Polyurethane Chemicals

Foaming Amine Catalyst A1 (Amine A1) – High-Activity Polyurethane Catalyst

A1 is a highly active polyurethane catalyst designed for efficient foam formation across a wide range of PU applications, particularly in flexible foams that require high permeability and are challenging to process. It accelerates gas generation during the curing phase, enabling the formation of stable and consistent foam structures.

Key Benefits:

Enhanced Cell Uniformity: Promotes smoother surfaces and consistent foam texture, minimizing defects and waste.
Superior Mechanical Strength: Improves polymer crosslinking, resulting in durable and long-lasting foams.
Optimized Thermal Insulation: Precisely controlled cell structures enhance heat retention, ideal for insulation-grade applications.

Applications:

Rigid PU Foams – For thermal insulation in appliances and construction
Flexible Foams – Used in mattresses, cushions, and comfort products
Spray Foams – For sealing, bonding, and insulation in HVAC and construction

Temperature Control:

Maintain component temperatures around 25°C before mixing to ensure optimal reaction rates and foam properties.

Storage Guidelines:

Store A1 catalyst in tightly sealed containers, away from moisture and direct sunlight. Avoid prolonged exposure to humid conditions, as it may lead to hydrolysis and reduced catalytic efficiency.

Versatility Across Industries:

Industry	Application	Key Benefits
Construction	Roofing insulation, wall panels	Energy efficiency, durability
Automotive	Seat cushions, dashboards, headliners	Lightweight design, comfort
Electronics	Encapsulation, gaskets	Shock absorption, thermal management
Renewable Energy	Wind blade cores, solar panel housings	Structural integrity, weather resistance

Foam Hardeners – Enhancing PU Foam Strength and Durability

Foam hardeners are additives in polyurethane (PU) foam formulations, primarily used to increase load-bearing capacity and hardness—especially in furniture and bedding applications such as mattresses. They play a critical role in improving foam firmness, structure, and longevity.

Key Applications:

Furniture & Bedding: Enhances firmness and support in mattresses, cushions, and upholstered seating.
Automotive: Used in rigid foam parts like dashboards, door panels, and structural inserts for added strength.
Construction: Improves dimensional stability and environmental resistance in insulation and sealing foams.

Benefits:

Boosts foam hardness and structural integrity
Increases foam durability under load
Supports application-specific performance across industries

Safety Precautions:

Always wear appropriate personal protective equipment (PPE) and follow the manufacturer’s handling and usage guidelines for safe application.

Amine 33 Catalyst (A-33) – High-Performance PU Catalyst

Amine 33 (A-33) is a highly active, tertiary amine catalyst composed of 33% triethylene diamine and 67% dipropylene glycol. This colorless to amber liquid is widely used in the production of polyurethane (PU) foams, especially flexible, rigid, microporous, and high-resilience foams, as well as coatings and CASE applications.

Key Features:

Promotes Urethane Reaction: Enhances polyol-isocyanate reactivity in foam systems.
Low Emission Profile: Ideal for eco-friendly, low-VOC polyurethane foam production.
Excellent Compatibility: Does not impact foam elongation, compression, or hardness.
High Activity: Supports uniform foam quality and improved physical properties.

Applications:

A-33 is ideal for use in:
Flexible PU foams
Rigid PU foams
High-resilience foams
Microporous foams
PU coatings and CASE systems

Safety Instructions:

Avoid inhalation of vapors and mists.
Upon eye or skin contact, wash with water promptly and seek medical guidance.
If ingested, rinse mouth thoroughly and consult a physician.
Always wear appropriate protective clothing and consult the product’s MSDS before use.

Handling & Storage:

Store in sealed containers away from heat, moisture, and direct sunlight in a ventilated area.
Avoid exposure to any foreign substance, sunlight, and humidity
Follow proper industrial hygiene practices during handling.
In case of any spillage, absorb with inert material and dispose of according to local regulations. Prevent release into water systems.

Stannous Octoate T9 – High-Efficiency PU Catalyst

Stannous Octoate (T9) is a high-purity, light yellow oily liquid widely used as a key catalyst in the production of polyurethane (PU) foam. It plays a crucial role in gel reactions and is essential for manufacturing PU foams, elastomers, and coatings.

Key Features:

Consistent Quality: High purity ensures stable catalytic performance and uniform foam structure.
Fast & Efficient Reaction: Enhances foam elasticity, density, and durability.
Eco-Friendly: Compliant with environmental standards for sustainable production.
Versatile Use: Ideal for furniture, mattresses, automotive seating, and more.

