Epoxy Hardeners Series
Get a Quote Custom-Made Epoxy Curing Agents – Equivalent to Leading
International Brands
At Feiyang Protech Corp., Ltd., we specialize in the development
and production of custom-made epoxy curing agents.
Our expertise covers the full spectrum of curing agent types,
including aliphatic amines, modified amines, polyamides, phenolic
amines, aromatic amines, and accelerators. We understand that many customers require equivalents to well-known
international brands such as Huntsman, BASF, Evonik, and Cardolite.
With our strong R&D capability and flexible production lines,
we are able to design and manufacture tailored curing agents upon
request, ensuring performance comparable to international reference
grades while offering significant cost advantages. Popular Equivalent Products Epoxy HardenersIndustrial anti-corrosion | Model | Generic Type | Appearance | Viscosity (mPa·s, 25°C) | Amine Value (mgKOH/g) | Loading (PHR) | Gel Time (min, 25°C) | Applications Suggested | Features and Benefits |
|---|
| FEC-2140 | Polyamide | Yellow transparent liquid | 1000–4000 | 300±30 | 60 | 60–90 | Primer for anti-corrosion, Sealing for flooring | Good adhesion, flexible | | FEC-2257 | Cardanol-based polyamine | Reddish-brown transparent liquid | 5000–10000 | 260±30 | 80–100 | 60–180 | Primer for flooring, Primer for anti-corrosion | Excellent adhesion, damp substrates applicable, very good
anti-chemicals | | FEC-2258 | Cardanol-based phenalkamine | Reddish-brown transparent liquid | 10000–30000 | 315±30 | 65–75 | 60–180 | Primer for anti-corrosion & flooring | Excellent adhesion, damp substrates applicable, very good
anti-chemicals | | FEC-3280 | Cardanol-based phenalkamine | Reddish-brown transparent liquid | 5000–15000 | 230±30 | 100 | 60–180 | Primer and midcoat | Very good anti-corrosion, damp substrates applicable | | FEC-3282 | Cardanol-modified polyamide | Reddish-brown transparent liquid | 1000–2000 | 230±30 | 100 | 120–240 | Primer and midcoat | Long potlife, Combined the advantages of cardanol and polyamide,
excellent comprehensive performance | | FEC-5110 | Modified cycloaliphatic | Yellow transparent liquid | 200–400 | 350–380 | 46 | 25–30 | Secondary containment linings and mortars | Fast curing, outstanding chemical resistance | | FEC-5121 | Modified cycloaliphatic | Light yellow transparent liquid | 500–1500 | 290±30 | 50 | 20 | Anti-corrosion for pipes and floor | Good anti-corrosion, anti-yellowing, fast curing | | FEC-5150 | Phenalkamine | Light yellow transparent liquid | 2000–5000 | 370±30 | 40 | 8–15 | Heavy-duty anti-corrosion, Underwater & damp substrate | Very good anti-corrosion, fast curing, under water temperature
curable, good early water resistance | | FEC-5151 | Phenalkamine | Light yellow transparent liquid | 2000–5000 | 370±30 | 40 | 8–15 | Anti-corrosion for metal and floor | High cost effectiveness, fast curing at ambient and low
temperature, good anti-corrosion | | FEC-5152 | Aromatic modified | Yellow transparent liquid | 50–200 | 260±30* | 50 | 60–180 | Anti-corrosion for floor | Good acid & alkali resistance, very low viscosity | | FEC-5356 | Aromatic polyamine | Amber liquid | 3500–5000 | 370–440 | 45 | 35–45 | Tank & chimney linings, secondary containment | Excellent resistance to sulfuric acid, crude oil, good blush
resistance | | FEC-7521 | Cycloaliphatic | Nearly colorless transparent liquid | 10000–20000 | 310±30 | 100 | 15–25 | Zipper coating | Transparent and non-yellowing, boiling water resistance, high
adhesion |
All products are free of APEO and NP. Phenalkamines may contain
trace amounts of formaldehyde.
