SETAMINE US-138

SETAMINE US-138 resin is a highly reactive, n-butylated high imino melamine crosslinker supplied in n-butanol. 
SETAMINE US-138 has a high tendency to self-condense resulting in films with high film hardness that can be adjusted based on loading.
SETAMINE US-138s hydrophobic nature improves substrate wetting, flow and leveling, and humidity and salt spray resistance making it suitable for a wide range of applications including automotive topcoats and general industrial finishes.

CAS Number: 71-36-3
Molecular Formula: C4H10O
Molecular Weight: 74.12
EINECS Number: 200-751-6

Synonyms: Propylcarbinol, Propyl carbinol, 1-Hydroxybutane, n-Butan-1-ol, 1-Butanol, 1-Butyl alcohol, Alcohol, butyl, Butyl hydroxide, Normal primary butyl alcohol, Butyric alcohol, Butyric or normal primary butyl alcohol, Propylmethanol, Methylolpropane, Butanolen, Butanolo, Alcool butylique, Butylowy alkohol, Hemostyp, FEMA No. 2178, FEMA Number 2178, RCRA waste number U031, CCS 203, NSC-62782, DTXSID1021740, alcoolbutylique(french);butanol(french);Butanol-1;Butanolen;Butanolo;butanols;butylalcohol(non-specificname);Butylowy alkohol

SETAMINE US-138 is a commercial polyamine-based curing agent and accelerator mainly used in epoxy resin systems.
SETAMINE US-138 is formulated as a low- to medium-viscosity liquid that improves curing speed and mechanical performance of epoxy coatings and adhesives.
The product name indicates a specific manufacturer grade optimized for industrial coating and flooring applications.

SETAMINE US-138 consists of reactive amine functional groups that open epoxy rings and form cross-linked polymer networks.
This crosslinking reaction is responsible for the hardening and strength development of epoxy systems.
The formulation is designed to provide balanced reactivity, good film formation, and strong adhesion to substrates.

SETAMINE US-138 typically offers good chemical resistance, mechanical strength, and durability in cured epoxy films.
SETAMINE US-138 can improve impact resistance and flexibility compared with more brittle curing agents.
It also supports curing at ambient temperatures, which is important for field-applied coatings.

SETAMINE US-138 is compatible with a wide range of epoxy resins and can be blended with other curing agents or modifiers to tailor pot life and cure speed.
It is commonly supplied as a clear to slightly yellow liquid for easy metering and mixing.
Proper stoichiometric ratio with epoxy resin is essential to achieve optimal curing performance.

SETAMINE US-138 is widely used as a curing agent or curing accelerator in epoxy floor coatings for industrial and commercial buildings.
These include warehouses, factories, laboratories, and parking structures.
SETAMINE US-138 is used in protective epoxy coatings for metal structures, pipelines, tanks, and machinery.

The cured films provide strong adhesion and chemical resistance in harsh environments.
SETAMINE US-138 is applied in epoxy adhesives and repair mortars where fast strength development and good bonding are required.
This includes concrete repair, anchoring systems, and structural bonding.

SETAMINE US-138 is used in anti-corrosion coating systems for steel and reinforced concrete.
The amine curing system improves coating durability and resistance to moisture penetration.
SETAMINE US-138 is also used in epoxy primers and intermediate coats in multilayer coating systems.

These layers enhance adhesion between substrate and topcoat.
SETAMINE US-138 contains reactive amines that can cause skin and eye irritation or burns upon contact.
Direct exposure may lead to redness, pain, and inflammation.

SETAMINE US-138 may cause skin sensitization, meaning repeated contact can lead to allergic reactions over time.
Once sensitized, even small exposures can trigger dermatitis.
Inhalation of vapors or aerosols may irritate the respiratory tract and cause coughing or breathing discomfort.

Adequate ventilation is required during mixing and application.
Ingestion is harmful and may cause serious internal irritation and chemical burns.
Accidental swallowing requires immediate medical attention.

From an environmental perspective, amine curing agents can be harmful to aquatic organisms if released in large amounts.
Spills and waste should be prevented from entering waterways and must be disposed of according to regulations.

Personal protective equipment such as chemical-resistant gloves, safety goggles, and protective clothing is required during handling.
Proper storage in tightly closed containers away from acids and oxidizers is also recommended.
SETAMINE US-138 is a commercial amine-based epoxy curing agent formulated for use in industrial coating and flooring systems.

