SEMICOSIL

Wacker Chemie AG Brand

Products:27

SEMICOSIL® is WACKER's brand name for its silicone rubber grades developed for use in electronics applications. Each product is customized to the requirements of a specific application, resulting in a portfolio of highly specialized grades.

View All SEMICOSIL Products

SEMICOSIL® 2M2M

Functions:Precursor
Chemical Family:Silanes
Applicable Processes:Semiconductor Manufacturing
Features:Low Chloride Content
Synonyms:Dimethyldimethoxysilane, DMDMOS, NSC 93882

SEMICOSIL® 2M2M is a high-purity dimethoxydimethylsilane with low levels of metal, chloride, and methanol content. It was developed specifically for the semiconductor industry, serving as a precursor for low-dielectric-constant interlayer dielectrics. This product is commonly used in chemical vapor deposition (CVD) and spin-on dielectric (SOD) applications.

SEMICOSIL® 4MS-EL

Functions:Precursor
Chemical Family:Silanes
Applicable Processes:Semiconductor Manufacturing

SEMICOSIL® 4MS-EL is a high-purity silane compound specifically developed for the semiconductor industry. It is used as a precursor for low-dielectric-constant interlayer dielectrics in applications such as chemical vapor deposition (CVD) and spin-on dielectrics (SOD). This product is known for its high purity, low metal content, and low chloride content, ensuring optimal performance in semiconductor processes.

SEMICOSIL® 6C2S

Functions:Precursor
Chemical Family:Silanes
Applicable Processes:Semiconductor Manufacturing

SEMICOSIL® 6C2S is a hyperpure hexachlorodisilane with ultra-high purity and low metal content. This product falls under the category of silanes used for chemical vapor deposition (CVD) and spin-on dielectrics (SOD). It was specifically developed for the semiconductor industry, serving as a precursor for low-temperature deposition processes and other applications within the field.

SEMICOSIL® 911 A/B

Product Type:2K (2 component) Adhesive, Potting Compound, Encapsulant
Application Area:Electrical Components, Housing
Cure Method:Chemical Cure, Heat Cure
Chemical Family:Silicones

SEMICOSIL® 911 A/B is a pourable, two-part silicone rubber that cures to a soft silicone gel through addition-curing. It has a 1:1 mixing ratio and demonstrates thixotropic behavior. This product offers rapid heat curing and forms a soft gel during vulcanization. SEMICOSIL® 911 A/B has a low volatile and uncured polymer content. It maintains almost constant properties within a wide temperature range, from -40 °C to +180 °C. Additionally, it boasts a low ion content.

SEMICOSIL® 912

Product Type:Encapsulant, 2K (2 component) Adhesive, Radiation Curable Coating, Potting Compound
Cure Method:Radiation Cure, Chemical Cure, Air Dry
Chemical Family:Silicones

SEMICOSIL® 912 is a pourable, addition-curing, two-part silicone rubber that, when combined with ELASTOSIL® CAT PT, ELASTOSIL® CAT PT-F, or ELASTOSIL® CAT UV, cures to form a soft silicone gel. It possesses low viscosity, making it easy to handle and process. The modular system of SEMICOSIL® 912 allows for flexible adjustment of the pot life and curing time by selecting from different catalysts. It is important to note that there is no binding between the base and catalyst, providing versatility in usage.

SEMICOSIL® 917

Product Type:Potting Compound, Encapsulant, 2K (2 component) Adhesive
Cure Method:Chemical Cure
Chemical Family:Silicones

SEMICOSIL® 917 is a shear-thinning, addition-curing, two-part silicone rubber that cures to a soft silicone gel when mixed with ELASTOSIL® CAT PT, ELASTOSIL® CAT PT-F, ELASTOSIL® CAT UV, or SEMICOSIL® 950 UV B. It offers fast curing at room temperature when combined with Catalyst PT-F, and it provides a long pot life at room temperature when used with Catalyst PT.

SEMICOSIL® 920 LT A/B

Product Type:Potting Compound, Encapsulant, 2K (2 component) Adhesive
Cure Method:Chemical Cure
Chemical Family:Silicones

SEMICOSIL® 920 LT A/B is a pourable, addition-curing, two-part silicone rubber that cures to a soft silicone gel. It has a 1:1 mixing ratio and exhibits very low viscosity, making it easy to handle and process. This product offers fast curing and forms a soft gel during vulcanization. SEMICOSIL® 920 LT A/B maintains almost constant properties within a wide temperature range, from -100 °C to +200 °C. Additionally, it has a low ion content, ensuring high purity in applications.

