Comparison of major doming resins
| SurACer® 4450 | Polyurethane | Epoxy resins |
| Curing | ||
| UV-curable within minutes curing processes not affected by humidity |
air-drying, slowly, up to several hours at room temperature in a ventilated area place of work is absolutely necesary, xuring affected by humidity |
air-drying, slowly, up to several hours at room temperature in a ventilated area place of work is absolutely necesary, xuring affected by humidity |
| Flexibility | ||
| high flexibility | high flexibility | hard elastic, no flexibility |
| Outdoor use | ||
| suitable for outdoor use doming product is resistant to weather and UV light |
suitable for outdoor use doming product is resistant to weather and UV light |
not suitable for outdoor use doming product is not resistant to UV light, prone to discolouring |
| Handling | ||
| very long open time (5 days) material is available as two components or ready mixed low technologoy requirements for mixing and application processes |
very short open time (minutes only) material is only supplied as two components costly in technology, investment and expenditure |
very short open time (minutes only) material is only supplied as two components costly in technology, investment and expenditure |
| Health and safety during process | ||
| nontoxic constituents, harmless to humans contains no hazardous materials, can be safely stored and transported |
toxic constituents main constituents are isocyanates of acute toxicity treat as hazardous material for storage and transportation |
toxic and corrosive constituents main constituents are epoxies with properties hazardous to health may cause skin irritation |
| Disposal | ||
| no environmental pollution standard commercial waste disposal |
heavy environmental pollution hazardous waste disposal at additional cost |
environmental pollution hazardous waste disposal at additional cost |
| Profitability | ||
| low investment costs for both manual or industrial- scale doming | low costs for manual doming high investment costs for industrial manufacture additional costs for storage and clean-up |
low costs for manual doming high investment costs for industrial manufacture additional costs for storage and clean-up |