Products in Fillers & Extenders

MultiTech Filler is a hydrophobic (i.e., not wettable by water) silica also used in defoamer.

MultiTech MultiFunctional J is a hydrophilic fumed silica with a specific surface area of 300 m²/g.

MultiTech MultiFunctional K is a natural raw cellulose. MultiTech MultiFunctional K is a beige colored softwood product with a cubic structure. The main particle range is 70-150 µm. It is a sustainable material for various applications as reinforcement and functional filler.

MultiTech Rheology Modifier A is a hydrophobic fumed silica after treated with D4 (Octamethylcyclotetrasiloxane).

Reinforcing Elastomers Resin A Styrene Butadiene Resin (SBR) S-6H by Valex Group is commonly used as Reinforcing Resin for a variety of applications. It is available in Powder form.

HDK® V15 is a standard synthetic, hydrophilic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity commonly used in various industrial applications. HDK® V15 finds its application as a thickening and thixotropic agent in silicone sealants. Additionally, it is used as a reinforcing filler in elastomers, particularly silicone elastomers.

HDK® H15 is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H15 is commonly utilized as a thickening and thixotropic agent in coatings, printing inks, adhesives, cosmetics, and other applications. Additionally, it serves as a reinforcing filler in elastomers, particularly silicone elastomers. Moreover, HDK® H15 functions as a free flow additive in the production of technical powders.

HDK® T30 is a hydrophilic, synthetic, amorphous silica produced through flame hydrolysis. It is a standard product widely used in various industrial applications. HDK® T30 is a white colloidal powder of high purity. It finds application in inkjet paper, make-up, powder coatings, printing inks, and rheology control.

HDK® N20 is a synthetic, hydrophilic, amorphous silica produced through flame hydrolysis. It is a standard product widely used in various industrial applications. This white colloidal powder offers high purity and serves multiple purposes. One of the primary applications of HDK® N20 is as a thickening and thixotropic agent in organic systems such as unsaturated polyesters, coatings, printing inks, adhesives, and cosmetics. Additionally, it functions as a reinforcing filler in elastomers, particularly silicone elastomers.

HDK® N20Plus is a hydrophilic, synthetic, amorphous silica produced through flame hydrolysis. It is a standard product widely used in various industrial applications. HDK® N20Plus is a white colloidal powder of high purity. It finds applications in offset printing and powder coatings.

HDK® H2000 is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H2000 is primarily used as a reinforcing filler in silicone-elastomers, enhancing their properties. Furthermore, it serves as a free flow additive in the production of technical powders and finds application as an additive in antifoam agents.

HDK® T30P is a hydrophilic, synthetic, amorphous silica produced through flame hydrolysis. It is a standard product widely used in various industrial applications. HDK® T30P is a white colloidal powder of high purity. It serves as a reinforcing filler in elastomers, particularly silicone elastomers. However, it is not suitable for use in pharmaceuticals, food, and feed applications. It is essential to achieve a good dispersion of HDK® T30P to ensure optimal performance.

HDK® H30 is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H30 finds application as a thickening and thixotropic agent in various industries including coatings, printing inks, adhesives, cosmetics, and others. Additionally, it is utilized as a reinforcing filler in elastomers, specifically silicone-elastomers. Moreover, HDK® H30 acts as a free flow additive in the production of powder coatings.

HDK® H20 is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H20 is used as a thickening and thixotropic agent in coatings, printing inks, adhesives, cosmetics, and other applications. It also serves as a reinforcing filler in elastomers, particularly silicone-elastomers. Additionally, HDK® H20 acts as a free flow additive in the production of powder coatings.

HDK® N20P is a hydrophilic, synthetic, amorphous silica produced through flame hydrolysis. It is a standard product widely used in various industrial applications. HDK® N20P is commonly applied in the electronics industry as a white colloidal powder of high purity.

HDK® T30Plus is a synthetic, hydrophilic, amorphous silica produced via flame hydrolysis. It is a standard product widely used in various industrial applications. HDK® T30Plus is a white colloidal powder of high purity. It finds applications in inkjet paper, makeup, powder coatings, printing inks, and rheology control.

HDK® T40 is a standard synthetic, hydrophilic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity commonly used in various industrial applications. HDK® T40 finds applications in flexographic printing, gravure printing, industrial wood coatings, inkjet paper, offset printing, and printing inks.

HDK® V15D is a standard synthetic, hydrophilic, amorphous silica produced via flame hydrolysis. It is commonly used in various industrial applications. HDK® V15D finds its application as a thickening and thixotropic agent in silicone sealants. Additionally, it is used as a reinforcing filler in elastomers, particularly silicone elastomers.

HDK® S13 is a hydrophilic, synthetic, amorphous silica produced through flame hydrolysis. It is a standard product widely used in various industrial applications. HDK® S13 is a white colloidal powder of high purity. It finds application in inkjet paper and pulp, paper & printing processes.

AEROSIL® R 8200 is a structure modified hydrophobic silica grade treated with HMDS (Hexamethyldisilazane). It is characterized by an extremely low thickening effect and high compacted bulk density. Its high hydrophobicity makes it suitable as a defoamer silica.