* Perchloric acid method Epoxy HardenersAdhesives | Model | Generic Type | Appearance | Viscosity (mPa·s, 25°C) | Amine Value (mgKOH/g) | Loading (PHR) | Gel Time (min, 25°C) | Applications Suggested | Features and Benefits |
|---|
| FEA-4101 | Cycloaliphatic | Nearly colorless transparent liquid | 10000–20000 | 280±30 | 100 | 25–30 | Electronic bonding and fixing | Excellent weather resistance, anti-yellowing, outstanding
anti-corrosion, shear strength on steel ≥10MPa | | FEA-4102 | Cycloaliphatic | Nearly colorless transparent liquid | 10000–20000 | 270±30 | 100 | 30–35 | Electronic bonding and fixing | Excellent weather resistance, anti-yellowing, outstanding
anti-corrosion, shear strength on steel ≥10MPa | | FEA-4103 | Cycloaliphatic | Nearly colorless transparent liquid | 5000–10000 | 270±30 | 100 | 60 | Electronic bonding and fixing | Excellent weather resistance, anti-yellowing, outstanding
anti-corrosion, shear strength on steel ≥10MPa | | FEA-4104 | Cycloaliphatic | Nearly colorless transparent liquid | 5000–10000 | 270±30 | 100 | 120 | Electronic bonding and fixing | Excellent weather resistance, anti-yellowing, outstanding
anti-corrosion, shear strength on steel ≥10MPa | | FEA-4105 | Cycloaliphatic | Nearly colorless transparent liquid | 5000–10000 | 270±30 | 100 | 240 | Electronic bonding and fixing | Excellent weather resistance, anti-yellowing, outstanding
anti-corrosion, shear strength on steel ≥10MPa | | FEA-4130 | Cycloaliphatic | Nearly colorless transparent liquid | 1000–2000 | 295±30 | 50 | 20 | Ship repair and bonding | Fast curing, anti-yellowing | | FEA-4230 | Polyamide | Reddish-brown transparent liquid | 5000–15000 | 230±30 | 100 | 60–180 | Ship repair and bonding | Flexible, high bonding strength, tensile ≥20MPa (on steel),
elongation ≥20% | | FEA-4231 | Polyamide | Reddish-brown transparent liquid | 50000±30000 | 210±30 | 100 | 60–120 | Anti-corrosion & bonding | Good flexibility, high adhesion | | FEA-4270 | Polyamide | Yellow transparent liquid | 5000–10000 | 230±30 | 100 | 60–180 (potlife) | Flexible bonding | Good flexibility! To aluminum: ≥5MPa, to steel: ≥12MPa, elongation
≥150% | | FEA-4271 | Polyamide | Yellow transparent liquid | 5000–10000 | 230±30 | 100 | 60–180 (potlife) | Screw fixing | Flexible, good vibration resistance, tensile on aluminum ≥7MPa, on
304L steel: ≥12MPa, elongation ≥10% | | FEA-4273 | Polyamide | Yellow transparent liquid | 3000–8000 | 230±30 | 100 | 60–120 | Notch & joint filling and repair | High bonding strength, tensile on steel ≥20MPa, elongation ≥20% |
Epoxy HardenersFloor & Concrete | Model | Generic Type | Appearance | Viscosity (mPa·s, 25°C) | Amine Value (mgKOH/g) | Loading (PHR) | Gel Time (min, 25°C) | Applications Suggested | Features and Benefits |
|---|
| FEC-1051 | Modified cycloaliphatic | Yellow transparent liquid | 1000±5000 | 240±30 | 80 | 5 | Rapid repair and joint filling for concrete, water-resistant
material | Very fast curing, cost-effective | | FEC-1151 | Phenalkamine | Yellow transparent liquid | 500–1000 | 300±30 | 50 | 8–15 | Primer & midcoat | Fast curing at low temperature, sanding feasible within 4hrs | | FEC-1170 | Cardanol-based phenalkamine | Yellow transparent liquid | 300–1000 | 260±30 | 80–100 | 60–180 | Primer & midcoat | Good heat resistance, excellent water resistance | | FEC-1172 | Cardanol-based phenalkamine | Yellow transparent liquid | 80–200 | 300±30 | 50 | 30–50 | Primer & midcoat | Excellent comprehensive performance, very low viscosity | | FEC-1270 | Cardanol-based phenalkamine | Amber liquid | 500–1500 | 330±30 | 50 | 40 | Primer and midcoat in humid environment | No amine blush, no whitening, no water spots, excellent adhesion on
