From Silicone to STP-E Technology WACKER silicones marketed as ELASTOSIL are long-established highquality construction sealants.

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1 NEW hybrid GENERATION OF elastic ADHESIVES AND SEALANTS Creating Tomorrow s Solutions

2 GENIOSIL ELASTIC ADHESIVES AND SEALANTS

3 GENIOSIL ALL POSITIVE PROPERTIES COMBINED Environmentally/user friendly Silicones Easy to process Hybrids High elasticity Paintable Polyurethanes High mechanical strength Rapid curing Reactive, moisture-curing adhesives and sealants have been an integral part of construction for decades. Silicones and polyurethanes are the best known, with hybrids increasing in popularity, too. Compared to non-reactive, purely physically drying products especially acrylate sealants the reactive systems excel in reliably maintaining their function even in high-stress areas and outdoor applications. Silicones Are the traditional sealants highly elastic and tough. They are not easy to paint and tend to discolor around the edges, which limits their use for facades. Polyurethanes Are characterized by their strength, which makes them ideal adhesives. Due to their reactive isocyanate components, the processor must carefully observe user guidelines. Hybrids Are silane-crosslinking organic polymers that combine properties typical of both silicones and polyurethanes. They are highly versatile as adhesives and sealants and easy and safe to use. From Silicone to STP-E Technology WACKER silicones marketed as ELASTOSIL are long-established highquality construction sealants. We are now expanding this product area with a balanced range of hybrid-based adhesives and sealants, marketed as GENIOSIL. What distinguishes these products from the rest is their crosslinking mechanism the so-called STP-E technology. The novel crosslinkers behind this technology, e.g. alpha-silanes, provide the products with properties that surpass those of conventional hybrid systems: A broad range of elasticity and strength from low-modulus sealants to high-strength adhesives Rapid curing alongside a sufficiently long pot life Exceptionally long shelf life Tack-free surface without dirt pick-up Particularly environmentally and user friendly (tin-free and plasticizer-free) ELASTOSIL and GENIOSIL are registered trademarks of Wacker Chemie AG. 3

4 GENIOSIL ADHESIVES AND SEALANTS: IDEAL FOR EVERY APPLICATION

5 A few examples of GENIOSIL s versatility: 1 GENIOSIL N25: Expansion joints on facades > Page 6 5 GENIOSIL N70: Bonding of cornices > Page GENIOSIL N35: Connection joints for stairs 3 GENIOSIL N35C: Sealing and bonding of glass display cases 4 GENIOSIL N45: Bonding of mirrors > Page 9 > Page 11 > Page 13 6 GENIOSIL W90: Under-tile waterproofing > Page 17 7 GENIOSIL W180: Waterproofing under patios > Page 19 8 GENIOSIL W180 plus: Waterproofing flat roofs > Page 21 Product Definition GENIOSIL N: non-sag, moisture-curing joint sealants and adhesives GENIOSIL W: free-flowing, moisture-curing, waterproofing liquid membranes 5

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7 GENIOSIL N25 THE FACADE SEALANT GENIOSIL N25 is a neutral, one-part, low-modulus sealant for stress-compensation expansion joints in facade applications. It s easy to process, can be plastered and painted after curing, and does not lead to discoloration around the edges. Applications Expansion joints for facades (concrete and stone) All types of connection joints in construction (windows, doors, etc.) Processing Benefits One-part Easy to process at 5 40 C Rapid curing Adhesion to many different substrates without primer Solvent-free Low environmental impact and safe Virtually odorless Long shelf life Product Benefits High movement absorption (tested according to ISO G&F) Tack-free surface Compatible with paints and plasters Stable at temperatures from -40 C to +80 C UV and weathering resistant Water-resistant Non-corrosive 7

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9 GENIOSIL N35 THE ALL-PURPOSE SEALANT GENIOSIL N35 is a neutral, one-part, elastic sealant for all types of joints in indoor and outdoor applications. Once cured, it can be painted without problems. Despite its elasticity, GENIOSIL N35 is firm enough for filling and bonding. Applications Paintable indoor and outdoor connection joints (ceiling, window and masonry connections) Filling in cracks and cavities Highly elastic bonding Processing Benefits One-part Easy to process at 5 40 C Rapid curing Adhesion to many different substrates without primer (glass, tiles, stone, plastic, wood and concrete) Solvent-free Low environmental impact and safe Odorless Long shelf life Product Benefits Tack-free surface High-modulus elasticity High strength Paintable Stable at temperatures from -40 C to +80 C UV and weathering resistant Water-resistant Non-corrosive 9

