Epoxy Curing Agents

Epoxy Curing Agents

RoyOxyTM Aromatic Amine Curing Agents

Product Name Viscosity@ 25°C (cps) Melting Point (°C) Ahew Mix Ratio ** (Resin/Hardner) Applications/Comments
RAC 9904 Solid 60 - 65 27 100 : 15 m-phenylene diamine (m-PDA). Used to obtain systems with high heat . distortion temperature.
RAC 9905 Solid 85 - 95 50 100 : 27 Methylene dianiline (MDA). Used for composites, casting and laminating applications requiring chemical resistance and high heat distortion temperatures (Tg: 153 - 170oC).
RAC 9907 1000 - 5000   64 100 : 35 Ethyl Substituted MDA. Gives long pot-life at ambient temperature. Used for casting applications and filament winding.
RAC 9910 Solid 175 - 185 63 100 : 35 4,4'-DDS for high temperature and chemical resistance. Used in prepregs for aerospace and industrial composites, adhesives and PWB laminates conforming to NEMA G-11 and FR-5 specifications.
RAC 9911 Solid 175 - 185 63 100 : 35 Micropulverized version of RAC 9910 mainly used for making prepregs by the hot-melt process.
RAC 9912 Solid 165 - 175 63 100 : 35 Micropulverized 3,3'-DDS. Used in prepregs for high performance composites and adhesives.
RAC 9913 280 - 330   53 100 : 29 Low viscosity curing agent which sets at ambient temperature but requires heat for full cure. Excellent for pultrusion and filament winding and casting electrical components.
RAC 9914 80 – 90   49.5 100 : 27 More reactive version of RAC 9913
RAC 9915 3800 - 5800 Liquid   100 : 60 MDA based curing agent. Low reactive curing agent for chemical resistant solvent free coatings, tank linings, and flooring applications. Recommended in combination with RAC 9916.
RAC 9916 15,000 - 21,000 Liquid   100 : 60 MDA based curing agent. High reactive curing agent for chemical resistant solvent free coatings, tank linings, and flooring applications. Recommended in combination With RAC 9915
RAC 9917 Tan Waxy Solid     100 : 28 Similar to RAC 9905. On melting, stays liquid for a long time.

** Recommended mix ratios are with standard liquid epoxy resins such as RAR 928

RoyOxyTM Aliphatic Amine Curing Agents

Product Name Viscosity@ 25°C (cps) Amine Value
(mg KOH / g)
Ahew Mix Ratio ** (Resin/Hardner) Applications/Comments
RAC 111 500 - 700   43 100 : 20 - 25 n-aminoethyl piperazine (n-AEP). A low viscosity, high reactivity curing agent with good impact strength.
RAC 222 4500 - 6500   27 100 : 10 - 15 Tetraethylene pentamine (TEPA). General purpose curing agent.
RAC 555 20 max. 1450 - 1510 24 100 : 10 - 12 Triethylene tetramine (TETA). General purpose curing agent.
RAC 777 10 max. 27.6 - 29.1 (eq / kg) 21 100 : 10 - 12 Diethylene triamine (DETA). General purpose curing agent used in flooring and encapsulating applications.
RAC 9955 100 - 115 1010 30 100 : 16 Very reactive curing agent used mainly in heavily filled civil engineering systems.
RAC 9956 300 - 600   43 100 : 20 Low viscosity curing agent with low shrinkage and good electrical properties. Used for coatings, potting, laminating, casting, gel coats, tooling and adhesive applications.
RAC 9957 3400 - 5000 13.6 - 14.2 (eq / kg) 43 100 : 10 - 20 Very reactive curing agent with a short pot life. Recommended for tank linings and coatings with excellent resistance to organic solvents.
RAC 9958 200 - 300 965 - 975 34 100 : 15 - 20 General purpose curing agent with strong reactivity and short pot life. Used mainly in civil engineering applications.
RAC 9959 3400 – 5000 763-797 44   Fast Curing Epoxy Hardener.

