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HMG Knowledge Base
CrystalSeal Resistance
The following information is based on laboratory tests and to best of our knowledge is accurate. However, it is recommended that customers satisfy themselves as to the performance under specific service conditions.
| % Conc | Appearance after washing with water and drying | ||
|---|---|---|---|
| Industrial Chemicals | |||
| Acetic Acid | 10.0 | Moderate softening | Recovers |
| Acetic Acid | 50.0 | Severe softening, severe blistering | No Recovery |
| Ammonium | 10.0 | Slight softening and pimpling | Recovers |
| Hydroxide | 28.0 | Slight softening | Recovers |
| Calcium Chloride | 50.0 | No effect | |
| Calcium Hydroxide | 20.0 | Slight softening | Recovers |
| Citric Acid | 70.0 | No effect | |
| Ferrous Sulphate | 10.0 | Slight swelling | Recovers |
| Hydrochloric Acid | 18.5 | Slight softening | Recovers |
| Hydrochloric Acid | 37.0 | Moderate softening | No Recovery |
| Lactic Acid | 10.0 | Slight softening | Recovers |
| Lactic Acid | 100 | Severe softening, severe blistering | No Recovery |
| Nitric Acid | 10.0 | Slight softening | Recovers |
| Nitric Acid | 50.0 | Slight softening | Recovers |
| Peracetic Acid | 3.0 | Slight softening | Recovers |
| Phosphoric Acid | 2.0 | Slight softening | Recovers |
| Sulphuric Acid | 33.0 | No effect | |
| Sulphuric Acid | 50.0 | Moderate softening | Recovers |
| Sodium Chloride | 10.0 | Slight softening | Recovers |
| Antifreeze* | 50.0 | No effect | |
| Brake Fluid* | Severe softening | No Recovery | |
| Formaldehyde | 40.0 | Slight softening | Recovers |
| Petrol | No effect | ||
| Glycerine | No effect | ||
| Motor Oil* | No effect | ||
| Transmission Fluid* | Slight softening | Recovers | |
| Windscreen Washer | No effect | ||
| Cleaning Materials | |||
| Bleach Solution* | Slight softening | Recovers | |
| Detergent Solution* | 0.25 | Slight softening | Recovers |
| Domestic Chemicals | |||
| Coca Cola* | No effect | ||
| Ink* | No effect | ||
| Tea* | No effect | ||
| Mustard* | Slight discoloration | ||
| Nail Polish Remover* | Considerable softening | Recovers | |
| Shoe Polish * | Moderate discoloration | ||
| Urine* | No effect | ||
| Worcester Sauce* | Slight discoloration | ||
| Solvents | |||
| Acetone | Considerable softening | Recovers | |
| Ethanol | 50.0 | Moderate softening | Recovers |
| Ether | No effect | ||
| Isopropanol | Severe softening, severe blistering | No Recovery | |
| Perchloroethylene | Slight softening | ||
| Methylene Chloride | Softening | ||
| White Spirit | No effect | ||
| Xylene | Slight softening | Recovers | |
Physical Resistance
| Physical Resistance | As supplied | Catalysed with 1% accelerator | |
|---|---|---|---|
| Tack free | hours | 1.5 | 0.75 |
| Hard | hours | 2.0 | 1.0 |
| Hard | 1 hour | Tacky | 8 |
| Hard | 2 hours | 10 | 12 |
| Sward | 4 hours | 16 | 26 |
| Hardness | 1 day | 44 | 52 |
| Hardness | 3 days | 50 | 52 |
| Hardness | 1 week | 54 | 54 |
Elasticity
Abrasion resistance (Taber/Wheel CS17/1000g load/1000 cycles), weight loss 21mg.Results of florida exposure testing
2 coats onto aluminium panel and exposed for 6 months.| General Appearance | No change |
|---|---|
| Cracking | No change |
| Colour | No change |
| Gloss | No change |
| Dirt | No change |