Epoxy Curing Agents

RoyOxy™ Phenalkamine Curing Agents

Product Name
Color (Gardner)
Amine Value mgKOH/g
Viscostiy @ 25° C (cP)
AHEW
Applications/Comments
RAC 950
Max 17
490 - 550
2000 - 4000
2000 - 4000
Phenalkamine curing agent for epoxy resins. Specifically used for high solids epoxy primers, marine coatings, surface tolerant coatings, tank and pipe linings and for masonry coatings and concrete repair compounds. Automotive adhesives can be suitably formulated with RAC 950.
RAC 951
Max 15
290 - 325
20000 - 35000
20000 - 35000
Phenalkamine curing agent, recommended in combination with “Type 1” epoxy resins for heavy duty anti-corrosive coatings, especially for marine applications. It can be supplied as a viscous liquid (>95% solids content) or as a 65% solvent cut in a mixture of xylene and butanol.
RAC 951 LV
Max 17
320 - 345
1000 - 5000
1000 - 5000
Hardener RAC 951 LV is a low viscosity ambient cure hardener based on cardanol (derived from cashew nut shell liquid).
RAC 951 X-90
Max 7
265 – 325
3000 - 6000
3000 - 6000
RoyOxy RAC 951 cut in Xylene.
RAC 9059 LC
Max 10
320 - 360
500 - 1500
500 - 1500
Low viscosity solvent free phenalkamine hardener based on cashew nut shall liquid. Ideal for use on metal or concrete substrates. Cures rapidly at low temperature. Excellent for use in heavy duty industrial coatings, marine coatings, floor coating and potable water contact coatings.
RAC 9082
Max 16
159 - 211
300 - 2300
300 - 2300
Low viscosity, 65% solids, cashew nut shell liquid based epoxy curing agent. It provides excellent adhesion to difficult surfaces like inorganic zinc primer and galvanized steel.
RAC 952
Max 10
320 - 345
1000 - 5000
1000 - 5000
Low color, low viscosity version of RoyOxy RAC 951
RAC 954
Max 10
230 - 280
3000 - 8000
3000 - 8000
Extremely fast curing phenalkamine with 78 – 82% solids content. Develops hardness rapidly for applications requiring quick dry to handle.
RAC 957
Max 17
190 - 230
2000 - 5000
2000 - 5000
Phenalkamine curing agent with 78 – 82% solids content. Offers good cathodic disbondment resistance, chemical resistance and blush resistance.
RAC 958
Max 17
145 - 165
1500 - 3500
1500 - 3500
Phenalkamine curing agent with 78 - 82% solids content. Ideal for formulating heavy duty marine and offshore coatings.
RAC 966
Max 17
350 - 385
1000 - 4000
1000 - 4000
A low viscosity, solvent free, fast curing epoxy curing agent for epoxy coating, grout and adhesive applications.
RAC 9082LC
Max 10
159 - 211
1000 - 3500
1000 - 3500
Light color version of RoyOxy RAC 9082

RoyOxy™ Polyamide and Amidoamine Curing Agents

Product Name
Color (Gardner)
Amine Value mgKOH/g
Viscostiy @ 25° C (cP)
AHEW
Applications/Comments
RA-9500
Max 7
420 - 465
200 - 450
90
Amidoamine providing good adhesion to concrete. Excellent for concrete repair, flooring and general purpose adhesives complies with FDA 21 CFR 175.3000 and 21 CFR 175.105.
RA-9501
Max 7
520 - 580
450 - 800
68
Amidoamine providing good adhesion to concrete. Excellent for concrete repair, flooring and general purpose adhesives complies with FDA 21 CFR 175.3000 and 21 CFR 175.105.
RAC 9543
Max 8
230 - 246
50000 - 75000 (@ 40°C)
196
High-viscosity polyamide curing agent mainly recommended for the formulation of solvent- based coatings possessing excellent adhesion and flexibility.
RAC 9544
Max 8
330 - 370
40000 - 55000
125
Polyamide curing agent. It is solvent-free and displays good adhesion and toughness. It is designed for coatings, adhesives, casting, potting and other general purpose applications.
RAC 9546
Max 8
370 - 410
9000 - 15000
101
Polyamide curing agent. It is solvent-free and provides excellent flexibility and toughness. It is designed for coatings, adhesives, and other general purpose applications.
RAC 9548 S
Max 10
270 - 310
600 - 1400
115
A lower viscosity and faster gel time version of RoyOxy RAC 9948.
RAC 9550
Max 9
370 - 400
2000 - 4000
95
Low viscosity polyamide curing agent. RAC 9550 gives a faster cure speed than RoyOxy RAC 9546 while chemical and solvent resistance properties are similar.
RAC 9552
Max 10
210 - 230
2000 - 5000
150
Modified polyamide curing agent. It has a medium viscosity and cures at room temperature. It provides excellent hardness and flexibility and has a long pot life. It is recommended for adhesives and solvent free coatings.

