No.149
STRESS-CRACKING TESTER
Overview of STRESS-CRACKING TESTER
This tester is used to test the constant strain environmental stress cracking of plastic.
The testing method is to fix the notched test specimen to the test specimen holding jig and dipping it into a test tube that is filled with test liquid adjusted at 50°C.
The operator is to observe the time it required for the stress crack to arise.
Reference Standards
JIS K6922-2, Z1703, ASTM D1693, ISO 1872-2
Specification
| Specifications are subject to change without notice. | |
|---|---|
| Specimen | W13 ± 0.8 mm, L38 ± 2.5 mm, T3 mm or 2 mm |
| Notching Jig | Notch Depth 0.5 mm, 0.3 mm, Notch Length 19.1 ± 0.1 mm |
| Bending Jig | 1 set |
| Transfer Jig | 1 set |
| Accessories | Test Tube (Outer φ30 × 200 mm)…5 sets each Cork Cap…5 sets each , Aluminum Foil…5 sets each Specimen Fixing Jig: 5 sets each |
| Dimensions/ Weight (Approx.) | W320 × D50 × H65 mm/ 2.5 kg (Notching Jig) |
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