Applications:

Furniture & Mattresses: Improves foam production for cushions and bedding.
Footwear: Enables faster and more consistent foam production for insoles and padding.
Sports Equipment: Boosts comfort and resilience in foam-based sports gear.

Storage:

Store in airtight containers away from moisture, heat, and contamination.

Silicone Surfactant (Silicone Polyethers)

Silicone polyethers, commonly referred to as silicone surfactants, are multifunctional additives widely utilized across industries. They act as emulsifiers, foaming agents, solubilizers, and softeners, while also enhancing leveling, slip, and mar resistance in coating formulations.

Key Benefits of Silicone Surfactants:

Superior Surface Tension Reduction – Improves application performance
Exceptional Wetting Ability – Ensures better spreading on various surfaces
Foam Control – Offers both antifoaming and foam-stabilizing properties
Low Toxicity – Safe for personal care and pharmaceutical use
High Emulsification Efficiency – Compatible with diverse media

Industry Applications:

Personal Care & Cosmetics: Ideal for creams, shampoos, and skincare due to their gentle, non-irritating nature and excellent compatibility.

Textile Processing: Used for softening, antistatic effects, and sanitization, particularly in cationic formulations.

Agricultural Chemicals: Enhance pesticide spread, adhesion, and penetration, improving overall effectiveness on plant surfaces.

Food & Pharmaceuticals: Serve as food-grade defoamers and processing aids in medical formulations.

Leather Finishing: Function as fat liquors and softeners, improving dispersion, lubrication, and finish in leather treatment.

Metalworking & Cleaning: Provide efficient cleaning action in metal manufacturing and maintenance.

Plastics & Polyurethane Foams: Play a crucial role in PU foam production as stabilizers and flame-retardant additives.

Tajchem’s silicone surfactants are produced using cost-effective raw materials and gentle processing methods, offering consistent quality and performance across a wide range of industrial applications.

Methylene Chloride (MCL / Dichloromethane / DCM)

Methylene Chloride, also known as Dichloromethane (DCM), is a colorless, transparent organic solvent with the chemical formula CH₂Cl₂. It has a strong, ether-like odor and is slightly soluble in water, ethanol, and ether. Due to its low boiling point and non-flammable nature, MCL is often used as a safer alternative to more flammable solvents such as petroleum ether.

At elevated temperatures and high vapor concentrations, MCL may form weakly combustible gas mixtures. It is valued for its versatility and is widely used in polyurethane foam production and other industrial processes.

Role in Polyurethane Foam Production:

MCL is a key blowing agent in the manufacturing of flexible PU foams, especially in applications such as mattresses, cushions, and padding. It vaporizes quickly when mixed with components like polyol and isocyanate, generating gas bubbles that expand and cure to form foam structures.

Applications:

Intermediate for pharmaceutical manufacturing
Solvent in the production of vitamins, antibiotics, film materials, and aerosols
Used as a paint remover and metal degreaser
Component in plastic welding adhesives
Solvent in PVC cement formulations
Applied in the synthesis of flame-retardant compounds and fine chemicals

Industries Served:

Pharmaceuticals – as a reaction medium
Adhesives & Plastics – for bonding and welding
Agrochemicals – in pesticide and herbicide formulations
Food & Beverage – used in decaffeination of coffee and tea
Film & Printing – solvent in film coatings and ink production
Metalworking – as a degreasing agent and mold release

Handling & Safety Precautions:

In case of fire, use foam, dry powder, steam, or water spray to extinguish
It is recommended to use goggles and gloves while interacting and avoid skin or eye contact
In case of exposure:

Eyes: Rinse immediately with plenty of water

Skin: Wash thoroughly with soap and water

Storage Guidelines:

Store at 10–30°C in a cool, dry, and well-ventilated space
To prevent moisture absorption, keep the containers tightly sealed
Ideal processing temperature: 10–15°C

Pre Polymeric MDI

Prepolymers are reactive intermediates used in polymer manufacturing. They remain soluble and meltable, making them ideal for controlled processing. Polyurethanes can be produced through:

One-step method: Direct reaction of a polyol with a polyisocyanate

Two-step method: Formation of a prepolymer followed by chain extension to form the final polymer

Key Applications:

Cast polyurethane components
Rigid and semi-rigid foams
Flexible polyurethane foams