SEMICOSIL® 924

Product Type:Potting Compound, 1K (1 component) Adhesive, Encapsulant
Cure Method:Heat Cure, Chemical Cure
Chemical Family:Silicones

SEMICOSIL® 924 is a pourable, thermally curable, addition-curing one-part silicone rubber that cures to a very soft silicone gel. It is a ready-to-use product, requiring no additional mixing. SEMICOSIL® 924 exhibits thixotropic flow, allowing for easy application. Upon vulcanization, it forms a soft gel. This silicone rubber has low levels of volatiles and uncured polymers, contributing to its high purity. It also boasts a low ion content. SEMICOSIL® 924 maintains almost constant properties within a broad temperature range, from -50 °C to +180 °C.

SEMICOSIL® 9242

Product Type:1K (1 component) Adhesive, Encapsulant, 2K (2 component) Adhesive, Potting Compound
Application Area:Sensors, Power Control Unit (PCU), Electrical Components, Housing, Electronic Control Unit (ECU)
Cure Method:Heat Cure, Chemical Cure
Chemical Family:Silicones

SEMICOSIL® 9242 is a pourable, thermally curable, addition-curing one-part silicone rubber that cures to a very soft silicone gel. This product is ready-to-use, requiring no additional mixing. It exhibits thixotropic behavior, meaning it becomes shear-thinning during application. SEMICOSIL® 9242 offers rapid heat curing, allowing for efficient processing. Upon vulcanization, it forms a soft gel. With low levels of volatiles, uncured polymers, and ions, this silicone rubber ensures high purity. Additionally, SEMICOSIL® 9242 has the additional feature of ultraviolet fluorescence.

SEMICOSIL® 942 UV A/B

Chemical Family:Silicones
Product Type:Potting Compound, Conformal Coating, Radiation Curable Coating, 2K (2 component) Coating, Encapsulant
Cure Method:Radiation Cure, Air Dry, Chemical Cure
Application Area:Electric Vehicle (EV) Batteries, Printed Circuit Boards
Application Method:Spray

SEMICOSIL® 942 UV A/B is a sprayable, addition-curing, two-part silicone rubber with low viscosity. This product cures extremely fast when exposed to UV light, resulting in a soft conformal coating. SEMICOSIL® 942 UV A/B exhibits low viscosity and shear-thinning properties, making it suitable for spray applications. It offers the advantage of extremely fast curing at room temperature after UV activation, as well as the ability for shadow curing. Additionally, it contains a UV tracer, providing process control options during application.

SEMICOSIL® 949 UV A/B

Chemical Family:Silicones
Product Type:Potting Compound, Conformal Coating, Radiation Curable Coating, 2K (2 component) Adhesive, 2K (2 component) Coating, Encapsulant
Cure Method:Chemical Cure, Heat Cure, Radiation Cure, Air Dry
Application Area:Housing, Electrical Components, Power Control Unit (PCU), Sensors, Electronic Control Unit (ECU)
Application Method:Spray

SEMICOSIL® 949 UV A/B is a pourable, addition-curing, two-part silicone rubber with low viscosity. This product cures extremely fast when exposed to UV light, resulting in a soft silicone elastomer. SEMICOSIL® 949 UV A has a mixing ratio of 10:1 for its two parts and exhibits low viscosity, making it easy to handle and process. It offers the advantage of extremely fast curing at room temperature after UV activation. The cured elastomer has low hardness (Shore 00). Additionally, SEMICOSIL® 949 UV A contains a UV tracer, providing process control options during application.

SEMICOSIL® 950 UV B

Product Type:Potting Compound, Radiation Curable Coating, 2K (2 component) Adhesive, Encapsulant
Application Area:Power Control Unit (PCU), Sensors, Electronic Control Unit (ECU), Printed Circuit Boards, Connectors
Cure Method:Chemical Cure, Radiation Cure, Air Dry
Application Method:Spray
Chemical Family:Silicones

SEMICOSIL® 950 UV B is used in combination with SEMICOSIL® 949 UV A as a sprayable, addition-curing, 2-part silicone rubber of low viscosity that cures extremely fast after activation by UV light exposure to a soft silicone elastomer. The applied mixture offers a process control option by UV light (it contains a UV tracer).

