Our line of Epoxy Novolac Resins and Low Viscosity Epoxy Novolac Resins offers the reliability, protection, and performance backed by the comprehensive sales and technical service Only Olin can provide, virtually anywhere in the world.
| Product Name & Description | Type | EEW Based on solids (g/eq) | Viscosity @25°C (mPa.s) | Solids Content (wt%) | Regional Availability
APAC - Asia, Pacific
EMEAI - Europe, Middle East, Africa, India LAA - Latin America Area NAA - North America Area |
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D.E.N.® 424
Approximately 2.4 functional low viscosity liquid epoxy novolac resin. D.E.N. 424 fills the gap between the standard Bisphenol F based liquid epoxy resin and multifunctional, low viscosity epoxy novolac resin D.E.N 425. Compared to standard Bisphenol A and Bisphenol F based liquid epoxy resins, D.E.N. 424 produces an improved crosslinked system, which enables better thermal and chemical resistance with a low viscosity that is necessary for easy processing and application. |
Epoxy Novolac Resins | 165 – 175 | 5,700 – 6,800 | – | APAC, EMEAI, LAA, NAA | – |
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D.E.N.® 425
Approximately 2.5 functional liquid epoxy novolac resin bridging between standard liquid epoxy resin and semi-solid epoxy novolac resins. When used in combination with a fast curing agent no post-cure is required and binder systems are obtained with excellent mechanical and especially solvent resistance properties. |
Epoxy Novolac Resins | 169 – 175 | 9,500 – 12,500 | 100 | APAC, EMEAI, LAA, NAA | – |
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D.E.N.® 426
Approximately 2.6 functional medium viscosity liquid epoxy novolac resin. D.E.N. 426 fills the gap between lower viscosity epoxy novolac resins such as D.E.N. 424 and higher viscosity epoxy novolac resins such as D.E.N. 431 and D.E.N. 438. When using D.E.N. 426 with carefully selected curing agents, the system provides faster thin film drying time at ambient temperature and has better resistance to chemicals such as acetic acid, toluene, and methanol. |
Epoxy Novolac Resins | 167 – 177 | 18,000 – 23,000 | – | APAC, EMEAI, LAA, NAA | – |
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D.E.N.® 428
Multi-functional (±2.8) epoxy novolac resin of lower viscosity compared to the higher viscosity epoxy novolac epoxy resin D.E.N. 431. In addition to improved processing of this medium viscosity novolac resin, D.E.N. 428 is distinguished by particularly good thermal resistance, chemical resistance, and mechanical properties. With these characteristic properties, D.E.N. 428 is suitable for applications such as protective coatings or linings for storage tanks, pipes, and pumps. |
Epoxy Novolac Resins | 168 – 178 | 35,000 – 45,000 | – | APAC, EMEAI, LAA, NAA | – |
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D.E.N.® 431
Multi-functional (±2.8) epoxy novolac resin of lower molecular weight for application where solvents cannot be tolerated and application viscosity (temperature) needs to remain relatively low. Used in adhesives, electrical and structural laminates and castings for elevated temperature service and excellent chemical resistance. |
Epoxy Novolac Resins | 172 – 179 | 1,100 – 1,700 (1) | 100 | APAC, EMEAI, LAA, NAA | 1 at 51.7°C |
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D.E.N.® 431 EK98
Solution of D.E.N. 431 in methyl-ethyl ketone® |
Epoxy Novolac Solutions | 172 – 179 | 5,000 – 25,000 | 98 | NAA | – |
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D.E.N.® 438®
Highly functional (±3.6) epoxy novolac resin offering best mechanical, temperature and chemical resistance performance with acceptable viscosity. Recognized as a standard for high-temperature applications. |
Epoxy Novolac Resins | 176 – 181 | 31,000 – 40,000 (1) | 100 | APAC, EMEAI, LAA, NAA | 1 at 51.7°C |
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D.E.N.® 438-A85