damp substrates | | FEC-1323 | Cycloaliphatic | Nearly colorless transparent liquid | 300±100 | 300±30 | 50 | 60–120 | All-in-one flooring | Good weather resistance | | FEC-1330K | Polyether amine | Colorless to light yellow transparent liquid | 100–300 | 290±30 | 50 | 15–30 | Topcoat | Fast curing, cost-effective, low viscosity | | FEC-1361 | Modified amine | Light yellow transparent liquid | 200–500 | 290±30 | 50 | 15–30 | Topcoat | Fast curing, good anti-corrosion, low viscosity, high gloss | | FEC-1422 | Modified cycloaliphatic | Light yellow transparent liquid | 150–300 | 300±30 | 50 | 40–60 | Topcoat | Low viscosity, anti-yellowing, good early water resistance | | FEC-1522 | Cycloaliphatic | Nearly colorless transparent liquid | 200–400 | 300±30 | 50 | 30–60 | Topcoat | Low viscosity, anti-yellowing, high hardness | | FEC-1530 | Polyether amine | Colorless to light yellow transparent liquid | 70–200 | 290±30 | 50 | 50 | Self-leveling flooring | High cost effectiveness, very low viscosity | | FEC-1720 | Modified cycloaliphatic | Nearly colorless transparent liquid | 1000±5000 | 300±30 | 50 | 20–40 | Terrazzo floor | Fast curing, high hardness, excellent sandability, good
anti-yellowing | | FEC-1722 | Modified cycloaliphatic | Nearly colorless transparent liquid | 200–500 | 300±30 | 50 | 60 | Flakes / chips floor | Good flexibility, anti-yellowing | | FEC-1730 | Modified cycloaliphatic | Nearly colorless transparent liquid | 10–100 | 500±30 | 28 | 120–240 | Color sand floor, Floating sand floor | Anti-yellowing, long potlife, very low viscosity | | FEC-2140 | Polyamide | Yellow transparent liquid | 1000–4000 | 300±30 | 60 | 60–90 | Primer & sealing for flooring, Primer for anti-corrosion | Good adhesion, flexible | | FEC-2257 | Cardanol-based phenalkamine | Reddish-brown transparent liquid | 5000–10000 | 260±30 | 80–100 | 60–180 | Primer for flooring, Primer for anti-corrosion | Excellent adhesion, damp substrates applicable, very good
anti-chemicals | | FEC-2258 | Cardanol-based phenalkamine | Reddish-brown transparent liquid | 10000–30000 | 315±30 | 65–75 | 60–180 | Primer for flooring, Primer for anti-corrosion | Excellent adhesion, damp substrates applicable, very good
anti-chemicals |
Epoxy HardenersElectronic potting | Model | Generic Type | Appearance | Viscosity (mPa·s, 25°C) | Amine Value (mgKOH/g) | Loading (PHR) | Gel Time (min, 25°C) | Applications | Features and Benefits |
|---|
| FEP-101 | Aromatic polyamine | Reddish brown to reddish maroon liquid | 100–300 | 260±30 | 50 | 20–60 | Battery case cover adhesive, electronic potting | High cost-effectiveness | | FEP-102 | Polyether amine | Colorless to light yellow transparent liquid | 100–200 | 290±30 | 50 | 40–60 | Electronic potting | Low odor, light color, low shrink, long potlife, good hardness and
toughness |
Epoxy HardenersDispensing, DIY crystal epoxy | Model | Generic Type | Appearance | Viscosity (mPa·s, 25°C) | Amine Value (mgKOH/g) | Loading (PHR) | Gel Time (min, 25°C) | Applications | Features and Benefits |
|---|
| FEP-201 | Polyether amine | Colorless to light yellow transparent liquid | 0–100 | 460±20 | 33 | 50–90 | Epoxy dispensing, photovoltaic panel adhesive, stone coating
adhesive | Good hardness, high transparency | | FEP-202 | Cycloaliphatic | Nearly colorless transparent liquid | 200–400 | 300±30 | 50 | 30–60 | Jewelry adhesive | Good hardness, anti-yellowing |
MercaptansPolymercaptans are thiol-based curing agents for epoxy resins,
featuring ultra-fast curing at room temperature, excellent
low-temperature curability below 0°C–20°C. Widely used for epoxy
emergency repair materials, low-temperature adhesives and
quick-setting sealants, with good fluidity and construction
performance, suitable for outdoor low-temperature construction and
emergency rush repair working conditions. Appearance & Features- Colorless clear liquid with a mild characteristic odor.
