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Silicone Sealants

Silicone sealants have long been recognized as vital components in building and assembly and they will remain important given the growing demand for sustainability in these industries. They are indispensable products in essentially all key industries. Their significant advantages over alternative materials include outstanding weathering and aging properties, unparalleled UV stability as well as temperature resistance. Take advantage of the proximity to WACKER as a full-portfolio supplier offering products of consistent quality in addition to various purchasing options, from the raw materials to the finished silicone sealants, all available in containers, drums, or cartridges.

ELASTOSIL^® - Finished Construction Sealants

ELASTOSIL^® silicone sealants are one-component, low-modulus products available as diverse curing systems. They are the sealants of choice in construction applications, including a wide range of connection and expansion joints as well as sanitary and other specialized sealing tasks. Irrespective of the grade of interest, most of our finished silicone sealants are available in various packaging types, such as drums, that allowing refilling. In addition, cartridges and sausages can be ordered with diverse options for private labeling and therefore the flexibility to adapt your product to suit the market channels served by your company. Furthermore, in applications requiring specific sealants—whether for use with natural stone, to achieve fire retardation, or to meet compatibility requirements in food-contact applicationsour portfolio meets your needs.

Benefits

Long shelf-life
Excellent tooling characteristics
Very good movement capability
Outstanding adhesion
Excellent UV stability
High-temperature stability
Resistance to extreme weather conditions
Energy savings in buildings

Applications

Connection joints
Expansion joints
Weathersealing
Natural stone
Sanitary sealing
Window and door sealing
Fire protection
Aquarium
High-temperature exposure
Food contact

Special Raw Materials for Silicone Compounding

WACKER is a leading supplier of raw materials for silicone sealants, with a full range of standard and specialized raw materials for various compounding purposes. Our silicone polymers and plasticizers meet all the needs of silicone sealant compounders and are complemented by a wide selection of compounding additives, such as cross-linkers and adhesion promoters for neutral alkoxy and acetoxy formulations. For easy and robust access in compounding neutral alkoxy curing silicones, our experts have developed a well-balanced range of alkoxy-terminated polymers in combination with specially designed additives. These include a polymer created for the formulation of liquid seamless waterproofing membranes. Special catalysts and stabilizers with specific functions, such as the improvement of storage stability and rheology, complete these offerings.

Benefits

Reliable quality and specially adjusted additives to suit various needs
Acetoxy crosslinkers ensure sealants have robust performance to meet particular demands
Special alkoxy-polymers as the basis for a unique compounding technology
Alkoxy crosslinker packages for easy, robust and flexible performance adjustments
Reliability and reproducibility of the alkoxy compounding process
Easy control of physical and chemical characteristics, e.g. rheology, mechanical properties
Improved crosslinking for chemical resistance (crosslinkers)
Robust storage stability for alkoxy systems