7. Where, in actual use, the plastic material or article being tested is intended to be used for periods of less than 15 minutes at any temperature of not less than 70°C and not more than 100°C and such use is indicated by appropriate labelling or instructions, no test other than for 2 hours at 70°C shall be carried out on the plastic material or article unless the plastic material or article is also intended to be used for storage at room temperature, in which case no test other than for 10 days test at 40°C shall be carried out.
| Conditions of contact in worst foreseeable use | Test conditions |
|---|---|
(1) The period of time which represents the worst foreseeable conditions of contact. | |
(2) This temperature shall be used only for simulant D. For simulant A, B or C the test may be replaced by a test at 100oC or at reflux temperature for a duration of four times the time selected in accordance with paragraph 1 of this Part. | |
| Contact time: | Test time: |
| less than or equal to 5 minutes | (1) |
| >5 minutes but less than or equal to 0.5 hours | 0.5 hours |
| >0.5 hours but less than or equal to 1 hour | 1 hour |
| >1 hour but less than or equal to 2 hours | 2 hours |
| >2 hours but less than or equal to 4 hours | 4 hours |
| >4 hours but less than or equal to 24 hours | 24 hours |
| >24 hours | 10 days |
| Contact temperature: | Test temperature: |
| less than or equal to 5°C | 5°C |
>5°C but less than or equal to 20°C >20°C but less than or equal to 40°C >40°C but less than or equal to 70°C >70°C but less than or equal to100°C >100°C but less than or equal to 121°C >121°C but less than or equal to 130°C >130°C but less than 150°C >150°C | 20°C 40°C 70°C 100°C or reflux temperature 121°C (2) 130°C (2) 150°C (2) 175°C (2) |