ARADUR 100 PP 77.5 is a polyamidoamine epoxy curing agent supplied as a concentrated solution in n-propanol.
ARADUR 100 PP 77.5 provides long working time, strong adhesion, useful flexibility, and compatibility with suitable solid epoxy resins.
ARADUR 100 PP 77.5 is primarily used in solvent-borne industrial maintenance coatings, marine coatings, primers, intermediate coats, and protective epoxy systems.
CAS Number: Not assigned as a single number to the complete formulated mixture
EC Number: Not assigned as a single number to the complete formulated mixture
Molecular Formula: Not applicable to a polyamidoamine solution containing n-propanol
Molecular Weight: Not applicable to a multicomponent polyamidoamine solution
SYNONYMS
ARADUR 100 PP 77.5, ARADUR-100 PP 77.5, ARADUR100 PP 77.5, ARADUR 100PP77.5, ARADUR 100 PP, 100 PP 77.5 Epoxy Hardener, 100 PP 77.5 Epoxy Curing Agent, 100 PP 77.5 Polyamidoamine, Polyamidoamine in n-Propanol, Polyamidoamine n-Propanol Solution, Polyamidoamine Epoxy Hardener Solution, Polyamidoamine Epoxy Curing Agent, Solvent-Borne Polyamidoamine Hardener, Solvent-Based Polyamidoamine Curing Agent, Liquid Polyamidoamine Hardener, Liquid Epoxy Curing Agent, Reactive Polyamidoamine Solution, Amine-Functional Epoxy Hardener, Epoxy Resin Crosslinking Agent, Epoxy Crosslinker Solution, Two-Component Epoxy Hardener, 2K Epoxy Curing Agent, Ambient-Cure Epoxy Hardener, Room-Temperature Epoxy Hardener, Long-Pot-Life Epoxy Hardener, Long-Gel-Time Epoxy Hardener, Slow-Curing Epoxy Hardener, Solid-Epoxy-Compatible Hardener, Solid Epoxy Resin Curing Agent, Benzyl-Alcohol-Free Epoxy Hardener, Industrial Maintenance Coating Hardener, Marine Coating Epoxy Hardener, Protective Coating Curing Agent, Anti-Corrosion Epoxy Hardener, Marine Primer Hardener, Industrial Primer Hardener, Epoxy Intermediate-Coat Hardener, Epoxy Topcoat Hardener, Steel Coating Hardener, Metal Protection Epoxy Hardener, High-Build Epoxy Coating Hardener, Solvent-Borne Epoxy Coating Hardener, Polyamidoamine Coating Crosslinker, Flexible Epoxy Coating Hardener, Adhesion-Promoting Epoxy Hardener, Slow-Reaction Polyamidoamine, High-Solids Polyamidoamine Solution, n-Propyl-Alcohol-Based Epoxy Hardener, Propan-1-ol Polyamidoamine Solution, Maintenance Coating Polyamidoamine, Marine Protective Coating Hardener
APPLICATIONS
ARADUR 100 PP 77.5 serves as a curing agent in solvent-borne industrial maintenance coatings based on compatible solid epoxy resins.
ARADUR 100 PP 77.5 provides the reactive amine functionality required to convert the epoxy binder into a crosslinked protective film.
ARADUR 100 PP 77.5 supports marine coating systems applied to properly prepared steel substrates.
ARADUR 100 PP 77.5 contributes adhesion, flexibility, and extended application time in suitably formulated marine epoxy coatings.
ARADUR 100 PP 77.5 functions in anti-corrosion primers containing compatible inhibitive pigments and mineral fillers.
ARADUR 100 PP 77.5 helps bind the pigment system within a continuous epoxy matrix after solvent evaporation and curing.
ARADUR 100 PP 77.5 contributes to epoxy primers applied over abrasive-blasted structural steel.
ARADUR 100 PP 77.5 requires removal of rust, soluble salts, oil, dust, and other contamination before coating application.
