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construction chemicals

MegaFilm İzo PU

MegaFilm İzo PU Polyurethane Based Ready To Use Primer, Used For Absorbent Surfaces PRODUCT DESCRIPTION Polyurethane based, transparent, pervasive, solvent based single component surface preparatory primer, used for absorbent surfaces. AREAS OF USE MegaFilm İzo PU is basically used as primer for such absorbent surfaces as concrete, cement plaster and wood, prior to the application of polyurethane based water materials and polyurethane joint filling. The product is also suitable for use on old and vulnerable concrete surfaces as surface reinforce. PRODUCT ADVANTAGES • Excellently binds to absorbent surfaces. • Free from any effects caused by surface movements thanks to its elasticity. • Provides chemical resistance against oil, grease, humidity, chemical and other liquid stains. • Water and frost resistant. • A ready to use product which is applied easily and rapidly. PERFORMANCE Water pressure resistance Leak free (1 m water column, 24 hours) DIN EN 1928 (Test A) Adhesion to concrete surface 2.2 ± 0.2 N/mm 2 (concrete defect) ASTM D 903 Hardness (shore A hardness) >95 ASTM D 2240 The foregoing values represent the results of the laboratory tests conducted at 23 ± 2°C temperature and 50% ± 5 relative humidity conditions. The values provided as per the table may vary depending on the surface and ambient conditions. APPLICATION PROCEDURE Application Surfaces Indoors and Outdoors Walls; - Cement based plaster - Concrete - Wooden Indoors and Outdoors Floors; - Cement based trowel coating - Concrete - Wooden Surface Preparation • The application surface should be dry, clean, sound and dust free, and should have been cleansed of oil, dirt or any materials that may prevent adhesion, and any such materials as mortar and cement residues should be scraped from the application surface. • The humidity content of the surface should be 5 % at maximum. • The fresh concrete surface should be let dry for minimum 28 days before application. • The surface, on which MegaFilm İzo PU is to be applied, should strictly not be washed with water. • The surface defects, which are deeper than 1 cm, should be repaired with MegaTamir Epo, MegaTamir EpoGrout or MegaTamir K 24 hours in advance. In the cases, where structural repair mortar should be used; MegaTamir K Yapısal should be preferred. Application Methods • MegaFilm İzo PU should be applied with a roller or brush homogenously to completely cover the surface. Use of airless spray may ensure an easier application experience in the case of large surface applications. • Once MegaFilm İzo PU is applied, Megaİzo PU 6, Megaİzo PU 7, Megaİzo Pu 15, Megaİzo PU 15 or Megaİzo PU Mastik should be applied within 2 to 3 hours (maximum 4 hours) while the product is still mildly adhesive. • MegaFilm İzo PU should be applied in double coats if the surface is extremely rough and vulnerable. • The secondary coat should be applied within 2 to 3 hours (maximum 4 hours) when the primary coat is observed to change into transparent from milk white in color. Application Recommendations • The product should, once mixed, be used before the expiration of its pot life. Any product, the pot life of which has expired, should not be used during the application. • MegaFilm İzo PU is a ready to use product. Any foreign material should not be added into the product during the application. • The product should not be applied on unsound surfaces. The soundness and the load bearing capacity of old surfaces should be checked prior to adhesion. • The surface should be preserved from air currents and water contact during and after the application. • The product should not be applied to such surfaces, which are exposed to risk of freezing within the next 24 hours, which are frozen or the frost of which is thawing. • Due care should be taken to ensure that the material is not exposed to direct sunlight in hot weather conditions. • The product should not be applied on extremely windy weather conditions or on hot surfaces, which are exposed to direct sunlight; and in the cases, where application is imperative under such conditions, the environment and the surface should be prepared for application in advance. • The product should not be applied in rainy weather conditions, and the application surface should be preserved from rain for a period of 12 hours. • Refer to our