** Recommended mix ratios are with standard liquid epoxy resins such as RAR 928


RoyOxyTM Cycloalophatic Amine Curing Agents

Product Name Viscosity@ 25°C (cps) Amine Value
(mg KOH / g)
Ahew Mix Ratio ** (Resin/Hardner) Applications/Comments
RAC 333 15 - 20
(@ 20°C)
640 - 650 43   Isophorone diamine (IPDA). Low viscosity curing agent with good chemical and humidity resistance. Produces light color coating used for flooring and maintenance.
RAC 9964 40 - 60 325 - 335 77 100 : 40 - 45 Very low viscosity curing agent with light color and lower blushing. Used for tank linings, flooring, secondary containment, and civil engineering applications.
RAC 9965 100 – 300 300 – 325 94   Light Color Epoxy Curing Agent
RAC 9837 2900 – 3600 395 – 415 68   Epoxy Curing Agent for excellent chemical resistance.
RAC 9836 1700 – 2200 465 – 485 56   Lower viscosity , High amine value , version of RAC 9837
RAC 3387 225 – 325 290 – 320 92   Economical Epoxy Curing Agent for flooring offering excellent UV resistance
RAC 9089 80 – 120 380 – 410 75   Low viscosity , fast curing epoxy hardener
RAC 9130 430 – 470 260 – 290 113   Light color epoxy curing agent offering good chemical resistance.

** Recommended mix ratios are with standard liquid epoxy resins such as RAR 928

RoyOxyTM Polyamide and Amidoamine Curing Agents

Product Name Viscosity@ 25°C (cps) Amine Value
(mg KOH / g)
Ahew Mix Ratio ** (Resin/Hardner) Applications/Comments
RAC 43 50,000-75,000
(@ 40°C)
3.7 - 4.5
(eq / kg)
170 100 : 80 - 100 Higher viscosity polyamide with good flexibility, adhesion and long pot life. Used for high solids maintenance and floor coatings and adhesives.
RAC 44 45,000 - 55,000 290 - 320 115 100 : 50 - 65 Medium viscosity polyamide used for coatings with good flexibility, toughness and adhesion. Also used for adhesives, sealants, casting, and potting applications.
RAC 46 9000 - 15,000 370 - 440 100 100 : 50 - 60 Lower viscosity polyamide for solvent-free coatings with good flexibility and toughness. Also used for repair mortars, flooring, adhesives, concrete crack sealants and putty compounds.
RAC 50 20 – 40 370 – 400 103   Low viscosity, reactive polyamide curing agent
RA-9500 300 - 500   41 100 : 15 Low viscosity amidoamine for solvent-free systems. Used for coatings, adhesives, sealants and encapsulating applications.
RA-9501 500 - 1000 520 - 680   100 : 35 Low viscosity modified amidoamine which cures under humid conditions. Used for coatings, civil engineering, adhesives, potting and wet lay-up applications.

** Recommended mix ratios are with standard liquid epoxy resins such as RAR 928

RoyOxyTM Phenalkamine Curing Agents

Product Name Viscosity@ 25°C (cps) Amine Value
(mg KOH / g)
Ahew Mix Ratio ** (Resin/Hardner) Applications/Comments
RAC 950 2000 - 4000 490 - 550 80 100 : 30 Low temperature cure coatings with excellent corrosion and moisture resistance. Can cure as low as 0oC. Used in marine and maintenance coatings.
RAC 951 20,000 - 50,000 590 - 325 130 100 : 40 Low temperature cure coatings with excellent corrosion and moisture resistance. Can cure as low as 0oC. Used in marine and maintenance coatings.
RAC 951 LV 1000 - 3000 285 - 320 125 100 : 40 Low viscosity version of RAC 951
RAC 951 X-90 3000 – 6000 265 –325 144   90% Xylene cut of RAC 951
RAC 9059 LC 500 – 1500 320 – 360 95   Low Viscosity,Low color phenalkamine curing agent . Excellent for flooring application.
RAC 9082 300 – 2300 159 – 211 174   63 – 67 % solids. Excellent curing agent for solid epoxy resins.
RAC 9016 18000 – 28000 180 – 225 151   Excellent adhesion to zinc based primers.
RAC 9017 18000 – 28000 190 – 230     Better version of RAC 9016 with improved salt water resistance.
RAC 9018 5000 – 13000 180 – 220 151   Low cost epoxy curing agent
RAC 9932 350 – 800 520 – 570 66   Low viscosity , high chemical resistance , phenalkamine hardener.

** Recommended mix ratios are with standard liquid epoxy resin RAR 928

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