ARADUR 100 PP 77.5 supports industrial maintenance primers used on machinery, tanks, pipes, frames, and fabricated metal components.
ARADUR 100 PP 77.5 allows sufficient working time for mixing, application, wet-film inspection, and correction of coating defects.
ARADUR 100 PP 77.5 functions in marine intermediate coats designed to increase total protective film thickness.
ARADUR 100 PP 77.5 helps produce a cohesive layer when the specified overcoating interval and surface conditions are maintained.
ARADUR 100 PP 77.5 contributes to high-build epoxy coatings intended for severe industrial environments.
ARADUR 100 PP 77.5 can be evaluated with rheology modifiers and fillers that control sagging, film build, and application behavior.
ARADUR 100 PP 77.5 supports barrier coatings containing lamellar pigments or mineral extenders.
ARADUR 100 PP 77.5 helps immobilize the dispersed particles within the cured film and supports a more tortuous diffusion pathway.
ARADUR 100 PP 77.5 functions in epoxy coatings for steel structures exposed to humidity, splash, condensation, or atmospheric contamination.
ARADUR 100 PP 77.5 performance must be verified against the exact exposure category, temperature, chemical environment, and maintenance schedule.
ARADUR 100 PP 77.5 contributes to protective coatings for industrial equipment requiring flexibility and reliable substrate adhesion.
ARADUR 100 PP 77.5 can reduce brittle film behavior when the complete resin and pigment system is appropriately balanced.
ARADUR 100 PP 77.5 supports maintenance coatings applied by brush, roller, or conventional spray equipment.
ARADUR 100 PP 77.5 viscosity and solvent balance must be adjusted to the intended application method and film thickness.
ARADUR 100 PP 77.5 functions in air-spray epoxy coatings after suitable dilution and atomization trials.
ARADUR 100 PP 77.5 requires effective ventilation and explosion-controlled equipment because the formulation contains a flammable solvent.
ARADUR 100 PP 77.5 contributes to coatings applied over compatible aged epoxy surfaces during maintenance operations.
ARADUR 100 PP 77.5 requires cleaning, abrasion, and adhesion testing before application over an existing coating.
ARADUR 100 PP 77.5 supports repair coats used to restore damaged areas of industrial protective systems.
ARADUR 100 PP 77.5 helps provide a workable repair period when edges, holidays, scratches, and localized corrosion have been properly prepared.
ARADUR 100 PP 77.5 functions in shop primers and fabrication coatings after formulation-specific evaluation.
ARADUR 100 PP 77.5 must provide the required balance of drying, handling strength, weld-area compatibility, and later overcoating performance.
ARADUR 100 PP 77.5 contributes to epoxy coatings used on ship components, offshore structures, and marine service equipment.
ARADUR 100 PP 77.5 suitability depends on immersion conditions, salt exposure, coating thickness, surface preparation, and the complete protective system.
ARADUR 100 PP 77.5 supports ballast-space and marine interior coating research involving solid epoxy binders.
ARADUR 100 PP 77.5 should be used only after application-specific water, salt, abrasion, and corrosion-resistance testing.
ARADUR 100 PP 77.5 functions in tank-lining research for compatible industrial liquids.
ARADUR 100 PP 77.5 chemical resistance must be verified through immersion testing with the exact stored material and service temperature.
ARADUR 100 PP 77.5 contributes to coatings for pipelines, valves, pumps, and process equipment.
ARADUR 100 PP 77.5 allows formulators to develop flexible protective films that tolerate limited vibration and mechanical movement.
ARADUR 100 PP 77.5 supports coatings containing zinc phosphate, iron oxide, micaceous iron oxide, or other compatible pigments.
ARADUR 100 PP 77.5 requires pigment-dispersing and storage-stability testing because amine-functional components can affect coating rheology.
ARADUR 100 PP 77.5 functions in solvent-borne epoxy sealers applied to compatible porous or mineral substrates.
ARADUR 100 PP 77.5 can provide extended penetration and application time when solvent evaporation and substrate absorption are controlled.
