASTM D1002): 150 kg/ cm²

Chemical Resistance Data:
50% Sodium hydroxide : G
Saturated sodium chloride : E
40% Hydrofluoric acid: E
Deionized water : E
80% Sulfuric acid : E
98% Sulfuric acid : NR
37% Hydrochloric acid : E
70% Phosphoric acid : E
70% Acetic acid : G
Benzene : E
Acetone : E
Chloroform : NR
*Notes: Samples cured 7 days before the test, the test time is 5 days
E = Excellent (Can be long-term immersed)
G = Good (Can be occasionally sprinkled, but need to remove)
NR = Not Recommend (Cannot be adhered to, material will be damaged)

Application Instructions:

  • Surface Treatment:
    Sandblasting the steel surface with chlorine-free abrasive. For external application, the surface should reach SSPC SP-10 standard, close to the white metal treatment standard. After sandblasting the surface, repair surface as soon as possible to prevent surface oxidation, then repair the damaged area properly.
  • Mixed:
    Resin :hardener mixed rate is 100:0.5~2 by weight. When the operating temperature is higher than 28℃, the recommended resin : hardener mixed rate is 100:0.5-1%. When the operating temperature is below 28℃, the recommended resin : hardener mixed rate is 100:1.5-2%. When the operating temperature is higher than 15℃, user can add hardener according to the size of the device and operating requirements.
  • Dilution:
    Do not dilute.
  • Application tools:
    Stir the resin first, then mix with the hardener well (about 3 minutes). Use a trowel or other tool to flatten brushing.
  • Application temperature:
    Material temperature: Keep at 55-95℉ (13-35℃)
    Substrate temperature: Keep at 45-105℉(7-40℃)
    The temperature difference between the substrate and the coating must not exceed 10℉(5℃)
  • Re-coating/curing time:
    Recoating in the time when material were still soft, within two hours, at 77ºF (25ºC). If the recoating time has been exceeded, polish the surface with sandpaper, grinding, or blasting.
  • Cleaning:
    Wash with methyl ethyl ketone or similar products.