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| Purpose |
Accelerated weather resistance test was carried out on test pieces of polyvinyl choloride used for Slimduct SD and the change of mechanical characteristics was checked with testing time. |
| Test Items Practiced |
The accelerated weather resistance test was carried out for 2,000 hours and following characteristics of test pieces were measured at every 200 hours.
1) Tensile Strength
2) Bending Maximum Stress |
| Test Pieces |
1) For Tensile Strength : According to JIS K-6745
2) For Bending Maximum Strength : According to JIS K-7203 |
| Testing Device |
1) Accerelated Weather Resistance Testing Device.
Sunshine Carbon Weather Meter Condition of Irradiation According to JIS D-0205
2) Strength Testing Instrument
Universal Tester
*Both Device/instrument are in Industrial Testing Laboratory in Kyoto |