RoyOxy™ Cycloalophatic Amine Curing Agents

Product Name
Color (Gardner)
Amine Value mgKOH/g
Viscostiy @ 25° C (cP)
AHEW
Applications/Comments
RAC 718
Max 1
~470
~110
60
An unmodified cycloaliphatic amine used to cure epoxy resins at high temperatures. Ideal replacement for aromatic amines in applications where high chemical resistance and long pot life is desired.
RAC 3387
Max 3
290 - 320
225 - 325
92
Light-colored, low viscosity cycloaliphatic amine curing agent. It is recommended for use with liquid epoxy resins for solvent-free coatings. It has a convenient mix ratio of 2:1 by volume with RAR 900, a reactive diluent modified Bisphenol A epoxy resin. It gives good UV resistance and excellent for coating concrete or wood.
RAC 3391
Max 6
375 - 425
200 - 500
75
A low viscosity curing agent for formulating solvent free coatings, adhesives and mortars.
RAC 9925
Max 1
~526
80
52
A liquid unmodified cycloaliphatic amine. PACM is ideal for use for use as an alternative to aromatic amines in the elevated temperature cure of liquid epoxy resins. The low viscosity and relatively long pot life at moderate temperatures coupled with the excellent mechanical properties following elevated temperature cure makes it ideal for use in filament winding, laminating, tooling and casting applications.
RAC 9961
Max 2
210 - 235
1000 - 1600
204
Used to formulate flexible epoxy systems requiring 1:1 mix ratio with RoyOxy RAR 928
RAC 9963
Max 2
325 - 350
30 - 80
92
Phenol Free version of RoyOxy RAC 9964
RAC 9964
Max 2
320 - 340
94
92
Low viscosity, pale colored, room-temperature epoxy curing agent.
RAC 9965
Max 2
300 - 325
100 - 300
94
Low viscosity, non-blushing modified cycloaliphatic polyamine curing agent, recommended for curing liquid Bisphenol-A or Bisphenol-F epoxy resins at ambient temperature. It is used in particular for solvent- free coatings and self-leveling floorings.
RAC 9974
Max 1
255 - 290
425 - 475
113
Low color, low viscosity modified cycloaliphatic amine curing agent. It exhibits very good chemical and moisture resistance.
RAC 9978
Max 1
300 - 340
40 - 100
93
Exhibits low viscosity and high reactivity. It is ideal for civil engineering and coating applications requiring high gloss and color stability.
RAC 9982
Max 3
340 - 370
175 - 325
102
A phenol free epoxy curing agent. Cures well under cold and damp conditions. Coatings formulated using RoyOxy RAC 9982 will exhibit good chemical resistance and high gloss.
RAC 9983
Max 3
235 - 275
350 - 700
110
A DOT non-corrosive epoxy curing agent. It offers excellent chemical resistance and resistance to amine blush. It is ideal to formulate flooring, coatings and liners. Also available in a fast cure (FC) version.
RAC 9990
Max 1
85 - 145
384 - 407
72
A low viscosity, modified cycloaliphatic amine offering room temperature cures in epoxy resin systems. Ideal for applications such as floor coatings, tank linings, etc.
RAC 9991
Max 2
25 - 85
680 - 720
49
A low viscosity curing agent for formulating solvent free coatings, adhesives and mortars.
RAC 9997
Max 1
330 - 370
200 - 400
101
A low viscosity, clear curing agent for formulating top coats

