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 used in curing 1K silyl-terminated polymer adhesives and sealants.
TIB KAT 423 is applied in RTV silicone formulations to accelerate crosslinking and ambient curing.
TIB KAT 423 is utilized in construction and automotive sealants for fast skin-over 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.
TIB KAT 423 is compatible with filled, pigmented, and transparent systems.

TIB KAT 423 supports low-VOC and low-toxicity formulations.
TIB KAT 423 is effective in both tin-based and tin-reduced systems.
TIB KAT 423 allows long open times while ensuring rapid through-cure behavior.

TIB KAT 423 is used in the production of medical-grade memory foams for hospital bedding and orthopedic supports.
TIB KAT 423 is employed in the fabrication of soft foam layers for bicycle saddles and sports equipment.

TIB KAT 423 is applied in soundproofing foams for cinema and studio acoustic insulation panels.
TIB KAT 423 is used in dual-layer mattress production, combining soft and firm foam layers for ergonomic support.

TIB KAT 423 is utilized in flexible foams for children’s safety products such as car seats and protective cushions.
TIB KAT 423 is used in marine seating foams where moisture resistance and flexibility are required.

TIB KAT 423 is applied in headliner foam systems for vehicle interiors to reduce noise and improve aesthetics.
TIB KAT 423 is used in anti-fatigue mat foams for workplaces requiring long-standing hours.
TIB KAT 423 is employed in leisure product foams, such as camping mattresses and inflatable loungers.

TIB KAT 423 is used in home decor applications like cushioned wall panels and upholstered furniture.
TIB KAT 423 is utilized in automotive door panel foams for better tactile feel and crash absorption.

TIB KAT 423 is used in gym and fitness equipment padding for shock absorption and comfort.
TIB KAT 423 is applied in the production of flexible foams for noise barriers in industrial environments.

TIB KAT 423 is used in mattress toppers made of memory foam for additional comfort and body contouring.
TIB KAT 423 is employed in flexible foam composites for lightweight structural applications in transportation.

TIB KAT 423 is used in packaging inserts for high-end electronics and fragile goods.
TIB KAT 423 is applied in foamed upholstery for cinema and stadium seating, ensuring long-term performance.

TIB KAT 423 is used in ergonomic design furniture such as contoured chairs and posture-supporting cushions.
TIB KAT 423 is utilized in soft-touch dashboard foams for luxury vehicle interiors.
TIB KAT 423 is used in flexible cushioning foams for custom footwear and orthotics.

TIB KAT 423 is employed in leisure product foams like yoga blocks and exercise mats.
TIB KAT 423 is used in flexible foam panels for floating floors, improving acoustic insulation.

TIB KAT 423 is applied in the production of thermal insulation foams for specialty apparel.
TIB KAT 423 is used in flexible foam protective headgear for sports safety applications.

TIB KAT 423 is utilized in automotive under-seat insulation foams for thermal and acoustic management.
TIB KAT 423 is used as a catalyst in the production of flexible polyurethane foams, enhancing reactivity and foam quality.
TIB KAT 423 is employed in slabstock foam production for bedding and furniture cushioning.

TIB KAT 423 is applied in high-resilience (HR) foam systems to improve elasticity and support.
TIB KAT 423 is used in molded flexible foam manufacturing for automotive seating and trim parts.

TIB KAT 423 is utilized in viscoelastic memory foam systems to control recovery time and foam softness.
TIB KAT 423 is used in producing open-cell flexible foams with enhanced breathability.

TIB KAT 423 is employed in low-VOC foam systems to meet strict indoor air quality standards.
TIB KAT 423 is applied in flame-retardant flexible foam formulations for improved fire safety.

TIB KAT 423 is used in flexible foams for ergonomic seating and office furniture.
TIB KAT 423 is utilized in shoe sole foams for improved comfort and durability.
TIB KAT 423 is used in the production of carpet underlay foams for residential and commercial use.

TIB KAT 423 is employed in vibration-damping flexible foams for industrial applications.
TIB KAT 423 is applied in lightweight packaging foams for protective cushioning of sensitive products.

TIB KAT 423 is used in headrest, armrest, and interior trim foam parts for automotive applications.
TIB KAT 423 is utilized in sports padding and protective gear foams requiring flexibility and impact resistance.

TIB KAT 423 is used in dual-hardness automotive seating foams for zone-specific comfort.
TIB KAT 423 is applied in flexible insulation foams for noise and thermal control in automotive and building applications.

TIB KAT 423 is used in continuous foam sheet production lines for furniture and mattress industries.
TIB KAT 423 is utilized in low-density foam systems for lightweight cushioning products.
TIB KAT 423 is used in orthopedic foam products for medical bedding and seating.

TIB KAT 423 is applied in sound-absorbing foam panels for acoustic insulation.
TIB KAT 423 is used in memory foam pillow and mattress production for enhanced pressure relief.

TIB KAT 423 is employed in flexible foams for theater and auditorium seating.
TIB KAT 423 is used in flexible foam formulations for gym mats and exercise padding.
TIB KAT 423 is utilized in UV-stable flexible foams for outdoor furniture and applications.

TIB KAT 423 is used in medical support foams for anti-decubitus products.
TIB KAT 423 is applied in toy and leisure foam products requiring soft-touch properties.

TIB KAT 423 is used in flexible foams for exhibition and transport case inserts.
TIB KAT 423 is employed in protective packaging foams for electronic goods.

TIB KAT 423 is used in low-odor flexible foam systems to improve user comfort in confined spaces.
TIB KAT 423 supports low-VOC and low-odor foam production, meeting regulatory requirements for emissions.
TIB KAT 423 improves foam comfort and resilience, making it suitable for premium furniture and bedding.

TIB KAT 423 is typically dosed at 0.05 to 0.3 parts per 100 parts polyol depending on desired reactivity and foam properties.
TIB KAT 423 is widely used in automotive, furniture, bedding, and specialty flexible foam markets where consistency and performance are key.

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 the hydrolysis and condensation of alkoxysilane groups.
TIB KAT 423 offers rapid skin-over and tack-free times in moisture-curing systems.

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

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

TIB KAT 423 is a highly active polyurethane catalyst formulated for flexible foam production.
TIB KAT 423 promotes balanced blowing and gelling reactions, allowing fine control over foam rise and structure.

TIB KAT 423 appears as a clear to slightly yellow liquid, ensuring ease of dosing and processing.
TIB KAT 423 enhances foam breathability by producing fine, open-cell foam structures.

TIB KAT 423 is compatible with both polyether and polyester polyols used in flexible foam formulations.
TIB KAT 423 provides stable reactivity even under varying environmental conditions.

PROPERTIES

Chemical Nature: Dioctyltin-silane complex
Common Name: TIB KAT 423
Appearance: Clear to slightly yellow liquid
Odor: Mild, characteristic
Density: Approx. 1.1 g/cm³
Viscosity: Low to moderate
Solubility: Soluble in organic solvents; immiscible in water
Flash Point: >100°C
Reactivity: Fast-curing with alkoxysilane groups
Stability: Stable under dry, sealed conditions
Storage Temperature: 10–30°C
Shelf Life: 12–18 months unopened

FIRST AID

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

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

Eye Contact:
Flush with water for at least 15 minutes.
Remove contact lenses if easy to do.
Seek medical attention if irritation persists.

Ingestion:
Rinse mouth thoroughly.
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 tightly closed in a cool, dry, well-ventilated area.
Protect from moisture, heat, and direct sunlight.
Use clean dispensing tools to prevent contamination.