ARADUR 100 PP 77.5 contributes to two-component coating systems packaged as separate epoxy resin and hardener components.
ARADUR 100 PP 77.5 requires accurate proportioning and complete mixing to prevent soft, tacky, or under-cured regions.
ARADUR 100 PP 77.5 supports coatings manufactured with solid epoxy resin dissolved in a compatible solvent package.
ARADUR 100 PP 77.5 compatibility with the resin solution helps reduce phase separation, haze, and nonuniform curing.
ARADUR 100 PP 77.5 functions in blended curing-agent systems when additional cure speed or property adjustment is required.
ARADUR 100 PP 77.5 blend performance must be confirmed through viscosity, gel time, adhesion, flexibility, hardness, and chemical-resistance testing.
ARADUR 100 PP 77.5 contributes to laboratory development of long-working-time industrial and marine epoxy coatings.
ARADUR 100 PP 77.5 allows formulators to evaluate solid-resin compatibility, solvent release, film formation, cure development, and protective performance.
DESCRIPTION
ARADUR 100 PP 77.5 is a polyamidoamine curing-agent solution designed for reaction with compatible epoxy resins.
ARADUR 100 PP 77.5 contains reactive amine functionality dissolved in n-propanol.
ARADUR 100 PP 77.5 is a multicomponent formulation rather than one chemically pure molecular substance.
ARADUR 100 PP 77.5 therefore has no single complete-product CAS number, EC number, molecular formula, or molecular weight.
ARADUR 100 PP 77.5 is formulated for use particularly with suitable solid epoxy resin solutions.
ARADUR 100 PP 77.5 compatibility must still be confirmed with the exact resin molecular weight, solvent blend, pigment package, and solids content.
ARADUR 100 PP 77.5 has a nominal solution concentration associated with the 77.5 designation.
ARADUR 100 PP 77.5 actual nonvolatile content should be confirmed from the current batch specification or certificate of analysis.
ARADUR 100 PP 77.5 has a typical viscosity range of approximately 10,000–17,000 mPa·s at 25°C.
ARADUR 100 PP 77.5 viscosity is influenced by temperature, solvent loss, storage history, and test method.
ARADUR 100 PP 77.5 has a typical amine value of approximately 64–72 mg KOH/g.
ARADUR 100 PP 77.5 amine value is measured on the supplied solution and serves as a quality-control parameter.
ARADUR 100 PP 77.5 has a representative active-hydrogen equivalent weight of approximately 610 g/eq.
ARADUR 100 PP 77.5 exact formulation ratio must be calculated using the epoxy equivalent weight and total composition of the selected resin component.
ARADUR 100 PP 77.5 provides a gel time exceeding approximately 1,000 minutes in the documented solid-epoxy-resin reference system.
ARADUR 100 PP 77.5 actual pot life can differ substantially with batch size, solvent concentration, temperature, pigments, fillers, and accelerators.
ARADUR 100 PP 77.5 has a reported maximum color of approximately Gardner 9.
ARADUR 100 PP 77.5 color may deepen gradually through oxidation, excessive heat, contamination, or prolonged unsuitable storage.
ARADUR 100 PP 77.5 is formulated without benzyl alcohol.
ARADUR 100 PP 77.5 uses n-propanol as the principal identified solution solvent.
ARADUR 100 PP 77.5 cures epoxy resin through amine-hydrogen reaction with epoxy groups.
ARADUR 100 PP 77.5 gradually forms a crosslinked thermoset network after solvent evaporation and chemical reaction.
ARADUR 100 PP 77.5 offers very long working time relative to many faster ambient-curing amine hardeners.
ARADUR 100 PP 77.5 can require extended curing or controlled formulation acceleration before final properties are achieved.
ARADUR 100 PP 77.5 contains flammable n-propanol and must be handled away from ignition sources.
ARADUR 100 PP 77.5 requires closed containers, effective ventilation, grounded transfer equipment, and suitable fire-control precautions.