AEROSIL® R 974 is hydrophobic fumed silica grades treated with DDS (Dichlordimethylsilane). The moderate hydrophobicity of these AEROSIL® products is suited for defoaming properties in the presence of appropriate hydrophobic liquids. They are recommended for improving the sedimentation stability of defoamer dispersions as well.

ULTRASIL® VN 2 is primarily used at high filler loadings in PCT (passenger car tire) tread compounds without any loss in processing behavior. This silica is particularly well-suited for use in combination with bifunctional organosilanes, which help to optimize wet and winter properties. Additionally, high static moduli are observed with and without additional organosilanes. This is why ULTRASIL® VN 2 is also widely used in other mechanical rubber goods. It is available in both powder and granulated silica forms.

AEROSIL® 200 is a hydrophilic fumed silica with a specific surface area of 200 m²/g.

ULTRASIL® 7000 GR is a highly reinforcing silica that has been specifically developed for use in low-rolling-resistance passenger car tire tread compounds, commonly referred to as "Green Tires". This silica has a specific BET surface area of approximately 175 m²/g, and it exhibits excellent incorporation and dispersion behavior. When used in tire tread compounds, it imparts high abrasion resistance, excellent rolling resistance, and improved wet traction.

AEROSIL® R 972 is hydrophobic fumed silica grade treated with DDS (Dichlordimethylsilane). The moderate hydrophobicity of these AEROSIL® products is suited for defoaming properties in the presence of appropriate hydrophobic liquids. They are recomended for improving the sedimentation stability of defoamer dispersions as well.

AEROSIL® R 106 is a hydrophobic fumed silica after treated with D4 (Octamethylcyclotetrasiloxane).

ULTRASIL® 880 is a precipitated silica that contains a calcium admixture and has a very low specific N2 surface area of approximately 35m²/g. When added to rubber mixtures, it provides excellent residual deformation and extrusion characteristics. ULTRASIL® 880 also enables the creation of profiles with minimal swelling and a very smooth surface. Even EPDM mixtures with extremely high filling grades (up to 200 parts per hundred of rubber) can still be processed with ease. In white mixtures, ULTRASIL® 880 can be used in partial substitution for titanium dioxide. The impact of sulfur adsorption is negligible.

ULTRASIL® VN 3 has a specific N2 surface area of approximately 180m²/g and is utilized in nearly all areas of the rubber industry. It is available in both powdered and granulated forms. ULTRASIL® VN 3 offers a high reinforcing potential in combination with a high level of transparency in the finished rubber product, such as in shoe soles. Furthermore, ULTRASIL® VN 3 is widely used in different bonding systems.

AEROSIL® 200 HV is a hydrophilic fumed silica with a specific surface area of 200 m²/g.

AEROSIL® 380 is a hydrophilic fumed silica with a specific surface area of 380 m²/g.

ULTRASIL® VN 2 GR is primarily used at high filler loadings in PCT (passenger car tire) tread compounds without any loss in processing behavior. This silica is particularly well-suited for use in combination with bifunctional organosilanes, which help to optimize wet and winter properties. Additionally, high static moduli are observed with and without additional organosilanes. This is why ULTRASIL® VN 2 GR is also widely used in other mechanical rubber goods. It is available in both powder and granulated silica forms.

SIPERNAT® D 17 is a hydrophobic (i.e., not wettable by water) silica also used in defoamer.

ULTRASIL® 360 is a semi-active precipitated silica with a very low N2 surface area of approximately 55m²/g. It is particularly well-suited for use in extrusion, injection molding, calendaring mixtures, and soft roll processes. This product is easy to process, even at high filler loadings. When used in vulcanized rubber goods, ULTRASIL® 360 leads to lower residual deformation and excellent dynamic characteristics.

AEROSIL® OX 50 is a fumed silica with a very low specific surface area, low thickening, and high purity. The product can be used as an additive or as a raw material. In polymer composites, high filler loading can be achieved, making it possible to control essential characteristics of polymers.

ULTRASIL® VN 3 GR has a specific N2 surface area of approximately 180m²/g and is utilized in nearly all areas of the rubber industry. It is available in both powdered and granulated forms. ULTRASIL® VN 3 GR offers a high reinforcing potential in combination with a high level of transparency in the finished rubber product, such as in shoe soles. Furthermore, ULTRASIL® VN 3 GR is widely used in different bonding systems.

ULTRASIL® 7000 is a mechanically compacted granulate that results in less dust development during mixing thanks to the granulation process. ULTRASIL® 7000 GR, on the other hand, is an easily dispersible and highly reinforcing silica that was specifically developed for low-rolling-resistance passenger car tire tread compounds. It imparts high abrasion resistance to tread compounds, along with excellent rolling resistance and wet traction. To achieve these properties, it is necessary to use ULTRASIL® 7000 in combination with a bifunctional organosilane, such as Si 69®, Si 75®, Si 266®, or Si 363.