TIB KAT 423

TIB KAT 423 is a high-performance organotin catalyst developed for curing silyl-terminated polymers (MS polymers) and alkoxy-based RTV silicone systems.
TIB KAT 423 is formulated as a dioctyltin-silane complex, offering fast curing, low toxicity, and excellent compatibility in moisture-curing adhesives, sealants, and coatings.
TIB KAT 423 is valued for its balance of reactivity and safety, making it suitable for use in automotive, construction, and industrial applications.

CAS Number: 870-08-6
EC Number: Not assigned (mixture)
Molecular Formula: Proprietary (dioctyltin-silane complex)
Molecular Weight: Variable (mixture)

Synonyms: TIB KAT 423, Dioctyltin silane complex, DOT silane blend, TIB KAT 423 catalyst, TIB KAT silane curing agent, Moisture-curing catalyst 423, RTV catalyst 423, 1K system catalyst 423, MS polymer catalyst 423, Organotin catalyst TIB KAT 423, TIB KAT RTV additive, TIB KAT one-component catalyst, Silicone catalyst 423, Alkoxysilane catalyst TIB KAT 423, Crosslinking catalyst for MS polymers, TIB KAT 423 sealant additive, Fast-curing catalyst 423, TIB KAT curing agent 423, Low-tox catalyst TIB KAT 423, Tin catalyst for RTVs, DOT silane polymer catalyst, TIB KAT adhesive hardener, Catalyst for moisture-reactive resins, TIB KAT building adhesive catalyst, TIB KAT 423 industrial grade, Dioctyltin RTV crosslinker, Catalyst for hybrid polymers, TIB KAT silane-based curing compound

APPLICATIONS

TIB KAT 423 is widely used in the curing of 1K silyl-terminated polymer adhesives and sealants.
TIB KAT 423 is included in RTV silicone formulations to accelerate crosslinking and curing under ambient conditions.
TIB KAT 423 is employed in construction and automotive sealants for its fast skin formation and high final strength.

TIB KAT 423 is suitable for moisture-curing hybrid systems in industrial and flooring adhesives.
TIB KAT 423 is used in weatherproof sealants, facade adhesives, and structural glazing formulations.
TIB KAT 423 is compatible with filled, pigmented, and transparent systems.

TIB KAT 423 supports compliance with low-VOC and low-toxicity requirements.
It is effective in both tin-based and tin-alternative formulations.
TIB KAT 423 allows for long open times with consistent through-cure behavior.

TIB KAT 423 is used as a catalyst in the polymerization of olefins, particularly in the production of high-density polyethylene (HDPE) and polypropylene, enabling the creation of polymers with high molecular weight and superior properties.
TIB KAT 423 is employed in the production of specialty thermoplastic elastomers, where it helps to control the polymerization process, ensuring flexibility and durability in the final product.

TIB KAT 423 is used in the synthesis of engineering plastics, where it facilitates the polymerization of monomers, providing materials with enhanced mechanical strength, heat resistance, and chemical stability.
TIB KAT 423 is applied in the production of polymeric coatings, where it ensures the polymerization of resin formulations, enhancing the performance, adhesion, and durability of the coating.
TIB KAT 423 is employed in the production of copolymers, where it enables precise control over the polymerization of different monomers, resulting in materials with custom-tailored properties for specific applications.

TIB KAT 423 is used in the formulation of packaging materials, where it helps create polymers that are durable, lightweight, and resistant to environmental stressors such as moisture and UV exposure.
TIB KAT 423 is used in the manufacture of synthetic rubber, where it plays a crucial role in the polymerization of monomers like butadiene and styrene, producing rubbers with excellent elasticity and wear resistance.

TIB KAT 423 is employed in the production of biodegradable polymers, where it aids in polymerizing renewable feedstocks, leading to the development of sustainable materials with environmentally friendly properties.
TIB KAT 423 is used in the synthesis of polyolefin-based fibers, where it ensures consistent polymerization to produce fibers with high tensile strength and durability, suitable for textiles and industrial applications.

TIB KAT 423 is applied in the development of high-performance composites, where it aids in the polymerization of matrix resins, improving the strength and stiffness of reinforced materials used in aerospace and automotive industries.
TIB KAT 423 is employed in the manufacture of foamed materials, where it helps produce lightweight polymers with excellent insulation properties, ideal for use in packaging and construction applications.

TIB KAT 423 is used in the production of thermoplastic polyurethanes (TPUs), where it facilitates polymerization to create materials with high flexibility, strength, and resistance to abrasion.
TIB KAT 423 is applied in the formulation of thermoplastic vulcanizates (TPVs), where it helps produce materials that combine the properties of both rubber and plastic, offering flexibility and processability for automotive and industrial uses.

TIB KAT 423 is employed in the production of high-strength plastic films, where it aids in polymerizing resins that provide superior barrier properties and enhanced durability for food packaging and other applications.
TIB KAT 423 is used in the manufacturing of engineering materials that require high resistance to chemicals, where it contributes to the polymerization of materials with strong chemical inertness.

TIB KAT 423 is used in the development of polymeric adhesives, where it facilitates the polymerization of monomers to produce strong, durable adhesives for industrial and consumer applications.
TIB KAT 423 is employed in the production of automotive parts, where it helps produce polymers with the required strength, heat resistance, and flexibility for use in components such as bumpers and interior trims.