PROPERTIES
Chemical Class: Polyamidoamine Solution
Primary Function: Epoxy Curing Agent and Hardener
Principal Solvent: n-Propanol
Nominal Solution Content: Approximately 77.5%
Physical Form: Viscous Liquid
Viscosity at 25°C: Approximately 10,000–17,000 mPa·s
Amine Value: Approximately 64–72 mg KOH/g
Active-Hydrogen Equivalent: Approximately 610 g/eq
Color: Maximum Approximately Gardner 9
Representative Gel Time: More than 1,000 Minutes in the Documented Solid Epoxy Reference System
Main Uses: Industrial Maintenance and Marine Epoxy Coatings
Key Features: Long Working Time, Solid Epoxy Compatibility, Adhesion, Flexibility, and Benzyl-Alcohol-Free Composition
Solubility: Compatible with Suitable Epoxy Resin and Organic Solvent Systems
Storage: Cool, Dry, Tightly Closed, and Away from Heat and Ignition Sources
FIRST AID
Inhalation
Move the person exposed to ARADUR 100 PP 77.5 vapor, mist, aerosol, or fumes into fresh air and keep the person at rest.
Obtain immediate medical attention if ARADUR 100 PP 77.5 exposure causes coughing, headache, dizziness, drowsiness, respiratory irritation, or breathing difficulty.
Skin Contact
Remove clothing contaminated with ARADUR 100 PP 77.5 and wash the affected skin thoroughly with soap and water.
Obtain medical attention if ARADUR 100 PP 77.5 causes persistent redness, pain, irritation, blistering, or an allergic skin response.
Eye Contact
Immediately rinse eyes exposed to ARADUR 100 PP 77.5 with clean running water for at least 15 minutes while holding the eyelids open.
Remove contact lenses when easy to do, continue rinsing, and obtain urgent medical attention because the amine and n-propanol components can cause serious eye injury.
Ingestion
Rinse the mouth after accidental ingestion of ARADUR 100 PP 77.5 and do not induce vomiting unless instructed by medical personnel.
Contact a physician or poison information center immediately and provide the current safety documentation for ARADUR 100 PP 77.5.
Note to Physicians
Treat ARADUR 100 PP 77.5 exposure symptomatically and provide appropriate supportive care.
Assess ARADUR 100 PP 77.5 exposure according to the amount, route, amine component, n-propanol content, symptoms, and current Safety Data Sheet.
HANDLING AND STORAGE
Handling
Handle ARADUR 100 PP 77.5 according to good industrial hygiene and flammable-liquid processing practices.
Keep ARADUR 100 PP 77.5 away from flames, sparks, hot surfaces, static discharge, oxidizing agents, acids, and incompatible chemicals.
Ventilation
Provide effective general ventilation and local exhaust wherever ARADUR 100 PP 77.5 is poured, mixed, sprayed, sampled, or transferred.
Use suitable respiratory protection when engineering controls cannot adequately control ARADUR 100 PP 77.5 vapor, mist, or aerosol.
Storage
Store ARADUR 100 PP 77.5 in tightly closed and chemically compatible containers within a cool, dry, and well-ventilated flammable-liquid storage area.
Protect ARADUR 100 PP 77.5 from direct sunlight, excessive heat, moisture, contamination, ignition sources, acids, and strong oxidizing agents.
Spill and Leak Procedures
Eliminate ignition sources and contain spilled ARADUR 100 PP 77.5 with a suitable inert and non-combustible absorbent.
Prevent ARADUR 100 PP 77.5 from entering drains, soil, or surface water and place recovered waste in properly labeled closed containers.
Handling Precautions
Wear chemical-resistant gloves, protective clothing, and tightly fitting eye and face protection while handling ARADUR 100 PP 77.5.
Use grounded equipment, non-sparking tools, suitable ventilation, and the current regional Safety Data Sheet during ARADUR 100 PP 77.5 processing.