technical support hotline for recommendation on different surface applications. (PHONE: 444 4 595) Surface and Ambient Temperature The surface and ambient temperature should be between +5°C and +35°C whilst at application. Application Limits Dry to the touch Light use Firm use The foregoing values represent the results of the laboratory tests conducted at 23 ± 2°C temperature and 50% ± 5 relative humidity conditions. The values provided as per the table may vary depending on the surface and ambient conditions. APPLICATION INSTRUCTIONS Mixing Ratio MegaFilm İzo PU is a ready to use product. Mixing Equipment MegaFilm İzo PU is a ready to use product. Mixing Period MegaFilm İzo PU is a ready to use product. Application Equipment • Roller • Brush • Airless spray Equipment Cleaning The equipment used should be cleaned with cellulosic thinner following the application before the product dries. TECHNICAL PROPERTIES Chemical Structure: Polyurethane based, pre polymer, solvent based primer Color: Transparent CONSUMPTION Recommended consumption amount for single coat application on 1 m 2 surface is 0.15 - 0.20 kg. The said value may vary, depending on the surface and ambient conditions. PACKAGING MegaFilm İzo PU is delivered in net 17 kg tin buckets. 2 - 3 hours 12 hours 4 days SHELF LIFE The shelf life of the product is 9 months when stored within non tampered original packaging in dry (maximum relative humidity 60 %) and cool (ambient temperature between +5°C and +25°C) environment. STORAGE CONDITIONS The product should be stored within non tampered original packaging in dry (maximum relative humidity 60 %) and cool (ambient temperature between +5°C and +25°C) environment. It should not be exposed to direct sunlight. The container of the product should be closed firmly when not used. SAFETY PRECAUTIONS Please refer to the Safety Data Sheet (SDS) as appropriate for easy and safe application. 127

MegaFilm İzo Epo Epoxy Based, Double Component Surface Preparatory Primer, Used For Absorbent And Non-Absorbent Surfaces 128 PRODUCT DESCRIPTION Epoxy based, double component, transparent, pervasive, water based surface preparatory primer, used for absorbent and non-absorbent surfaces. AREAS OF USE MegaFilm İzo Epo is, basically used as primer for such non-absorbent surfaces as aluminum, steel, asphalt, glass and ceramic, prior to the application of polyurethane based water materials and polyurethane joint filling. Moreover, the product is suitable for use on concrete surfaces with humidity by up to 10 %. PRODUCT ADVANTAGES • Excellently binds to non-absorbent surfaces. • Applicable to moist surfaces without any loss of adherence. • Dilutable with water. • Water and frost resistant. • Prepared and applied easily. PERFORMANCE Adhesion to aluminum > 2.0 N/mm 2 ASTM D 903 Adhesion to moist concrete > 1.5 N/mm 2 ASTM D 903 Hardness (shore A hardness) > 95 ASTM D 2240 The foregoing values represent the results of the laboratory tests conducted at 23 ± 2°C temperature and 50% ± 5 relative humidity conditions. The values provided as per the table may vary depending on the surface and ambient conditions. APPLICATION PROCEDURE Application Surfaces Indoors and Outdoors Walls; - Ceramic - Glass - Aluminum - Steel - Bituminous Felt - Concrete Indoors and Outdoors Floors; - Ceramic - Glass - Asphalt - Aluminum - Steel - Bituminous Felt - Concrete Surface Preparation • The application surface should be dry, clean, sound and dust free, and should have been cleansed of oil, dirt or any materials that may prevent adhesion, and any such materials as mortar and cement residues should be scraped from the application surface. • The surface, on which MegaFilm İzo Epo is to be applied, should strictly not be washed with water. • The surface defects, which are deeper than 1 cm, should be repaired with MegaTamir Epo, MegaTamir EpoGrout or MegaTamir K 24 hours in advance. In the cases, where structural repair mortar should be used; MegaTamir K Yapısal should be preferred. Application Methods • MegaFilm İzo Epo should be applied with a roller or brush homogenously to completely cover the surface. • Once MegaFilm İzo Epo is applied, Megaİzo PU 6, Megaİzo PU 7, Megaİzo PU 10, Megaİzo PU 15 or Megaİzo PU Mastik should be applied within 8 - 12 hours (maximum 24 hours) while the product is still mildly adhesive. • MegaFilm İzo Epo should be applied in double coats if the surface is extremely rough and