- Very fast-curing, even at low temperature.
- Outstanding toughness.
Applications- Electronic adhesives.
- Sintered stone and ceramics bonding & quick repair.
- Plastic and steel bonding material.
| Model | Viscosity (mPa·s, 25°C) | Loading (PHR) | Gel Time (min, 25°C) | Features and Benefits | | FEA-6000 | 8000~12000 | 100 | 1~3 | Anti-yellowing, high bonding strength, cost-effective | | FEA-6001 | 5000~10000 | 100 | 1~3 | High cost-effectiveness, shear ≥12MPa | | FEA-6110 | 7000~10000 | 100 | 2~4 | No softening in water, anti-yellowing | | FEA-6112 | 3000~5000 | 50 | 4~7 | Excellent sandability, hardness ≥75D at 80°C, No softening in
water, anti-yellowing | | FEA-6132 | 10000~15000 | 100 | 2~4 | Very good anti-yellowing | | FEA-6133 | 8000~15000 | 100 | 3~5 | Flexible, hardness 40°–50D, Shear ≥25MPa, High bonding strength,
anti-falling | | FEA-6310 | 5000~7000 | 100 | 10~15 | Long potlife, fast post-curing, sandable in 20min, anti-yellowing | | FEA-6320 | 9000~14000 | 100 | 12~17 | Long potlife, anti-yellowing | | FEA-6321 | 9000~14000 | 100 | 25~30 | Long potlife, anti-yellowing |
Anhydride, Dicyandiamide| Product | Generic Type | Appearance | Usage & Benefits | | FEM-MTHPA | Methyl tetrahydrophthalic anhydride | Colorless to light yellow transparent liquid | Widely used as alicyclic anhydride curing agent for epoxy resins.
Low viscosity, light color, low volatility and excellent thermal
stability.
Cured products have high heat resistance, good toughness and
outstanding electrical insulation properties.
Loading level: 80%~85% of total resin (E51). | | | | | FEM-MHHPA | Methyl tetrahydrophthalic anhydride | | FEM-DICY | Dicyandiamide | White crystalline powder | - Excellent latency at room temperature.
- Low hygroscopicity, long pot life for one-component epoxy system.
- Used in adhesive to improve the heat-resistance (Loading level:
2~3%).) | | |
Diluents, Accelerators| Product | Generic Type | Appearance | Usage & Benefits |
|---|
| FED-PC | Propylene carbonate | Colorless transparent liquid | - Low viscosity, high boiling point, low toxicity and high solvency.
- React with curing agents to participate in cross-linking and
accelerate curing.
- Inhibit surface oiliness and blushing.
| | FED-AGE | C12-14 Alkyl glycidyl ether | - Low viscosity, non-volatile, low-toxic and odorless.
- Low surface tension and good permeability.
- Can improve the flexibility of coatings.
| | FED-692 | Benzyl glycidyl ether | - High boiling point, low toxicity.
- Rigid structure, excellent heat resistance.
- Balancing hardness and flexibility.
| | FED-BZ | Benzyl alcohol | - Widely used diluents for epoxy resin and hardener.
- Accelerate the curing of epoxy resin and amine.
- Inhibit surface oiliness and blushing.
| | FED-CNSL | Cashew nut shell oil | Dark red to deep brown liquid | - Recommended for use as a diluent in epoxy asphalt paint to lower
costs.
| | FED-CDN | Cardanol | Light yellow to yellowish brown liquid | - Recommended for use as a diluent and accelerator.
|
FEM-SP2Chemical name: Styrenated phenol
CAS No.: 61788-44-1
Appearance: Light yellow to amber viscous liquid Chemical formula: C₆H₃(OH)-(C₈H₉)₂ Usage & benefits: - Used as diluent and multifunctional modifier.
- Imparts flexibility and blush resistance.
- Significantly enhances toughness, impact resistance and abrasion
resistance.
- Improves UV resistance, provides long-time color stability.