SEMICOSIL® 961 TC A/B

Application Area:Sensors, Batteries, Power Control Unit (PCU), Electrical Components, Electric Vehicle (EV) Batteries
Features:Abrasion Resistant, High Durability, Tacky, Cost Effective, Easy To Dispense, Shorter Cycle Time, Soft, Good Stability, Good Thermal Conductivity, Low Volatility, Low VOC, Thermally Conductive, Shear Thinning, Good Gap Filling Capabilities, Non-slump
Chemical Family:Silicones

SEMICOSIL® 961 TC A/B is a shear-thinning, easy-dispensing, non-slump, two-part silicone rubber that cures at room temperature. It transforms into a soft and tacky rubber with excellent thermal conductivity. Specifically designed as an interface material, SEMICOSIL® 961 TC A/B is ideal for heat sink applications in the electronics industry.

SEMICOSIL® 962 TC A/B

Application Area:Power Control Unit (PCU), Electric Vehicle (EV) Batteries, Sensors
Features:Tacky, Bleed Resistant, Soft, Good Stability, Good Thermal Conductivity, Abrasion Resistant
Chemical Family:Silicones

SEMICOSIL® 962 TC A/B is a gap filler paste material with excellent thermal conductivity. It is a two-part silicone rubber that is shear-thinning, easy to dispense, and non-slump. This addition-curing formulation cures at room temperature, resulting in a soft, flexible, and tacky rubber with outstanding thermal conductivity properties.

SEMICOSIL® 9671 TC2 A/B

Application Area:Power Control Unit (PCU), Electric Vehicle (EV) Batteries, Sensors
Features:Low Stress, Tacky, Bleed Resistant, Thermally Conductive, Low Density, Soft, Good Thermal Conductivity, Low Volatility
Chemical Family:Silicones

SEMICOSIL® 9671 TC2 A/B is a thermal conductive gap filler silicone material used in heat sink applications for the electronics industry. It is a shear-thinning, easy-dispensing, non-slump, addition-curing, two-part silicone rubber that cures at room temperature. This material is specifically designed to enhance heat dissipation and provide efficient thermal management in electronic devices. SEMICOSIL® 9671 TC2 A/B is ideal for filling gaps and ensuring effective heat transfer in heat sink applications.

SEMICOSIL® 9672 TC

Application Area:Power Control Unit (PCU), Electric Vehicle (EV) Batteries, Sensors
Features:Tacky, Bleed Resistant, Low Density, Soft, Good Thermal Conductivity, Low Volatility
Chemical Family:Silicones

SEMICOSIL® 9672 TC is a thermally conductive gap filler silicone material designed for heat sink applications in the electronics industry. It is a shear-thinning, non-slump, two-part silicone gel that cures at room temperature to a soft gel with excellent thermal conductivity.

SEMICOSIL® 986/1K

Product Type:1K (1 component) Adhesive
Application Area:Power Control Unit (PCU), Electric Vehicle (EV) Batteries, Form In Plastic Gaskets (FIPG), Electrical Components, Housing
Cure Method:Chemical Cure, Heat Cure
Chemical Family:Silicones

SEMICOSIL® 986/1K is a thermally curable, one-part silicone rubber known for its non-slump properties. It is a ready-to-use system, requiring no additional mixing. The silicone rubber is thixotropic in nature and exhibits a translucent appearance. SEMICOSIL® 986/1K possesses medium hardness and high flexibility, making it suitable as a low-stress adhesive. It offers primerless adhesion to various substrates. Furthermore, this silicone rubber undergoes rapid heat curing and features ultraviolet fluorescence properties.

SEMICOSIL® 987 GR

Product Type:1K (1 component) Adhesive
Application Area:Gaskets, Power Control Unit (PCU), Electric Vehicle (EV) Batteries, Form In Plastic Gaskets (FIPG), Electrical Components, Housing
Cure Method:Heat Cure, Chemical Cure
Chemical Family:Silicones

SEMICOSIL® 987 GR is a one-part, ready-to-use, thermally curable silicone elastomer that exhibits non-slump properties. It is primarily used as a sealing adhesive. The silicone is thixotropic in nature, allowing for easy application and shaping. It offers high flexibility, making it suitable for low-stress adhesive bonding, such as in molded-in-place gasket (FIPG) applications. Additionally, SEMICOSIL® 987 GR provides primerless adhesion to a wide range of substrates.