Common Uses Across Industries:

Insulation: Used in rigid polyurethane foams for thermal insulation in buildings, refrigerators, cold storage units, and refrigerated transport.
Construction: Used in insulated panels, pre-insulated pipes, and as a binder in engineered wood products such as particleboard and fiberboard.
Refrigeration: Essential for thermal insulation in household and commercial refrigeration systems.
Automotive: Used in seating, dashboards, headliners, and as a binder for composite parts.
Coatings, Adhesives, Sealants, and Elastomers (CASE): Ideal for coatings, adhesives, sealants, and elastomers, offering weather resistance, strength, and durability.
Footwear & Sports Equipment: Used in the manufacturing of footwear soles, protective gear, and sporting goods.
Binders for waste foam/Rubber Recycling: Prepolymer-based binders help convert waste foam and rubber into value-added products such as orthopedic mattresses and rubber flooring tiles.

Polymeric MDI

Polymeric MDI, or polymethylene polyphenyl isocyanates, is a liquid aromatic isocyanate commonly used in the production of rigid and semi-rigid polyurethane foams. It remains stable at ambient temperatures and is easy to store and handle down to -20°C.

Applications:

Construction panels
Spray heat insulation
Refrigerators
Car interiors
Insulations for refrigerators
Container transport
Insulation panels for construction
LNG carriers
Pre-insulated pipes
Board foam
Wood imitation
Spray insulations
Auto instrumental panel
Rigid and flexible foam
Foundry resin sand binders
Heat insulating material

Other Common Uses:

Paints
Adhesives
Sealants
Structural foams
Microcellular integral skin foams
Automotive bumper and interior parts
High-resilience foams
Synthetic wood
Thermal insulation rigid foam
PU coating
PU adhesive
Seepage-proofing
Structure foam
Automobile bumper

Storage Guidelines:

Store in sealed and dry containers
Ideal storage temperature: 15–35°C
Protect from frost (avoid temperatures below 5°C) to prevent crystallization
Maintain in a well-ventilated indoor area

Safety & Handling:

During handling, it is recommended to use a mask, gloves, and goggles

Emergency Response:

Skin Contact: Use soap & water. Wash thoroughly
Eye Contact: Rinse immediately with water for approximately 15 minutes
Inhalation: In case of inhalation, it is advised to move to fresh air, provide oxygen, or perform CPR

TDI 80/20 – Toluene Diisocyanate

TDI 80/20 is a liquid aromatic isocyanate composed of 80% 2,4-Toluene Diisocyanate and 20% 2,6-Toluene Diisocyanate. It appears as a clear to pale yellow liquid with a pungent odor and is known for its high reactivity. TDI 80/20 is a key raw material in the formulation of flexible polyurethane foams and non-foam urethane systems.

Primary Applications:

Flexible polyurethane foams
High-resilience and high-load foams
Semi-rigid ester-based foams
Molding foams
Elastomers and synthetic leather

End-Use Industries:

TDI 80/20 plays an important role in the production of:
Mattresses and upholstered furniture
Footwear and shoe soles
Adhesives, coatings, and hardeners
Lubricant additives
Industrial paints and protective coatings used in automotive, aerospace, and rail applications

Safe Handling & Storage:

Store in a dry and ventilated location that is safe from fire in a strongly sealed container
Avoid contact with moisture, heat sources, or open flames
Use safety equipment like eye protection, gloves, and aprons
Open containers carefully, allowing internal pressure to stabilize before fully opening

Emergency Measures:

Inhalation: Move the affected person to fresh air and seek medical attention; oxygen may be required
Skin Contact: Remove contaminated clothes and wash skin with soap and water
Eye Contact: Rinse eyes thoroughly with clean water for at least 15 minutes
Ingestion: Do not induce vomiting; drink water and get immediate medical help

Polyol 45% – Polymer Polyol with 45% Solid Content

Polyol 45%, also known as POP 45%, is a high-solid-content polymer polyol (45%) based on propylene oxide/ethylene oxide, grafted with styrene-acrylonitrile (SAN) copolymer. It is engineered for high load-bearing polyurethane applications, offering enhanced resilience and mechanical strength.

It is ideal for producing conventional and high-resilience (HR) slab stock foams with superior firmness and durability.

Key Applications:

High-resilience block flexible foam
Molded flexible foam

Typical Uses:

Mattresses & Furniture
Automotive Interiors