- No adverse effects on the heat resistance and mechanical properties
of cured materials.
Catalysts| Product | Generic Type | Appearance | Usage & Benefits |
|---|
| FEM-K54 | Tertiary amine | Yellowish to amber liquid | - 2,4,6-Tri (dimethylaminomethyl) phenol
- Act as epoxy homopolymerization catalysts
- Suitable for epoxy resins cured with a wide variety of hardener
types
- Application in adhesives and high performance composites
| | FEM-T18 | Modified amine | Colorless to light yellow transparent viscous liquid | - Modified amine, low odor, light color, and resistance to yellowing
- Can be used with a wide variety of hardener types, especially
suitable for polyether and aliphatic amine, also for polyamide and
mercaptan
- Use level: 1~3% of hardener, showing better promoting effect than
FEM-K54
| | FEM-T49 | Modified amine | Colorless to light yellow transparent viscous liquid | - Similar to FEM-T18- Better color and smell than FEM-T18
- Better stability at low temperature than FEM-T18
- Can be used at low temperature about -10°C
| | FEM-K50 | Modified amine | Colorless to light yellow transparent viscous liquid | - Specially modified Lewis Base, low odor, light color, and
resistance to yellowing
- Suitable for polyether and aliphatic amine, also for polyamide and
mercaptan
- Use level: 3~5% of hardener
| | FEM-EMZ | 2-Ethyl-4-methyl-imidazole | Yellowish viscous liquid | - Used with anhydrides, dicyandiamide to lower the curing temperature
and to improve the deformation resistance of epoxy at high
temperature, and chemical-resistance
- Use level: 2~7% of amine hardener
| | FEM-SA | Salicylic acid | White crystalline powder | - Widely used as accelerator compatible with epoxy resin and amine
curing agents, especially for aromatic amine like DDM
- Use level: 0.5~2% of amine hardener
| | FEM-TU | Thiourea | White crystalline powder | - Widely used as accelerator compatible with polyether &
aliphatic amine
- 2~3 times catalytic efficiency of FEM-SA
- Use level: 0.2~0.5% of amine hardener
|
Feiyang Products List Consult our engineers to customize a coating formulation for your
project. Contact our Tech Team COMPANY PROFILEFeiyang is deeply rooted in the basic amine raw material and
downstream curing agent industry, mastering three core
technologies: basic raw material synthesis, functional
modification, and low-toxicity and environmentally friendly
processes. This has enabled Feiyang to build a comprehensive epoxy
curing agent product system covering multiple fields and scenarios.
Leveraging its strong R&D capabilities in materials synthesis
and application research, Feiyang has established a customized
formulation design platform. Through a combination of AI simulation
and experimental verification, it can quickly respond to and
accurately match customer needs. Empowering product upgrades with
core technologies, Feiyang's epoxy curing agent series has
developed differentiated advantages in high performance, low odor,
environmental friendliness, and high customization, meeting diverse
application needs from basic industries to high-end manufacturing,
and providing customers with integrated professional services
encompassing technology, products, and solutions. Based on its strong R&D capabilities and core technologies,
Feiyang focuses on high-end material innovation, continuously
creating benchmark products with high stability and high
adaptability. Adhering to a customer-centric customized service
philosophy, it provides exclusive solutions for different
industries and application scenarios. With its comprehensive
product matrix, wide range of application scenarios, and
professional service capabilities, Feiyang continues to cultivate
the new materials field, building its reputation on technology and
quality, and is committed to becoming a trusted provider of
high-performance new materials solutions for global customers. Relying on its full-chain manufacturing capabilities, Feiyang can
provide customers with one-stop material solutions, setting a new
industry benchmark in the field of high-performance curing agents
with its solid technical and product strength. Supply 200+ Companies Globally
Feiyang R&D Team Key Advantages of Partnering with Us- Three plants, 60,000 square meters of production area, serving 200+
firms in 30+ countries.
- Factory-direct, economies of scale, 20,000-ton capacity, 30+ years
of industry experience.
- In-house R&D lab since 2004 with 40 engineers, offering custom
formulas and tech support.
- 84 Invention patents, 17 industry standards, ECOVADIS Silver
certified.
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or Send Us an Email: marketing@feiyang.com.cn, feiyangjunyan@gmail.com |
