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| Criteria | Polyurethane | Epoxy Powder Coat | GLS Coatings |
|---|---|---|---|
| Curing Times | Slow | Hours | < 10 Seconds |
| Moisture Ingress | Yes | Yes | No |
| Elongation | 600% | Brittle | 700% |
| UV Colour Stability | Yellowing with age | Yellowing with age | 100% UV colour stable |
| Abrasion Resistant | Average | Good | Extremely good |
| Tensile Strength | Good | Average | Good |
| Chemical Resistance | Good | Good | Extremely good |
| VOC Free | No | No | Yes |
| Temperature Resistance | -30°C to +140°C | -20°C to +110°C | -50°C to +150°C |
| Seamless | No | No | Yes |
| Durability | Good | Average | Excellent 25 Years |
| Chemical | 12 Month Exposure |
|---|---|
| Methanol | Slight swelling, < 48 hours |
| Brake Petroleum | Slight surface change, no softening |
| Diesel fuel | No visible damage |
| Toluene | Slight swelling, < 24 hours |
| MTBE | Slight surface change |
| 5% MTBE/Petroleum | Slight surface change |
| Motor oil | Slight surface change, no softening |
| Hydraulic fluid | Slight surface change, no softening |
| 2-methylbutane | Slight surface change |
| Water-room temperature | No visible damage |
| 10% NaCl / Water-room temperature | No visible damage |
| 10% NaCl / water 50°C, 14 days | No visible damage |
| 10% sugar / water | No visible damage |
| Sulphuric acid 5% | No visible damage |
| Sulphuric acid 10% | No visible damage |
| Sulphuric acid 3%, 50°C, 14 days | No visible damage |
| Hydrochloric Acid 5% | No visible damage |
| Hydrochloric Acid 10% | No visible damage |
| Phosphoric Acid 10% | No visible damage |
| Ammonium Hydroxide 10% | No visible damage |
| Ammonium Hydroxide 20% | No visible damage |
| Ammonium Hydroxide 50% | Slight surface discolor, no softening |
| Sodium Hydroxide. 1%, 50°C, 14 days | Slight surface discolor, no softening |
| Potassium Hydroxide 10% | No visible damage |
| Potassium Hydroxide 20% | Slight surface discolor, no softening |
| Acetic acid 10% | No visible damage |
Note: These results do not pertain to a specific formulation of polyurea, and should not be construed as specific test data for all types; however, these are respresentative results for 100% solids aromatic, plural-component pure polyurea. Consult with GLS Coatings for product-specific test results.
| Chemical | Aliphatic | Aromatic |
|---|---|---|
| Acetone | A | A |
| Brake fluid | B | C |
| Clorox | NR ¹ | A |
| Dimethyl Formamide | NR | NR |
| Hexane | A | A |
| Petroleum, unleaded | A | A |
| Hot tub water 2 | B | A |
| Hydraulic oil | A | C |
| Methanol | A | A |
| 5% Methanol/Petroleum | A | C |
| Propylene carbonate | C | C |
| Sodium hydroxide, 5% 10% 25% 50% |
A A A B ¹ |
A A A B ¹ |
| Sulfuric acid, 5% 10% 50% Concentrate |
A B NR NR ³ |
B B NR NR ³ |
| Motor oil | B | B ¹ |
| Vinegar, 5% acetic acid | A | B |
| Water | A | A |
A - No visible damage
B - Little visible damage
C - Some effect - swelling,
discoloration, cracking
NR - Not recommended
¹ - Some discoloration only
² - Brominated water
³ - Less than 24 hour exposure
GLS Specialist Protective Coatings are extremely hard wearing and are typically used in the following environments:
Our industrial coatings are non-slip, tested in accordance with BS 7976-2:2002 and EN 1341:2001 and are available in a variety of colours. They can be applied from 1mm to any required thickness.