SEMICOSIL® 988 TIC

Chemical Family:Silicones
Product Type:Insulating Coating, 1K (1 component) Coating, 1K (1 component) Adhesive
Cure Method:Chemical Cure, Heat Cure
Application Area:Semiconductors, Cure In Place Gasket, Form In Plastic Gaskets (FIPG)

SEMICOSIL® 988 TIC is a non-slump, thermally curable, one-part silicone rubber with excellent insulation properties. This product is optimized for insulation coating applications in disk power semiconductors. It is a ready-to-use system that exhibits thixotropic behavior, ensuring easy application and positioning. SEMICOSIL® 988 TIC is transparent, has a medium hardness, and offers high flexibility as a low-stress adhesive.

SEMICOSIL® 988/1K Grey

Product Type:1K (1 component) Adhesive
Application Area:Power Control Unit (PCU), Form In Plastic Gaskets (FIPG), Cure In Place Gasket, Batteries, Connectors, Sensors
Cure Method:Chemical Cure, Heat Cure
Chemical Family:Silicones

SEMICOSIL® 988/1K Grey is a non-slump, thermally curable, one-part silicone rubber. It is a ready-to-use system that exhibits low viscosity during dispensing, making it easy to work with. This product serves as a low-thermal-stress sealing adhesive with a medium hardness. It offers high flexibility and demonstrates excellent primerless adhesion to a wide range of substrates.

SEMICOSIL® 9882 A/B

Product Type:2K (2 component) Adhesive
Application Area:Power Control Unit (PCU), Form In Plastic Gaskets (FIPG), Housing, Electronic Control Unit (ECU), Cure In Place Gasket
Cure Method:Chemical Cure
Chemical Family:Silicones

SEMICOSIL® 9882 A/B is a two-component silicone rubber adhesive that exhibits thixotropic properties and cures at moderate temperatures. It has a thixotropic, pasty consistency, making it easy to apply and work with. This adhesive offers low hardness and low modulus, resulting in excellent compression-set properties and high elongation.

SEMICOSIL® 989/1K

Product Type:1K (1 component) Adhesive
Application Area:Form In Plastic Gaskets (FIPG), Gaskets
Cure Method:Heat Cure, Chemical Cure
Chemical Family:Silicones

SEMICOSIL® 989/1K is a one-part, ready-to-use silicone rubber that cures through thermal curing. It is non-slumpy and exhibits thixotropic properties, making it easy to handle and apply. This transparent silicone rubber has a medium hardness, providing a balance between flexibility and rigidity. It cures rapidly with heat and offers primerless adhesion to a wide range of substrates.

SEMICOSIL® 9981 TC

Application Area:Power Control Unit (PCU), Electric Vehicle (EV) Batteries, Sensors
Features:Electrically Conductive, Good Thermal Stability, Screen Printable, Good Thermal Conductivity
Chemical Family:Silicones

SEMICOSIL® 9981 TC is a one-part, thermally conductive paste with electrical conductivity that cures into a gap-filling silicone. The thermal paste efficiently fills the finest gaps of heat-generating and ablating substrates, minimizing contact resistance. The thermal resistance is minimized due to an exceptional thermal conductivity of 10 W/mK, in combination with the possibility of reducing bond line thickness to 10 μm.

SEMICOSIL® HMDSO-EL

Chemical Family:Silicones
Applicable Processes:Semiconductor Manufacturing
Features:Low Metal Content, Low Chloride Content
Synonyms:Bis(trimethylsilyl)ether, Bis(trimethylsilyl)oxide, Oxybis(trimethylsilane)

SEMICOSIL® HMDSO-EL is a high-purity hexamethyldisiloxane (HMDSO) known for its exceptional purity, low metal content, and low chloride content. This product has been specifically developed to cater to the needs of the semiconductor industry. It finds applications in various processes such as chemical vapor deposition (CVD) and spin-on dielectrics (SOD).