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11 GENIOSIL N35C THE INVISIBLE ADHESIVE AND SEALANT GENIOSIL N35C is a crystal-clear, neutral, one-part adhesive/sealant for all types of permanently flexible bonding and jointing. The product s predominant feature is its high transparency, which is permanent and renders joints and adhesive seams almost invisible. Applications Transparent joints and bonding Decorative construction Glass display cases Interior glazing Processing Benefits One-part Easy to process at 5 40 C Non-sag, no dripping Rapid curing Good adhesion to many substrates Solvent-free Low environmental impact and safe Odorless Product Benefits Highly transparent and non-yellowing Tack-free surface Permanent elasticity Paintable Stable at temperatures from -40 C to +80 C UV and weathering resistant Water-resistant Non-corrosive 11

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13 GENIOSIL N45 THE ALL-PURPOSE ASSEMBLY ADHESIVE GENIOSIL N45 is a neutral, one-part, flexible adhesive with a broad range of construction, industry, household and hobby applications. It s reliable, strong and safe, but still sufficiently flexible to act as a joint sealant if required. Applications Stress-free structural bonding (metals, wood, plastics except PE, PP and PTFE, and silicones) Bonding of mirrors Weld sealing All types of adhesive joints Filling in cracks and cavities Processing Benefits One-part Easy to process at 5 40 C Non-sag paste Rapid curing, develops strength fast Adhesion to many different substrates, good initial adhesion Solvent-free Low environmental impact and safe (tin-free) Odorless Excellent shelf life Product Benefits High strength and good elasticity Tack-free surface No stains Paintable Can be sanded Stable at temperatures from -40 C to +80 C Non-corrosive Weathering-resistant Water-resistant 13

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15 GENIOSIL N70 THE HIGH-STRENGTH ADHESIVE GENIOSIL N70 is a neutral, one-part, elastic adhesive that has exceptionally good adhesion and high strength. With GENIOSIL N70, many things that used to be affixed with nails and screws can now be bonded. The product is a valuable helper in construction, the household and many recreational activities. Applications All types of stress-free bonding (wood, metal, plastics, tiles and gypsum plasterboards) Bonding, replaces mechanical fixation Filling in cavities Processing Benefits One-part Easy to process at 5 40 C Rapid curing, develops strength fast Excellent adhesion to almost all substrates without primer Good initial adhesion Solvent-free Low environmental impact and safe (tin-free and plasticizer-free) Odorless Outstanding shelf life Product Benefits Broad range of applications High-strength yet elastic Tack-free surface Paintable Can be sanded Stable at temperatures from -40 C to +80 C No bleeding, no staining Non-corrosive Weathering-resistant 15

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17 GENIOSIL W90 THE brushable ALL-PURPOSE waterproofing FOR VERTICAL SURFACES GENIOSIL W90 is a ready-to-use, thixotropic waterproofing liquid membrane for construction applications not regulated by standards. It features excellent adhesion to a wide range of substrates, high elasticity and good crack-bridging. Applications Under-tile waterproofing All-purpose waterproofing of dome lights, guttering and pipe passages Waterproofing of cracks in roofs and walls Sealing of indoor and outdoor connections Waterproofing of interior and exterior basement walls Processing Benefits One-part and solvent-free Readily applied with roller or brush in only two steps Short drying time, tack-free surface Excellent adhesion to many substrates even without primer Good crack-bridging Easy to process at 5 40 C Virtually odorless Long shelf life Product Benefits Excellent resistance to chemicals Good UV and weathering resistance Water-vapor permeable Exceeds requirements of DIN Free of phthalate plasticizers 17

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19 GENIOSIL W180 THE SELF-LEVELING waterproofing FOR HORIZONTAL SURFACES GENIOSIL W180 is a rollable and sprayable waterproofing liquid membrane for construction applications not regulated by standards. Thanks to its low viscosity, it s easy to roll on and offers optimal waterproofing properties on the most versatile of substrates. Applications Waterproofing of balconies, patios and roofs Under-tile waterproofing Moisture barrier under floor screeds Potting compound for expansion and movement joints Waterproofing of interior and exterior basement walls Processing Benefits One-part and solvent-free Readily applied with roller or airless spray gun in just two layers Short drying time, tack-free surface Excellent adhesion to many substrates even without primer Good crack-bridging Easy to process at 5 40 C Virtually odorless Long shelf life Product Benefits Excellent resistance to chemicals Good UV and weathering resistance Water-vapor permeable Exceeds requirements of DIN Free of phthalate plasticizers 19

