TIB KAT 618

TIB KAT 618 is also suitable for adhesive and sealant applications.
TIB KAT 618 is a zinc-based catalyst, chemically identified as zinc 2-ethylhexanoate, that is used to accelerate curing and crosslinking reactions in polymer and coating systems.
TIB KAT 618 functions as an organometallic coordination compound in which zinc ions are bonded to 2-ethylhexanoate ligands, providing controlled catalytic activity.

CAS Number: 85203-81-2
Molecular Formula: C16H30O4Zn
Molecular Weight: 351.797
EINECS Number: 286-272-3

Synonyms: Zinc 2-ethylhexanoate, Zinc bis(2-ethylhexanoate), Zinc 2-ethylhexoate, Zinc di(2-ethylhexanoate), Zinc(II) 2-ethylhexanoate, zinc(ii) 2-ethylhexanoate, zinc;2-ethylhexanoate, Ethylhexanoic acid zinc salt, Hexanoic acid 2-ethyl zinc salt, Hexanoic acid 2-ethyl zinc salt (2:1), Hexanoic acid 2-ethyl zinc salt basic, ZINC BIS(2-ETHYLCAPROATE), ZINC .ALPHA.-ETHYLHEXANOATE, Zinc hex-cem, MELLITE 103, ZINC HEX-CEM, LT0051, CXZN040, UNII-3J848924K5, EINECS 205-251-1, EINECS 286-272-3, EC 205-251-1, EC 286-272-3, CAS-136-53-8, CAS-85203-81-2, MFCD00053316, DTXSID5027065, DTXCID507065, RefChem:1101140, SCHEMBL15054, AKOS025311032, DB-257291, NS00079226, Q27257289, Zinc(II) 2-ethylhexanoate ~80% in mineral spirits, Hexanoic acid, 2-ethyl-, zinc salt, basic;Einecs 286-272-3

TIB KAT 618 is an effective catalyst. 
TIB KAT 618 exhibits a lower activity offering longer pot life in 2K systems. 
TIB KAT 618 is suitable for various applications in the catalysis of polyurethane systems.

TIB KAT 618 is typically supplied as a liquid solution in mineral spirits or similar solvents to ensure easy incorporation into formulations.
TIB KAT 618 belongs to the family of metal carboxylate catalysts that are widely used in polyurethane, alkyd, and silicone chemistry.
Its catalytic performance is based on the Lewis acidic nature of zinc, which promotes reactions such as esterification, transesterification, and isocyanate crosslinking.

Compared to more reactive metal catalysts, it offers balanced activity with good control over reaction speed and final material properties.
TIB KAT 618 is commonly used as a catalyst in polyurethane coatings, sealants, and adhesives.
It improves curing efficiency, crosslink density, and mechanical performance of the final polymer network.

TIB KAT 618 is also applied in alkyd resins, silicone systems, and moisture-curing formulations to enhance drying and hardening behavior.
TIB KAT 618 may cause skin and eye irritation upon direct contact, especially during prolonged exposure.
Inhalation of vapors or aerosols from solvent-containing formulations may cause respiratory irritation in poorly ventilated environments.

Proper personal protective equipment, adequate ventilation, and correct disposal practices are recommended to minimize health and environmental risks.
TIB KAT 618 provides controlled catalytic activity that allows uniform and predictable curing behavior in reactive resin systems.
Its zinc-based chemistry reduces the risk of overly rapid gelation while still ensuring efficient crosslink formation.

This balance is especially important in formulations that require sufficient pot life and good processing stability.
The catalyst shows good compatibility with a wide range of polyols, isocyanates, and resin matrices.
It can be used in both solvent-based and solvent-free systems without significant loss of activity.

This versatility makes TIB KAT 618 suitable for diverse industrial coating and adhesive applications.
TIB KAT 618 is also valued for its low tendency to cause discoloration or yellowing in cured materials.

Compared to some alternative metal catalysts, it provides improved color stability and long-term appearance.
These properties are important for clear coatings, decorative finishes, and high-quality surface applications.

Density: 1.2[at 20℃]
vapor pressure: 4Pa at 20℃
Water Solubility: 3.221g/L at 20℃

TIB KAT 618 contributes to improved mechanical performance of cured polymer systems by promoting uniform crosslink distribution.
This results in coatings and adhesives with enhanced hardness, flexibility balance, and chemical resistance.
Such performance improvements are critical for long-term durability in demanding service conditions.

The catalyst is often selected for moisture-curing and ambient-curing formulations where controlled reaction rates are required.
It supports reliable curing even under variable humidity and temperature conditions.
This makes TIB KAT 618 suitable for on-site applications and large-area coatings.

In industrial processing, TIB KAT 618 offers good storage stability and consistent catalytic performance over time.
It maintains activity without significant degradation when stored under recommended conditions.
These characteristics help ensure reproducible results and stable product quality in large-scale manufacturing.