SEMICOSIL® HMN-EL

Functions:Adhesion Promoter, Silylating Agent
Chemical Family:Silicones
Applicable Processes:Chemical Amplification, Semiconductor Manufacturing, Photolithography
Features:Low Metal Content, Low Chloride Content
Synonyms:Bis(trimethylsilyl)ether, Bis(trimethylsilyl)oxide, Oxybis(trimethylsilane)

SEMICOSIL® HMN-EL is a high-purity hexamethyldisilazane specifically developed for use in photoresists for semiconductor manufacturing. It serves as an adhesion promoter and silylating agent in processes like chemical amplification. This product is characterized by its high purity, low metal content, low chloride content, and low residue on evaporation, ensuring optimal performance in semiconductor applications.

SEMICOSIL® M3E

Functions:Precursor
Chemical Family:Silanes
Applicable Processes:Semiconductor Manufacturing
Features:Low Chloride Content, High Purity
Synonyms:Methyltriethoxysilane, Monomethyltriethoxysilane, NSC 5226, Triethoxymethylsilane, Triethoxysilylmethane

SEMICOSIL® M3E is a high-purity methyltriethoxysilane (M3E) known for its excellent purity, low metal content, and low chloride content. This product has been specifically developed for the semiconductor industry, serving as a precursor for low dielectric constant interlayer dielectrics and other applications.

SEMICOSIL® TEOS 999-LB

Functions:Precursor
Applicable Processes:Semiconductor Manufacturing
Features:High Purity
Synonyms:Ethyl Orthosilicate, Ethyl Silicate, Tetraethoxysilane, Tetraethyl Silicate

SEMICOSIL® TEOS 999-LB is an ultra-high-purity tetraethoxysilane (TEOS) known for its exceptional chemical purity, very good trace metal purity, and very good purity in terms of boron and chloride. This product has been specifically developed for the semiconductor industry and finds typical applications as a precursor for low-dielectric constant interlayer dielectrics and other related uses.

Knowde Brand Summary

Features & Benefits

Labeling Claims: Animal Products-free,
BSE-free,
High Purity,
Low Metals Content,
Solvent-free,
TSE-free,
VOC-free

Applications & Uses

Markets: Automotive & Transportation,
Building & Construction,
Electrical & Electronics
Applications: Automotive
Electrical & Electronic Systems
Devices & Assemblies
Automotive Electronics,
Consumer Electronics
Flooring & Surfaces
Fillers, Levellers & Joints
Packaging & Assembly
Potting Compounds
Parts & Components
Housings & Enclosures,
Printed Circuit Boards (PCBs),
Semiconductor Manufacturing,
Sensors & Actuators
Wire & Cable
Power Transmission & Distribution
Applicable Processes: Chemical Amplification,
Photolithography,
Semiconductor Manufacturing
Application Area: Batteries,
Connectors,
Cure In Place Gasket,
Electric Vehicle (EV) Batteries,
Electrical Components,
Electronic Control Unit (ECU),
Form In Plastic Gaskets (FIPG),
Gaskets,
Housing,
Power Control Unit (PCU),
Printed Circuit Boards,
Semiconductors,
Sensors
Application Method: Spray
Cure Method: Air Dry,
Chemical Cure,
Heat Cure,
Radiation Cure

Knowde Brand Highlights

Brand Overview

SEMICOSIL^® silicones are available as 1- and 2-part silicone rubber grades, addition-cured or UV-cured. The curing system and time can be adjusted individually by choosing the appropriate catalyst. All grades are fully automatically processable in mixing and metering units and ideal for processing by conventional methods or in mass production.

Extremely high chemical purity (ion content of < 2 ppm)
Low-temperature stability (down to −120 °C)
High temperature stability (up to +210 °C)
Resistance to aggressive media, e.g., fuels and acidic exhaust

Benefits

Reduction of thermal stress
Dampening of vibrations
Uniform stress distribution between different materials
Heat dissipation
Protection against mechanical and chemical effects
Protection against radiation, ozone gas and high atmospheric humidity

Applications

SEMICOSIL^® silicone rubber grades are used as:

Encapsulants
Coatings, protective varnishings
Gap fillers
Thermal adhesives
Thermal pads and pastes
In the manufacture of circuit boards, power semiconductor devices, electronic control units and transformers

Industries

Automotive electronics
e-Mobility (battery assembly)
Power electronics
Consumer electronics

Food & Nutrition Formulations

Agriculture & Feed

Sustainable Cosmetic Ingredients

Agrochemicals