Lapox® - Curing Agents
The Polymers division sells the following types of curing agents
Lapox® Curing Agents - Phenalkamines
| Name |
Mixing Ratio |
Amine Value mgms of koh/gm |
Viscosity @ 25 °C mPas |
Colour
Gardner |
Comments |
| Lapox® K-540 |
100 : 40 |
490-550 |
2000-4000 |
Max 15 |
Fast cure, cures at low temperature even in high humidity conditions , suitable for civil and coating applications. |
| Lapox® K-541 |
100 : 70 |
290-325 |
20000-35000 |
Max 15 |
Low solvent coatings, with excellent water resistance, cures at low temperature |
| Lapox® K-541 LV |
100 : 70 |
310-345 |
2000-4000 |
Max 16 |
Used in solvent free coatings. |
Lapox® Curing Agents - Aromatic Amines : Modified
| Name |
Mixing Ratio |
Viscosity @ 25 °C mPas |
Comments |
| Lapox® K-24 |
100 : 34 |
1500-3000 |
Convenient hardener for casting and laminating resin to obtain cured system of high heat distortion temperature |
| Lapox® K-41 |
100 : 60 |
3800-5800 |
Low reactive hardener for high chemical resistant, solvent free coating and floor toppings in combination with K-42 |
| Lapox® K-42 |
100 : 60 |
15000-21000 |
Same as for K-41. Used in combination with K-41 |
| Lapox® K-49 |
100 : 60 |
700-900 |
Low viscosity hardener for high chemical resistant solvent free coatings and floor toppings |
Lapox® Curing Agents - Aromatic Amines : Unmodified
| Name |
Softening Point |
Mixing Ratio |
Viscosity in mPas |
Comments |
| Lapox® K-5 |
88-92 |
100 : 27 |
——— |
4,4- diamino diphenyl methane used with casting and laminating resins for high heat distortion temperature |
| Lapox® XH -65 |
70-110 mPas At 80°C |
100:28 |
70-110 @80°C |
Lower melting range compared to other aromatic amines |
| Lapox® K-10 |
170-180 |
100 : 35 |
——— |
4,4 diamino diphenyl sulphone used mainly with laminating resins for making prepegs and flat laminates confirming to NEMA G-11 specifications |
| Lapox® 3, 3’ DDS |
170-180 |
100 : 35 |
——— |
3,3 diamino diphenyl sulphone |
| Lapox® K-450 |
——— |
100 : 34 |
2000-4000
@ 25°C
|
3,3’ diethyl 4,4’ diamino diphenyl methane. Liquid at room temperature. (has crystallization tendency, melts at mild heating) provided long potlife and Tg of 130-140 deg c with good mechanical and electrical properties. |
Lapox® Curing Agents - Linear Aliphatic Amines/Adducts
| Name |
Pot Life
(min) @25°C |
Mixing Ratio |
Viscosity @ 25°C CPS |
Comments |
| Lapox® K-7 |
20-30 |
100 : 10-12 |
< 10 |
General purpose reactive hardener with low vapor pressure |
| Lapox® K-6 |
20-30 |
100 : 10-12 |
< 10 |
General purpose reactive hardener with low vapor pressure |
Lapox® Curing Agents - Formulated Anhydrides
| Name |
Pot Life
(min) @25°C |
Mixing Ratio |
Viscosity @ 25°C CPS |
Melting Point(°C) |
Comments |
| Lapox® K-3 |
150-210* |
100 : 80 |
——— |
33 |
Used with castings and laminating resins and with suitable accelerator gives and tracking and UV resistance |
| Lapox® K-12 |
75-115 |
100 : 100 |
150-200 |
——— |
Used with c-17 by vacuum or pressure gelation, to be used with an accelerator suitable for class F insulation. |
| Lapox® K-68 |
120-180 |
100 : 80 |
200-350 |
——— |
Used with casting and laminating resins together with an accelerator to obtain high HDT |
| Lapox® K-61 |
65-95** |
100 : 80 |
1500-2500 |
——— |
Used with C-50 for casting by pressure gelation suitable for class H insulation. |
*At 140°C, **At 100°C
Lapox® Curing Agents - Cycloaliphatic Amines / Adducts & Polyaminoamides
We are the distributor of Air products in India for their cyloaliphatic amine based curing agents , polyaminoamides and water based epoxy systems etc . For more details about Air products, please visit www.airproducts.com.
Air Products offers numerous cyclo aliphatic curing agents to help epoxy formulators achieve the desired results. The greater areas of applications of Cyclo aliphatic curing Agents are in Tank linings, Chemical resistant floorings, maintenance coatings, secondary containment.
Cyclo aliphatic amine cured systems can offer resistance to aqueous solutions, resistance to solvents, and resistance to mineral acids comparable to aromatic amine cured system. Cyclo aliphatic curing agents offers good color stability, best resistance to carbamation, best overall chemical resistance, better water spotting and amine blush properties.
The special purpose Cyclo - aliphatic amine based curing agents for Civil Engineering applications are :
- Ancamine 1618 – Low viscosity , Non yellowing, High gloss with overall Chemical resistance.
- Ancamine 2280 – Low Viscosity, Very good resistance to a wide range of acids, solvents and alcohols.
- Ancamine 2432 – Phenol free , low viscosity rapid cure chemical resistant.
- Ancamine 2143 – Excellent color and color stability, High gloss , non blushing. Good carbamation resistance , low temp resistance 5-10 deg c.
- Ancamine 2423 – Best Resistance to Organic Acids, fast Development of properties at Ambient temperature.
- Ancamine 2515 – Low Viscosity and rapid development of physical properties at ambient temperature and low temperatures up to 10 deg c.
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