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21 GENIOSIL W180 PLUS THE waterproofing FOR SPECIAL DEMANDS Used just like GENIOSIL W180, GENIOSIL W180 PLUS features unique product properties for construction applications not regulated by standards. For highly stressed areas such as flat roofs, GENIOSIL W180 PLUS offers reliable waterproofing and guarantees a hardwearing surface after curing. Applications Waterproofing of flat roofs Waterproofing of patios and balconies Waterproofing of interior and exterior basement walls Processing Benefits One-part and solvent-free Readily applied with roller or airless spray gun in just two layers Short drying time, tack-free surface Excellent adhesion to many substrates even without primer Good crack-bridging Easy to process at 5 40 C Long shelf life Product Benefits Hardwearing surface Excellent tear strength Outstanding elasticity Plasticizer-free Water-vapor permeable Good UV and weathering resistance Exceeds requirements of DIN

22 TECHNICAL PROPERTIES OF GENIOSIL N AND GENIOSIL W GENIOSIL N Product Properties GENIOSIL N25 GENIOSIL N35 GENIOSIL N35C GENIOSIL N45 GENIOSIL N70 Color White/gray/black White/gray/black Transparent White/gray/black White/gray/black/ beige/brown Density [g/cm³] ISO 1183-B Skin-formation time [min] C/50% rh Shore A hardness ISO Tensile strength [N/mm²] ISO 37-rod1 Elongation at break [%] ISO 37-rod1 Tear strength [N/mm] ISO 34-C Modulus at 100% elongation ISO 37-rod1 [N/mm²] GENIOSIL W Product Properties GENIOSIL W90 GENIOSIL W180 GENIOSIL W180 PLUS Color Gray Gray Gray Consistency Spreadable Self-leveling Self-leveling Density [g/cm³] ISO 1183-B Viscosity, Brookfield, [mpa s] 10,000 7,000 7,000 spindle 7, 50 min -1 Skin-formation time [min] C/50% rh Through-cure time, [h] mm layer 23 C /50% rh Shore A hardness ISO Crack-bridging, [mm] A5, 23 C EN Tensile strength [N/mm²] ISO 37-rod1 Elongation at break [%] ISO 37-rod1 Tear strength ISO 34-C [N/mm]

23 WACKER AT A GLANCE WACKER is a technology leader in the chemical and semiconductor industries and a worldwide innovation partner to customers in many key global sectors. With 15,900 employees, WACKER generated sales of 4.3 billion in Germany accounted for 22% of sales, Europe (excluding Germany) for 23%, North and South America for 20% and Asia-Pacific, including the rest of the world, for 35%. Head quartered in Munich, Germany, WACKER has 27 production sites worldwide and a global network of over 100 sales offices. SILTRONIC is one of the world s leading producers of hyperpure silicon wafers, supplying many major chip manufacturers. Siltronic develops and produces wafers up to 300 mm in diameter at facilities in Europe, the USA and Asia. Silicon wafers form the basis of state-of-the-art micro and nanoelectronics used, for example, in computers, telecommunications, motor vehicles, medical technology, consumer electronics and control systems. WACKER SILICONES is a leading supplier of complete siliconebased solutions that comprise products, services and conceptual approaches. As a provider of solutions, the business division helps customers press ahead with innovations, exploit global markets fully, and optimize business processes to reduce overall costs and boost pro duc tivity. Silicones are the basis for products offering highly diverse properties for virtually unlimited fields of application, ranging from the automotive, construction, chemical, electrical engineering and electronics industries, through pulp and paper, cosmetics, consumer care and textiles, to mechanical engineering and metal processing. automotive, paper and adhesives industries, as well as by manufacturers of printing inks and industrial coatings. WACKER POLYSILICON has been producing hyperpure silicon for the semiconductor and photovoltaics industries for over 50 years. As one of the largest global manufacturers of poly crystal line silicon, WACKER POLYSILICON supplies leading wafer and solar-cell manufacturers. WACKER BIOSOLUTIONS uses advanced biotech processes to offer innovative and tailored solutions and biotech products for the life science sector. Its products include pharmaceutical proteins, cyclodextrins and fermentation-grade cysteine. Organic intermediates, acetylacetone and PVAc solid resins complete the portfolio. The division focuses on developing customized solutions for growth sectors such as food additives, pharmaceutical actives and agro chemicals. WACKER POLYMERS is the global leader for high-quality binders and polymer additives. This business division s activities encompass construction chemicals and functional polymers for lacquers, surface coatings and other industrial applications, as well as basic chemicals, i. e. acetyls. Products such as dispersible polymer powders, dispersions, solid resins, powder binders and surface coating resins from WACKER POLYMERS are used in the construction, CREATING TOMORROW S SOLUTIONS

24 6665e/03.10 Wacker Chemie AG Hanns-Seidel-Platz München, Germany Tel Fax info.silicones@wacker.com