Zepoxy REH 460
Zepoxy REH 460 is a cycloaliphatic modified phenalkamine, medium-viscosity epoxy
curing agent designed for superior performance in challenging environments.
It offers excellent chemical resistance, outstanding adhesion, and the ability
to cure even under water or in highly humid conditions.
Zepoxy REH 460 cycloaliphatic modified phenalkamine medium viscous, hardener is a next-generation epoxy curing agent designed for superior performance in challenging environments. It offers excellent chemical resistance, outstanding adhesion, and the ability to cure even under water or in highly humid conditions.
APPLICATIONS
- Marine, offshore structures
- Underwater Curing systems
- Industrial plants & Chemical tanks
- Old concrete to new concrete bonding
- Heavy duty protective coating
BENEFITS
- Excellent chemical resistance
- Underwater & high-humidity curing
- Excellent adhesion to substrates
- Excellent corrosion protection
- Good flexibility and impact resistance
TECHNICAL DATA
| Property |
Test Method |
Result |
| Appearance |
visual |
clear, red to brown liquid |
| *Color |
ASTM D 1544-04 |
15 G max |
| *Amine value |
ASTM D 1652 |
220 - 240mg KOH/g |
| *Viscosity @ 25°C |
ASTM D 2196-05 |
10000 – 20000 cps |
| Odor |
- |
Amine |
| *AHEW |
- |
160 |
| Mix ratio with Zepoxy RER 128 |
- |
100:80 |
| *Gel time (300g mass) at 25°C |
- |
40-80 min |
| *Flash Point |
- |
>102°C |
*Typical results under laboratory conditions.
PACKAGING
Zepoxy REH 460 is available as follows:
1 KG, 5KG, 15KG, 30KG, and 200KG
HEALTH AND SAFETY
Dispose containers of the materials as per local laws, rules, and regulations. Use gloves, safety masks
and other safety apparel as per health and safety laws. For further assistance, please refer to the
MSDS of the product for further health and safety information.
CHEMICAL RESISTANCE CHART
| Chemical Name |
Concentration (%) |
Exposure Duration |
Resistance Rating |
Remarks |
| Hydrochloric Acid |
Pure |
14 Days |
Excellent |
No change in hardness & weight |
| Phosphoric Acid |
Pure |
14 Days |
Good to moderate |
Surface slightly softened; negligible weight gain. |
| Phosphoric Acid |
50% |
14 Days |
Good |
Slightly change in hardness & weight |
| Phosphoric Acid |
20% |
14 Days |
Excellent |
No change in hardness & weight |
| Sulfuric Acid |
Pure |
14 Days |
Poor |
Complete loss of mechanical integrity. |
| Sulfuric Acid |
50% |
14 Days |
Good to moderate |
Surface slightly softened; negligible weight gain. |
| Sulfuric Acid |
20% |
14 Days |
Excellent |
No change in hardness & weight |
| Hydrogen Peroxide |
Pure |
14 Days |
Excellent |
No change in hardness & weight |
| Lactic Acid |
Pure |
14 Days |
Poor |
Complete loss of mechanical integrity. |
| Lactic Acid |
50% |
14 Days |
Fair to Poor |
Surface softened; weight increase due to swelling. |
| Lactic Acid |
20% |
14 Days |
Good |
Very slightly change in hardness & weight |
| Nitric Acid |
Pure |
14 Days |
Poor |
Complete loss of mechanical integrity. |
| Nitric Acid |
20% |
14 Days |
Good |
Slightly change in hardness & weight |
| Sodium Hydroxide |
50% |
14 Days |
Excellent |
No change in hardness & weight |
| Sodium Hypochlorite |
35% |
14 Days |
Excellent |
No change in hardness & weight |
| Acetic Acid |
Pure |
14 Days |
Poor |
Complete loss of mechanical integrity. |
| Acetic Acid |
10% |
14 Days |
Fair to Poor |
Surface softened; weight increase due to swelling. |
| Ammonia Solution |
20% |
14 Days |
Excellent |
No change in hardness & weight |
| IPA |
Pure |
14 Days |
Excellent |
No change in hardness & weight |
| Xylene |
Pure |
14 Days |
Excellent |
No change in hardness & weight |
| Mineral Spirit |
Pure |
14 Days |
Excellent |
No change in hardness & weight |
