HydrEpoxy 300 PRODUCT DESCRIPTION   • A two component water based epoxy polyamide membrane/barrier coat. • Non-flammable & negligible odour • Convenient equal part mixing ratio • Approved for use with potable (drinking) water - conforms to Australian standard 4020(int) - 1992 • Surface tolerant - bonds to grease and oil contaminated substrates. INTENDED USES • As a low water vapour transmission membrane coating in the building and construction industries and as a barrier coating over freshly laid concrete. • As a waterproofing membrane to prevent water seepage or dampness penetration through to the interior of walls and floors. • As a waterproof barrier in basements, tunnels, liftwells, retaining walls, carparks. • As a waterproof membrane, curing membrane and barrier coating over freshly laid hardened (green) concrete either as an internal finish or prior to the application of conventional carpet & tile adhesives or conventional building paints. • As a waterproofing membrane barrier in tankage applications and seal coating over damp concrete surfaces either as an internal finish coating or prior to overcoating with other coatings. BENEFITS A highly tolerant membrane/barrier to prevent water seepage or permeation for floors, walls, water storage tanks or reservoirs and swimming pools. Safe to use in sensitive locations (eg. around food or habitable areas) and environmentally friendly. • Easy clean-up using water • Cured membrane will withstand 250 kPa hydrostatic pressure which is equivalent to a 25 metre head of water. • Can be applied to damp surfaces. • Can be safely applied to freshly laid hardened (green) concrete. • Can be tinted with "Universal" machine paint colourants. • Non-flammable, negligible odour and toxicity. • Has excellent adhesion to most substrates including brick, masonry, concrete block, concrete, compressed fibre board, stone and timber. PRODUCT INFORMATION Colour Off-White or Grey Finish Semi-Gloss going to Matt with aging Volume Solids 44 + - 2% Mixing Ratio 1:1(A:B) by volume Coverage Must be applied at a maximum overall coverage rate of 1.5 square meters per litre (ie. Theoretical dry film thickness 300 m*) to achieve an effective waterproof membrane. Two coats or more are recommended to achieve uniform coverage. Recoat Time 2 hours @ 25°C / 50% R.H. Full Cure 7 days @ 25°C / 50% R.H. Permeance .043 x 10-6g / Pa.s.m2 at 300 m (ASTM E96-94 : Sect 12 (Water Method) Pot Life 2 hours @ 25°C 1 hour @ 35°C * 300ym represents the theoretical dry film thickness achieved when the product is applied at 1.5 square metres / litre and makes no allowance for wastage. The apparent dry film thickness will also be reduced depending on the porosity of the substrate, however, the product absorbed by the substrate forms part of the waterproofing function. SURFACE PREPARATION All surfaces to be treated must be structurally sound and all previous coatings, adhesives, efflorescence or laitance should be removed by chipping, abrasive blast cleaning, high pressure water washing, mechanical scrubbing or other suitable means. All surfaces must be cleaned free from dirt, grease, oil or other surface contaminants. Holes, non-structural cracks or other surface deformities should be primed with HydrEpoxy 300 thinned with water and filled with a mortar prepared from 1 part cement, 2 parts sand and 1 part HydrEpoxy 300 and allowed to cure for 2-3 hours @ 25°C (Note: Pot life is reduced when mixed with cement.) Very dry and highly porous surfaces should be sprayed with a fine mist of water prior to application of the HydrEpoxy 300. APPLICATION Each component should be individually mixed to form homogeneous components. Thoroughly mix the two components in the ratio of 1:1 by volume, preferably using a power stirrer, until a homogeneous mix is obtained. Only mix as much as may be used within the pot life of the product and avoid excessive aeration during mixing. Spread the material using a squeegee or stiff nylon broom to achieve coverage and finish using a long nap roller. Roller or spray application is also acceptable provided uniform thickness coverage is obtained. Care must be taken to work the material into the surface to fill voids and avoid pinholing. A minimum of two coats is recommended and care should be taken to ensure to uniformly apply the material at the required coverage rates. Allow to cure for a minimum of 24 hours @ 25°C/50%R.H. before applying adhesives, mortars, decorative coatings or other surface treatments. Extreme care is necessary to ensure the waterproof membrane coating is not damaged in any way during subsequent treatments. CLEANING & THINNING The first coat of HydrEpoxy 300 should be thinned with water, as required depending on the porosity of the surface to be coated (up to 20% for dense surface finishes to 5% for more porous surfaces) to ensure optimum penetration. Thinning of the second coat should be avoided. Wash all equipment in water or water/detergent immediately on completion of work since HydrEpoxy 300 will cure underwater if equipment is left. NOTES & LIMITATIONS (1) Do not apply if the surface temperature is near 10° C and falling, above 35° C or above 85% relative humidity (2) In enclosed areas, such as tank or reservoir internals, ventilation should be provided during curing cycle to enable adequate evaporation of the water. (3) Care should be taken when sandwiching adhesives between the very low water vapour transmission rate HydrEpoxy 300 and floor coverings to ensure the water vapour transmission of the covering is sufficient to allow the escape of any solvents (4) HydrEpoxy 300 is NOT classified as a trafficable membrane SAFETY UN Number: N/A - non-flammable and non-explosive. Class: NonDG No toxic, irritating or flammable vapour when used according to the instructions May be irritating and cause sensitisation by skin contact and be irritating to the eyes on contact. Wear suitable gloves and eye/face protection during mixing and application, avoid contact with skin and eyes and in the event of skin contact wash immediately with soap and water. Refer to the material safety data sheet for further information Disclaimer - The information and suggestions for product use and applications presented herein are not intended to be exhaustive, but do represent the best information we have available and are believed to be accurate. No warranty of performance, however, is expressed nor implied. The information contained in this Product Data Sheet may be varied from time to time and it is the user's responsibility to check that this sheet is current prior to using the product. Contact Form | Home 25 Beach Street, Wollongong NSW 2500 Phone: 02 4225 9199 Fax: 02 4225 9077 Web Site by PerreLink Design © April, 2003