RoyOxy™ Aliphatic Amine Curing Agents

Product Name
Color (Gardner)
Amine Value mgKOH/g
Viscostiy @ 25° C (cP)
AHEW
Applications/Comments
RAC 111
Max 1
Approx. 1300
15 - 16 (@ 20° C)
43
Low viscosity aliphatic amine, N-AEP (n-aminoethypiperazine). Often used in combination with nonyl phenol as a rapid curing agent.
RAC 222
Max 4
1300 - 1350
80 - 85 (@ 20° C)
29
Low viscosity aliphatic amine, TEPA (Triethylenepentamine) is principally a mixture of four TEPA ethyleneamines with close boiling points including linear, branched, and two cyclic TEPA products, and higher molecular weight products.
RAC 555
Max 1
Approx. 1443
25 - 35 (@ 20° C)
26
Low viscosity aliphatic amine, TETA (Triethylenetetramine). It is a mixture of four TETA ethyleneamines with close boiling points including linear, branched and two cyclic molecules.
RAC 777
Max 1
Approx. 1625
7 - 8 (@ 20° C)
21
Low viscosity aliphatic amine, DETA (Diethylenetriamine). RAC 777 is clear and colorless with an ammonia like odor. It is a linear ethyleneamine containing two primary and one secondary nitrogen.
RAC 9090
Max 2
360 - 390
125 - 300
75
Benzyl Alcohol and Nonyl Phenol free version of RAC 9089.
RAC 9836
Max 2
405 - 490
1700 - 2200
66
Medium viscosity phenol-free and benzyl alcohol-free aliphatic amine adduct epoxy curing agent. It is recommended for solvent-free industrial maintenance coatings, tank and pipe linings and flooring systems, which cure at ambient temperature in combination with liquid Bisphenol-A and Bisphenol-F resins.
RAC 9837
Max 2
395 - 415
2900 - 3600
68
Aliphatic amine adduct used to cure liquid epoxy resins for maintenance coating applications. It confers outstanding chemical resistance to the cured coating.
RAC 9947
Max 6
420 - 480
1200 - 3500
90
A modified aliphatic amine designed for use with high solid, high build coatings. It is also good for fast setting adhesives.
RAC 9949
Max 3
350 - 390
400 - 700
76
A phenol free epoxy curing agent. Fast setting product ideal for applications which require low temperature cure. Ideal for formulating spray able coatings with good chemical and corrosion resistance.
RAC 9953
Max 2
313 - 337
5500 - 8500
142
A modified aliphatic amine designed to rapidly cure thin sections of epoxy resin formulations. It is ideal to formulate coatings that require overnight cure.
RAC 9954
Max 1
305 - 325
40 - 80
72
A moderately reactive aliphatic amine. It resists blushing and sweat out in high humidity environments.
RAC 9954 FC
Max 1
305 - 335
40 - 100
72
Fast curing version of RoyOxy RAC 9954.
RAC 9955
Max 6
1010
100 - 115
30
Accelerated amine curing agent for epoxy resins. Being very reactive, it is normally recommended in filled systems to minimize the strong exothermic rise in temperature on mixing the resin and hardener.
RAC 9956
Max 4
1000 - 1075
300 - 600
43
Polyamine used to cure liquid and solid epoxy resins for coatings, adhesives, flooring, and tooling applications. It has a low viscosity and light color.
RAC 9957
Max 5
763-797
3400 - 5000
38
Aliphatic amine adduct used to cure liquid and solid epoxy resins for maintenance coating applications.
RAC 9968
Max 8
400 – 480
2000 - 3500
73
An aliphatic amine with high reactivity. It cures well under conditions of high humidity and low temperatures. It can also be used as an accelerator for other curing agents.
RAC 9969
Max 4
580 - 620
2000 - 4000
95
A phenol free, highly reactive, modified aliphatic amine. It is ideal for applications such as adhesives and patch repair compounds, where rapid thin film cure is desired.