It is supplied as a low- to medium-viscosity liquid that allows easy mixing with epoxy resins and good flow during application.
The formulation is designed to balance fast curing with sufficient working time for practical on-site use.

Chemically, it contains polyamine and modified amine functional groups that react with epoxide rings to form a three-dimensional cross-linked polymer network.
This reaction converts the liquid epoxy system into a hard, chemically resistant solid film.
The cured structure provides strong adhesion to substrates such as concrete, steel, and previously coated surfaces.

SETAMINE US-138 supports curing at ambient temperatures and does not require elevated heat to achieve full mechanical properties.
It develops early hardness and good final strength, which is important for fast return-to-service flooring and maintenance coatings.
SETAMINE US-138 also contributes to improved flexibility and impact resistance compared with very rigid amine curing systems.

Melting point: −90 °C (lit.)
Boiling point: 116–118 °C (lit.)
Density: 0.81 g/mL at 25 °C (lit.)
Vapor density: 2.55 (vs air)
Vapor pressure: 6.7 hPa (20 °C)
FEMA: 2178 | Butyl alcohol
Refractive index: n20/D 1.399 (lit.)
Flash point: 95 °F
Storage temperature: Store at +5 °C to +30 °C
Solubility: Water, soluble

SETAMINE US-138 resin is a highly reactive, n-butylated high imino melamine crosslinker supplied in n-butanol. 
SETAMINE US-138 is a colourless flammable liquid with strong alcoholic odour. 
SETAMINE US-138 is a highly refractive liquid and burns with a strongly luminous flame. 

SETAMINE US-138 is incompatible with strong acids, strong oxidising agents, aluminium, acid chlorides, acid anhydrides, copper, and copper alloys. 
SETAMINE US-138 has an extensive use in a large number of industries. 
For instance, it is used as solvent in industries associated with the manufacturing of paints, varnishes, synthetic resins, gums, pharmaceuticals, vegetable oils, dyes, and alkaloids. 

SETAMINE US-138 finds its use in the manufacture of artificial leather, rubber, plastic cements, shellac, raincoats, perfumes, and photographic films.
SETAMINE US-138 is a primary alcohol that is butane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. 
It produced in small amounts in humans by the gut microbes. 

It has a role as a protic solvent, a human metabolite and a mouse metabolite. 
SETAMINE US-138 is a primary alcohol, a short-chain primary fatty alcohol and an alkyl alcohol.
The curing agent is compatible with a wide range of bisphenol-A and bisphenol-F epoxy resins.

SETAMINE US-138 can be blended with other curing agents, accelerators, or flexibilizers to adjust pot life, cure speed, and final film properties.
Its formulation helps reduce surface defects such as blushing and poor leveling under moderate humidity conditions.
SETAMINE US-138 is widely used in epoxy floor coatings for industrial plants, warehouses, parking garages, and laboratories.

These systems require strong adhesion, abrasion resistance, and chemical durability.
SETAMINE US-138 is used in protective coatings for steel structures, storage tanks, pipelines, and processing equipment.
The cured coatings protect metal surfaces from corrosion and chemical attack.

SETAMINE US-138 is applied in epoxy repair mortars and patching compounds for concrete restoration.
Fast strength development allows earlier reopening of repaired areas.
It is used in heavy-duty anti-corrosion coating systems for marine, chemical, and infrastructure applications.

The curing system supports long-term durability in aggressive environments.
SETAMINE US-138 is used in epoxy primers and intermediate coats to improve adhesion between substrate and topcoat layers.
These layers enhance coating system lifetime and performance.

Uses Of SETAMINE US-138:
SETAMINE US-138 is used in the production of butylacetate, butyl glycol ether, and plasticizerssuch as dibutyl phthalate; as a solvent in thecoating industry; as a solvent for extractionsof oils, drugs, and cosmetic nail products;and as an ingredient for perfumes and flavor.
SETAMINE US-138 occurs in fusel oil and as aby-product of the fermentation of alcoholicbeverages such as beer or wine. 
It is presentin beef fat, chicken broth, and nonfilteredcigarette smoke (Sherman 1979).