TIB KAT 618 is Butylhydroxyoxostannane catalyst used in various esterification reactions in the chemicals industry.
TIB KAT 618 is frequently chosen in formulations where a balance between reactivity and processing window is critical.
It allows sufficient open time for application while still achieving complete curing within practical timeframes.

This controlled behavior supports efficient manufacturing and high-quality end products.
The zinc carboxylate structure of TIB KAT 618 provides selective catalytic action without strongly promoting unwanted side reactions.
This selectivity helps maintain formulation stability and prevents premature viscosity increase during storage or application.

As a result, it is well suited for complex multi-component systems.
In environmentally conscious formulations, TIB KAT 618 is often used as an alternative to more toxic or highly reactive metal catalysts.
Its zinc-based composition is generally regarded as having a more favorable environmental and regulatory profile.

This makes it attractive for use in modern coatings, sealants, and adhesives designed to meet stricter safety and sustainability requirements.
TIB KAT 618 Butylhydroxyoxostannane is a liquid catalyst based on a monobutyltin derivative

TIB KAT 618, also called Butylhydroxyoxostannane, is a a Versatile Catalyst for Esterification, Transesterification and Polycondensation Reactions.
TIB KAT 618 Butylhydroxyoxostannane is a highly efficient organic tin kind of esterification catalyst widely used in synthetic production powder coating coil coating of saturated resin and it is applicable for esterification and polycondensation reactions.

Uses Of TIB KAT 618:
TIB KAT 618 is widely used as a catalyst in polyurethane coatings, sealants, and adhesives.
It accelerates crosslinking reactions between polyols and isocyanates, leading to efficient curing and improved mechanical strength.
This makes it suitable for industrial, automotive, and protective coating applications.

The catalyst is also applied in alkyd resin systems to promote oxidative drying and hardening.
It enhances film formation, surface hardness, and drying speed while maintaining good color stability.
These properties are important for decorative and industrial paint formulations.

TIB KAT 618 is further used in silicone and moisture-curing systems to support controlled curing under ambient conditions.
It provides reliable catalytic activity even at room temperature and varying humidity levels.
This enables its use in construction sealants, elastomers, and specialty polymer formulations.

TIB KAT 618 is used in two-component polyurethane adhesive systems to control reaction rate and bonding performance.
It enables strong adhesion to a wide range of substrates including metals, plastics, wood, and composites.
This makes it suitable for structural and semi-structural bonding applications.

The catalyst is applied in elastomer formulations to improve curing uniformity and mechanical resilience.
It supports balanced elasticity, tensile strength, and abrasion resistance in the final material.
These properties are important for flexible coatings, gaskets, and vibration-damping components.

TIB KAT 618 is also used in specialty resin systems for industrial flooring and protective linings.
It promotes thorough curing in thick or highly filled systems where reaction control is critical.
This ensures durable, chemically resistant surfaces for industrial and commercial environments.

TIB KAT 618 is used in clear and pigmented coating systems where controlled curing and color stability are required.
It supports uniform film formation without causing haze, discoloration, or surface defects.
This makes it suitable for high-quality decorative and protective finishes.

The catalyst is also applied in wood coatings and varnishes to improve drying speed and hardness development.
It enables efficient curing while preserving flexibility and resistance to cracking.
These properties are important for furniture, flooring, and architectural wood applications.

In specialty chemical manufacturing, TIB KAT 618 is used as a process catalyst in esterification and transesterification reactions.
It provides moderate catalytic activity with good selectivity and thermal stability.
This allows controlled reaction conditions and consistent product quality in industrial synthesis.

TIB KAT 618 is used in one-component moisture-curing polyurethane systems to ensure reliable curing after application.
It activates cross-linking upon exposure to ambient moisture and supports consistent hardening throughout the material.
This application is common in sealants, coatings, and adhesives used in construction and repair.

The catalyst is applied in composite manufacturing to promote curing of resin matrices in fiber-reinforced systems.
It helps achieve uniform crosslink density and improved mechanical performance of the composite structure.
These properties are important for lightweight and high-strength components in industrial and engineering applications.

TIB KAT 618 is also used in specialty inks and coating formulations where controlled reaction kinetics are essential.
It enables predictable curing without compromising shelf life or application stability.
This makes it suitable for advanced industrial formulations requiring precise performance control.

Safety Profile Of TIB KAT 618:
TIB KAT 618 may cause skin and eye irritation upon direct or prolonged contact due to the presence of zinc carboxylate compounds and organic solvents.
Symptoms can include redness, itching, or discomfort, particularly during handling of liquid formulations.
Protective gloves and eye protection should be used to minimize contact.

Inhalation of vapors or aerosols may lead to respiratory irritation, especially in poorly ventilated areas.
Exposure to solvent fumes can cause coughing, headache, or dizziness at elevated concentrations.
Adequate ventilation and appropriate respiratory protection are recommended during industrial use.

The product may pose environmental risks if released in large quantities.
Zinc-containing compounds can be harmful to aquatic organisms and may cause long-term effects in water systems.
Proper storage, spill control, and disposal in accordance with local regulations are necessary to reduce environmental impact.