TIB KAT 423 is applied in the formulation of water-based coatings, where it enables the polymerization of resins, ensuring that the final coating is smooth, durable, and resistant to wear and corrosion.
TIB KAT 423 is used in the production of electronic components, where it aids in the synthesis of polymers used in the insulation of wires, cables, and other electrical applications.

TIB KAT 423 is employed in the production of nonwoven fabrics, where it helps polymerize the resin to produce materials that are strong, flexible, and suitable for use in hygiene products and medical applications.
TIB KAT 423 is used in the production of high-performance insulation materials, where it helps create polymers that provide excellent thermal resistance and electrical insulation properties.

TIB KAT 423 is applied in the development of high-performance composites for the construction industry, where it helps create polymers that provide strength, durability, and resistance to environmental conditions.
TIB KAT 423 is employed in the production of polymeric materials for consumer electronics, where it helps ensure the creation of components that are durable, lightweight, and heat resistant.

TIB KAT 423 is used in the development of specialty packaging materials, where it helps polymerize resins to create materials that are not only strong but also lightweight and cost-effective.
TIB KAT 423 is applied in the production of high-strength membranes, where it aids in the polymerization process to produce materials used in filtration and separation technologies.
TIB KAT 423 is used in the production of polymeric foams, where it helps generate lightweight and insulating materials used in the automotive, construction, and packaging industries.

TIB KAT 423 is employed in the production of coatings for metal surfaces, where it helps produce durable, protective coatings that prevent corrosion and wear.
TIB KAT 423 is used in the production of polymeric materials for medical devices, where it ensures the creation of biocompatible materials for implants, medical tubing, and other healthcare applications.

TIB KAT 423 is applied in the synthesis of materials used in renewable energy applications, where it helps create polymers with properties suited for solar panels, wind turbines, and energy storage systems.
TIB KAT 423 is used in the formulation of specialty coatings for textiles, where it helps create coatings that enhance the fabric's durability, water resistance, and UV protection.

DESCRIPTION

TIB KAT 423 is a clear to slightly yellow liquid with a mild odor and low viscosity.
TIB KAT 423 is a functional organotin-silane complex that catalyzes hydrolysis and condensation of alkoxysilane groups.
TIB KAT 423 offers rapid skin-over time and short tack-free times in moisture-curing systems.

TIB KAT 423 enables ambient curing without external heat or additives.
TIB KAT 423 enhances adhesion, flexibility, and mechanical performance in hybrid sealant and coating formulations.
TIB KAT 423 is shelf-stable and resistant to hydrolysis under normal storage and handling conditions.

TIB KAT 423 meets industrial performance requirements while reducing worker exposure and environmental impact.
TIB KAT 423 is compatible with common polyether, polyurethane, and silicone hybrid backbones.

Its performance remains consistent in both low and high humidity environments.
TIB KAT 423 is a titanium-based catalyst widely used in the polymerization of olefins such as ethylene and propylene, helping to produce high-performance polymers with superior strength and flexibility.

TIB KAT 423 is a highly efficient catalyst that allows for precise control over the polymerization process, enabling the production of polymers with tailored properties such as high molecular weight and excellent heat resistance.
TIB KAT 423 is a stable and robust catalyst that facilitates the polymerization of monomers to produce a wide range of thermoplastic materials, elastomers, and specialty copolymers for diverse industrial applications.

TIB KAT 423 is used to create polymers that exhibit excellent mechanical strength, durability, and resistance to environmental stress, making it ideal for industries such as automotive, packaging, and electronics.
TIB KAT 423 is known for its ability to polymerize olefins with high precision, resulting in polymers with consistent quality and performance, which are crucial for demanding industrial applications.
TIB KAT 423 is commonly employed in the production of high-density polyethylene (HDPE) and polypropylene, two of the most widely used polymers in the manufacturing of packaging materials, automotive parts, and household products.

PROPERTIES

Chemical Formula: Proprietary (dioctyltin-silane blend)
Molecular Weight: Variable
Common Name: TIB KAT 423
Appearance: Clear to slightly yellow liquid
Odor: Mild, characteristic
Solubility: Soluble in organic solvents; immiscible in water
Viscosity: Low to moderate
Density: Approx. 1.1 g/cm³
Flash Point: >100°C
Reactivity: Fast-curing with alkoxysilanes
Stability: Stable under dry, sealed conditions
Storage Temperature: 10–30°C
Shelf Life: 12–18 months in sealed packaging

FIRST AID

Inhalation:
Move to fresh air.
Seek medical attention if respiratory symptoms occur.

Skin Contact:
Wash with soap and water.
Remove contaminated clothing.
Get medical help if irritation develops.

Eye Contact:
Flush with water for at least 15 minutes.
Seek medical attention if irritation persists.

Ingestion:
Rinse mouth.
Do not induce vomiting.
Seek immediate medical assistance.

Note to Physicians:
Treat symptomatically.
Low systemic toxicity expected.

HANDLING AND STORAGE

Handling:
Use gloves and eye protection.
Avoid inhalation of vapors or contact with skin and eyes.
Ensure proper ventilation during use.

Spill and Leak Procedures:
Contain and absorb with inert material.
Dispose of in accordance with local environmental regulations.

Storage:
Store in a cool, dry, and well-ventilated area in tightly closed containers.
Protect from moisture, heat, and direct sunlight.
Label clearly and follow FIFO (first-in, first-out) rotation.

Handling Cautions:
Avoid moisture contamination to maintain reactivity.
Use clean dispensing tools to prevent catalyst degradation.