RoyOxy™ Aromatic Amine Curing Agents

Product Name
Color (Gardner)
Amine Value mgKOH/g
Viscostiy @ 25° C (cP)
AHEW
Applications/Comments
RAC 9904
Max 2
Solid
34
m-Phenylenediamine is an isomer of o-phenylenediamine and p-phenylenediamine. It is a colorless solid. M-phenylenediamine is used in the preparation of various polymers including aramid fibers, epoxy resins, wire enamel coatings and polyurea elastomers. It is available in both flake and cast form.
RAC 9907
Max 18
431 - 452
1000-5000
64
Distilled 3:3’-diethyl 4,4’-diamino diphenyl methane used as a curing agent in combination with epoxy resins for high performance applications. It gives a lower Tg than MDA. It is also used as a chain extender in PU systems.
RAC 9910
Max 5
3500 - 6500
63
4:4’-diamino diphenyl sulfone used in combination with epoxy resins recommended for making prepregs for high performance applications. In combination with Bis-A resins it can be used to make base laminates for electrical applications conforming to NEMA G-11 specifications. It is also commonly used with RAR 921 for aerospace applications.
RAC 9911
Max 5
Solid
63
RAC 9911 is micronized version of RAC 9910. It is particularly recommended for making prepregs by the hot melt process.
RAC 9912
Max 5
Solid
63
Aromatic Amine Curing Agent (3,3’-DDS micropulverized). It is more reactive than the 4:4’-isomer and is used for similar applications, providing a slightly lower glass transition temperature but higher modulus.
RAC 9903
Max 15
530 - 565
70 -110 (@ 80°C)
53
Aromatic amine, methylene dianiline (MDA), which is semi-solid at room temperature. It can be melted at about 65°C and will remain in the liquid form for a long period of time above 25°C, a distinct advantage over pure solid MDA in terms of handling. It is especially suitable for making composites by filament winding, pultrusion or other wet lay-up processes. It can also be used for encapsulation or potting of electrical or electronic components.
RAC 9908
Max 12
430 - 470
1000 - 5000
64
70 – 80% of 3,3’ diethyl 4,4’ diamino diphenyl methane and 20-30% of oligomer. It is available in form of viscous liquid. When it is used with basic liquid resin (EEW: 190), it provides excellent combination of mechanical, electrical and thermal properties. Appropriately cured mass of epoxy resin is able to provide glass transition temperature 140°C.
RAC 9919
Max 8
111 - 125
1500 - 3000
64
Multi-purpose aromatic amine curing agent. It is designed for a wide variety of applications to include filament winding, tooling, structural laminates, and adhesives. It provides high heat distortion and has a long pot life and low exotherm.
RAC 9923
Max 6
514
280 - 330
53
Formulated liquid curing agent for epoxy resins based on aromatic and cycloaliphatic polyamines. It has a low viscosity and a fairly long pot-life of almost 3 hours at room temperature, thus rendering it particularly suitable for applications like pultrusion and filament winding. It is also recommended for casting electrical components.
RAC 9924
Max 18
570
80 - 90
49.5
Formulated liquid curing agent for epoxy resins based on aromatic and cycloaliphatic polyamines. It has a low viscosity and a pot-life of about 1 hour at room temperature, thus rendering it particularly suitable for applications like pultrusion and filament winding. It is also recommended for casting electrical components.
RAC 9926
Max 18
200 - 212
700 - 900
112
A low viscosity formulated aromatic polyamine adduct based on 4,4’-diamino diphenyl methane. RAC 9926 can be used with modified or unmodified liquid epoxy resins to produce solvent-free highly chemical resistant systems.

Epoxy Resins

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Epoxy Curing Agents

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Epoxy Diluents

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Additives, Modifiers, Accelerators

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Titanates & Blocked Polyisocyanates

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