Solution of D.E.N. 438 in acetone mainly for laminating or Prepreg applications. |
Epoxy Novolac Solutions | 176 – 181 | 500 – 1,200 | 84 – 86 | APAC, EMEAI, LAA, NAA | – |
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D.E.N.® 438-EK85
Solution of D.E.N. 438 in methyl-ethyl ketone mainly for laminating or Prepreg applications. |
Epoxy Novolac Solutions | 176 – 181 | 600 – 1,600 | 84 – 86 | APAC, EMEAI, LAA, NAA | – |
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D.E.N.® 438-MAK80
Solution of D.E.N. 438 in methyl n-amyl ketone mainly for laminating or Prepreg applications. |
Epoxy Novolac Solutions | 176 – 181 | 600 – 1,200 | 79 – 81 | NAA | – |
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D.E.N.® 438-MK75
Solution of D.E.N. 438 in methyl iso-butyl ketone mainly for laminating or Prepreg applications. |
Epoxy Novolac Solutions | 176 – 181 | 200 – 600 | 74 – 76 | NAA | – |
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D.E.N.® 438-MK80
Solution of D.E.N. 438 in methyl iso-butyl ketone mainly for laminating or Prepreg applications. |
Epoxy Novolac Resins | 176 – 181 | 800 – 1200 | 80 | LAA, NAA | – |
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D.E.N.® 438-X80
Solution of D.E.N. 438 in Xylene. Main use in wet-paint systems with high temperature or chemical resistance requirements. |
Epoxy Novolac Solutions | 176 – 181 | 1,200 – 2,000 | 79 – 81 | APAC, EMEAI, LAA, NAA | – |
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D.E.N.® 438L
Low(er) viscosity version of D.E.N. 438 epoxy novolac resin to allow higher solids and/or lower viscosity formulations. |
Epoxy Novolac Resins | 176 – 181 | 27,500 – 32,500 (1) | 100 | APAC, EMEAI, LAA, NAA | 1 at 51.7°C |
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D.E.N.® 439
Highly functional (±3.8) epoxy novolac resin with improved reactivity. The higher viscosity offers a means of obtaining good drape and limited tack in Prepreg formulations. |
Epoxy Novolac Resins | 191 – 210 | 15,000 – 35,000 (2) | 100 | APAC, EMEAI, LAA, NAA | 2 at 71°C |
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D.E.N.® 439-EK85
Solution of D.E.N. 439 in methyl-ethyl ketone mainly for laminating or Prepreg applications. |
Epoxy Novolac Solutions | 191 – 210 | 4,000 – 10,000 | 84 – 86 | NAA | – |
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D.E.N.® 439-H
Highly functional epoxy novolac resin with lower processing variability. |
Epoxy Novolac Resins | 191 – 210 | 23,000 – 29,000 (2) | 100 | NAA | 2 at 71°C |
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D.E.N.® 440
Extremely high functional (± 4.4) epoxy novolac resin. Offers highest performance in this product group with regards to mechanical, temperature and chemical resistance properties. |
Epoxy Novolac Resins | 186 – 192 | 20,000 – 45,000 (2) | 100 | APAC, EMEAI, LAA, NAA | 2 at 71°C |
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DLVNE® 59
Multi-functional (+/- 2.6) Ultra Low Viscosity Novolac resin modified with a Cycloaliphatic polyglycidyl ether (free of any organic solvent) for high solids coating formulations with low volatile organic compound (VOC) emissions. Balance of properties similar to solvent borne Novolac. |
Ultra Low Viscosity Epoxy Novolac Resins | 160 – 175 | 2,000 – 4,000 | 100 | APAC, EMEAI, LAA, NAA | – |
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DLVNE® 61
Multi-functional (+/- 3.1) Ultra Low Viscosity Novolac resin modified with a Cycloaliphatic polyglycidyl ether (free of any organic solvent) that facilitate high solids coating formulations with low volatile organic compound (VOC) emissions, improved application, strong chemical and thermal resistance. |
Ultra Low Viscosity Epoxy Novolac Resins | 155 – 170 | 4,500 – 6,500 | 100 | APAC, EMEAI, LAA, NAA | – |
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XU 19651
Blend of D.E.N. 438 and difunctional reactive diluent for easier handling for flooring and grouts. |
Epoxy Novolac Resins | 145 – 158 | 300 – 500 | 100 | LAA, NAA | – |