SETAMINE US-138 is widely used as a curing agent in epoxy floor coating systems for industrial buildings, warehouses, parking garages, and production facilities.
These systems require fast curing, high abrasion resistance, and strong adhesion to concrete substrates.
SETAMINE US-138 is used in protective epoxy coatings for steel structures, tanks, pipelines, and industrial machinery.

The cured coatings provide corrosion protection and resistance to chemicals and moisture.
SETAMINE US-138 is applied in epoxy repair mortars and patching compounds for concrete floors and structural repairs.
Fast strength development allows earlier return to service of repaired areas.

SETAMINE US-138 is used in heavy-duty anti-corrosion coating systems for marine, offshore, and infrastructure applications.
The curing agent supports long-term durability under harsh environmental conditions.
SETAMINE US-138 is used in epoxy primers and intermediate coats to improve adhesion between substrates and topcoats.

These layers enhance overall coating system performance and lifespan.
SETAMINE US-138 is applied in industrial epoxy adhesives for bonding metal, concrete, stone, and composite materials.
Strong chemical bonding provides durable structural joints.

SETAMINE US-138 is used in self-leveling epoxy flooring systems that require smooth surfaces and uniform curing.
Good flow and curing balance support high-quality floor finishes.
SETAMINE US-138 is also used in specialty epoxy formulations such as chemical-resistant linings and containment coatings.

These applications require high crosslink density and chemical stability.
SETAMINE US-138 is widely used as a curing agent in industrial epoxy floor coatings for factories, warehouses, clean rooms, food processing plants, and pharmaceutical facilities.
These floors require high mechanical strength, abrasion resistance, and chemical durability.

SETAMINE US-138 is used in parking garage and ramp coatings where resistance to oil, fuel, de-icing salts, and moisture is required.
Fast curing helps reduce downtime and allows quicker reopening to traffic.
SETAMINE US-138 is applied in protective coatings for steel structures such as bridges, storage tanks, silos, and pipelines.

The cured epoxy layers provide long-term corrosion protection in aggressive environments.
SETAMINE US-138 is used in marine and offshore coating systems for ship decks, platforms, and coastal infrastructure.
The curing agent supports resistance to saltwater, humidity, and temperature fluctuations.

SETAMINE US-138 is used in epoxy primers for concrete and metal to improve adhesion and seal porous surfaces.
This ensures strong bonding of subsequent coating layers.
SETAMINE US-138 is incorporated into epoxy repair mortars and grouts for anchoring bolts, filling cracks, and structural repairs.

Rapid strength gain allows early loading of repaired components.
It is used in industrial epoxy adhesives for bonding concrete, steel, stone, and composite materials.
These adhesives are used in construction, equipment assembly, and maintenance operations.

SETAMINE US-138 is applied in chemical-resistant linings for containment areas, bunds, and process vessels.
These linings protect substrates from acids, alkalis, solvents, and industrial chemicals.
SETAMINE US-138 is used in self-leveling and decorative epoxy flooring systems for commercial and public spaces.

Good flow and curing control help achieve smooth, aesthetically pleasing surfaces.
SETAMINE US-138 is also used in specialized epoxy systems for electrical insulation, tooling, and mold repair.
The cured material provides mechanical stability and electrical resistance where needed.

Safety Profile Of SETAMINE US-138:
SETAMINE US-138 contains reactive amine compounds that are corrosive and can cause severe skin and eye damage on contact.
Direct splashes may result in burns, redness, pain, and possible permanent eye injury if not rinsed immediately.
It may cause skin sensitization, meaning repeated or prolonged contact can lead to allergic contact dermatitis.

Once sensitized, even very small future exposures can trigger strong skin reactions.
Inhalation of vapors, mists, or spray aerosols can irritate the nose, throat, and lungs.
Symptoms may include coughing, shortness of breath, and chest discomfort, especially in poorly ventilated areas.

Ingestion is harmful and can cause serious burns to the mouth, throat, and gastrointestinal tract.
Swallowing requires immediate medical attention and must not be induced to vomit.
Prolonged exposure to amine vapors may also cause headaches, nausea, and dizziness.

Good general and local exhaust ventilation is essential during mixing and application.
SETAMINE US-138 is hazardous to aquatic life if released into waterways.
Spills should be contained and prevented from entering drains, soil, or surface water.