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| | A two-component (A & B) epoxy. | | |
| | A general purpose epoxy, used to protect almost all kinds of substrates to give a tough, hard, and highly adherent coat that is highly resistant to corrosion, abrasion, weathering, water, and chemicals. | | |
| • Excellent adhesion to almost all kinds of substrates.
• Does not require any primer or topcoat..
• High abrasion, wear and impact resistance.
• Good corrosion and weathering resistance.
• Excellent resistance to water, sea water, waste water, salt solutions, alkalis, detergents, white spirits, aliphatics, mineral oils, and fatty oils (A separate leaflet CHR01 is available).
• Can be topcoated with a wide range of finishing coats (epoxy, urethane, alkyd, latex).
• Temperature resistance up to 120°C (non immersion service).
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| | • Method of Application : | Airless or conventional spray, brush or roller. | | • Mixing Ratio : | by volume) 4 to 1 (A to B). | | • Mixing : | The individual components should be thoroughly stirred before the two are mixed together. Combine components (A & B) in supplied proportions and mix thoroughly using a slow speed mixer for at least 3 minutes to achieve uniform consistency; “DO NOT USE HIGH SPEED MIXER”. Never mix more material than can be used within potlife. Material that has begun to set must be discarded. | | • Pot life : | (20°C) 24 hours (higher temperatures will shorten the potlife sharply). | | • Thinner / Cleaner : | S405 “Known as Epoxsol” is uesd for thinning or cleaning. Mixing ratio with thinner depends mainly on temperature and on method of application. For example: At 20°C airless spray application will need no dilution. Conventional spray will need approx. 15% by volume thinner S405. The higher the temperature the less the needed dilution. Due to potlife limitions, clean all mixing and applying tools by thinner S405 immediately after application is completed . | | • Note : | • When recoating, a special attention should be given toward drying times “minimum & maximum recoating time”. Any delay in applying interval coats may request sanding the surface of the previous coat to insure good adhesion.
• The reaction between the epoxy and its curing agent (A & B) can not be guaranteed unless a temperature of at least 10°C is maintained for the mixture and the substrate until complete curing. Temperature of substrate should be at least 3°C above dew point to avoid moisture condensation during application.
• Coated surface by EPX12 should not be exposed to water, chemicals, or mechanical stresses before it is fully cured.
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| | • Color : | Available in major industrial colors using color mixing instrument Azmix. | | • Gloss : | Semi-gloss (ASTM-D523). | | • Volume Solids : | 56.1 % (ASTM-D2697). | | • Flexibility : | Good. | | • Recommended film thickness : | 50-100 microns “dry”. | | • Theoretical spreading rate : | 11.2 m²/L at 50 microns "dry". | | • Specific gravity : | | | • Water resistance : | Excellent. | | • Abrasian Resistance : | Excellent. | | • Chemical Resistance : | Good (A separate leaflet CHR01 is available). | | • Solvent Resistance : | Fair (A separate leaflet CHR01 is available). | | • Number of Coats : | 1-2. | | • Specific Gravity (mixed) : | 1.40 kg/L (ASTM-D1475). | | • Packaging : | Component A “base” : 3.6 L in metal can or 14.4 L in metal drum.
Component B “drier: CAT10” : 0.9 or 3.6 L in metal can.
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| Well-prepared-surface is an essential condition of coating success. In general, surface must be clean, dry, undamaged and free of all contaminants prior to coating.
STEEL :
Remove all oil, grease, wax…etc. from the surface to be coated by thinner S405 or S100 (recommended for removing oily dirt on non-porous substrates).
Preferably, blast to Sa2½ in accordance with ISO8501-1 and achieve a 50 µm profile. Remove all abrasive residues and dust from surface. Apply EPX12 immediately after surface preparation to prevent any contamination. Do not leave blasted steel uncoated overnight. A thin coat of wash primer “WP” is highly recommended if treatment with EPX12 is not taking action immediately after blasting.
CONCRETE:
Old concrete: Remove fins and other protrusions by stoning, sanding or grinding. Abrasive blasting is best to remove all previous coatings, form oils, laitance and other foreign matter. Fill small holes or voids with STOP200 before applying EPX12.
New concrete:
a- EPX27 primer is used after 6 to 24 hours of concrete application.
b- EPX17 primer is applied when concrete is cured for at least 14 days at 21?C and 70% RH.
c- EPX12 is applied directly when concrete is cured at least 28 days at 21°C and 50% RH.
Note: The primer should be left to achieve a dry to touch condition before applying EPX12. A second coat of primer may be required if the substrate is excessively porous. Be sure primer is clean, dry, and free of oil, grease and any other contaminants when EPX12 is applied.
WOOD: Remove all coatings from the substrate by rough sanding with sand paper prior to applying EPX12.
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| | • Dry to Touch : | 30 minutes (ASTM-D1640). | | • Dry to Handle : | 8 hours “minimum recoat time”, 24 hours “maximum recoat time” (ASTM-D1640). | | • Fully Cured : | 7 days. | | • Note : | Drying times can be affected by many factors such as temperature, ventilation and coat thickness. Higher temperatures will shorten the drying times. |
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| • Epoxy system, in general, especially component B, has to be kept in a cool and well ventilated place, protected from heat and direct sunlight. EPX12 is classified as being highly flammable materials.
• Shelf life is two years from packing date in unopened original containers at 10 to 40°C. Containers should be kept tightly closed.
Safety:
• Well ventilated conditions should be provided during application.
• Do not breathe or inhale mist.
• Wear air-mask and avoid skin or eye contact.
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information in this data sheet and in all our data sheets are given to the best
of our knowledge based on laboratory testing and practical experience. Final results
depend on following instructions and on consumer skill. Our responsibility is limited
to providing products that Conform to samples and specimens provided by us. Due
to technical needs, we reserve the right to change any given specification without
notice.
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