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| | EPX02 is a two-component (A & B) epoxy primer. | | |
| | A general purpose epoxy primer used as a barrier primer on dry concrete surfaces, also suitable to be used as a primer on metal surfaces and in automotive coating systems. Typical uses are in household and industrial structures, chemical plants, power plants and oil production plants. Also used as an intermediate over EPX01 or EPX01-40 in all places where outstanding protection against corrosion is required such as marine steel superstructures (non immersion service). | | |
| • Excellent adhesion.
• Good corrosion resistance.
• Excellent barrier properties.
• Suitable for a variety of substrates.
• Can be coated with a wide range of topcoats (epoxy, urethane, alkyd, latex).
• With suitable topcoat, EPX02 Gray can be used for immersion or non-immersion service.
• Resists continuos temperature service up to 140°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 25% by volume thinner S405. Other methods of application will need approx 15% by volume thinner S405. The higher the temperature the less the needed dilution. Due to potlife limitations, 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 surfaces by EPX02 Gray should not be exposed to water, chemicals, or mechanical stresses before it is fully cured.
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| | • Component B : | | | • Color : | Gray | | • Gloss : | flat (ASTM-D-D523) | | • Volume Solids : | 58.9 % (ASTM-D2697) | | • Flexibility : | Good | | • Recommended film thickness : | 50-100 microns “dry” | | • Theoretical spreading rate : | 11.8 m²/L at 50 microns "dry" | | • 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) : | 1.408 kg/L (ASTM-D1475) | | • Packaging : | Component A “base” : 3.6 or 0.9 L in metal can
Component B “drier:CAT10” : 0.9 or 0.225 L in metal can
| | • Weather Resistance : | Excellent |
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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. Preferably, blast to Sa2½ in accordance with ISO8501-1 and achieve a 50 µm profile. Remove all abrasive residues and dust from surface. Apply EPX02 Gray 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 EPX02 Gray is not taking action immediately after blasting.
DRY CONCRETE :
Remove fins and other protrusions by stoning, sanding or grinding. Fill small holes or voids with STOP200 “refer to its technical leaflet” before applying EPX02 Gray. New concrete must be cured at least 28 days at 21°C and 50% RH, or equivalent time prior to applying EPX02 Gray.
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| | • Dry to Touch : | 1 hour (ASTM-D1640). | | • Dry to Handle : | 10 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. EPX02 Gray is classified as being highly flammable material.
• 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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