vulnerable. • The secondary coat should be applied within 8 to 12 hours (maximum 24 hours) when the primary coat is observed to change into transparent from milk white in color. Application Recommendations • The product should be kept homogenous by, where necessary, stirring it intermittently during the application. • The product should, once mixed, be used before the expiration of its pot life. Any product, the pot life of which has expired, should not be used during the application. Epoxy based products have limited pot lives; therefore, due consideration should be given to the fact that the pot life and dry times would shorten at high temperatures and lengthen at low temperatures. • Any foreign material should not be added into the product during the application. • The product should not be applied on unsound surfaces. The soundness and the load bearing capacity of old surfaces should be checked prior to adhesion. • The surface should be preserved from air currents and water contact during and after the application. • The product should not be applied to such surfaces, which are exposed to risk of freezing within the next 24 hours, which are frozen or the frost of which is thawing. • Due care should be taken to ensure that the material is not exposed to direct sunlight in hot weather conditions, and the product should be mixed with cold water. • The product strictly not be applied at such times of the day when the surface is exposed to direct sunlight through steep angle. • The product should not be applied on extremely windy weather conditions or on hot surfaces, which are exposed to direct sunlight; and in the cases, where application is imperative under such conditions, the environment and the surface should be prepared for application in advance. • The product should not be applied in rainy weather conditions, and the application surface should be preserved from rain for a period of 12 hours. • Refer to our technical support hotline for recommendation on different surface applications. (PHONE: 444 4 595) Surface and Ambient Temperature The surface and ambient temperature should be between +5°C and +35°C whilst at application. Application Limits Useful time for prepared product - Pot life Dry to the touch Firm use The foregoing values represent the results of the laboratory tests conducted at 23 ± 2°C temperature and 50% ± 5 relative humidity conditions. The values provided as per the table may vary depending on the surface and ambient conditions. APPLICATION INSTRUCTIONS Mixing Ratio Component A (15 kg) and component B (5 kg) should be thoroughly mixed. The mixture should be diluted with water by 10 to 20 % in order to adjust viscosity. Mixing Equipment • Low speed electrical mixer (400 cycles/min.) • Special tip stirring equipment Mixing Period First of all, component A should be stirred for 3 to 5 minutes with a low-speed mixer. Then, component B should be added, and the product should be stirred for another 3 to 5 minutes until it becomes homogenous. Finally, the mixture should be stirred for 3 to 5 minutes after the addition of water (by 10 to 20 %) to adjust viscosity. Application Equipment • Roller • Brush Equipment Cleaning The equipment used should be cleaned with cellulosic thinner following the application before the product dries. TECHNICAL PROPERTIES Chemical Structure: Primer with epoxy resin and hardener (water based) content Color: Transparent CONSUMPTION Recommended consumption amount for single coat application on 1 m 2 surface is 0.15 - 0.20 kg. The said value may vary, depending on the surface and ambient conditions. PACKAGING MegaFilm İzo Epo is delivered as set in net 20 kg tin buckets. (Component A:15 kg, Component B: 5 kg) 1 hour 12 - 16 hours 7 days SHELF LIFE The shelf life of the product is 9 months when stored within non tampered original packaging in dry (maximum relative humidity 60 %) and cool (ambient temperature between +5°C and +25°C) environment. STORAGE CONDITIONS The product should be stored within non tampered original packaging in dry (maximum relative humidity 60 %) and cool (ambient temperature between +5°C and +25°C) environment. It should not be exposed to direct sunlight. The container of the product should be closed firmly when not used. SAFETY PRECAUTIONS Please refer to the Safety Data Sheet (SDS) as appropriate for easy and safe application. 98

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