The sponge repeated compression tester is suitable for measuring thickness reduction and hardness reduction of porous elastic materials used for interior decoration. Manufactured in accordance with relevant GB and ISO standards, it meets domestic and foreign trade requirements of enterprises.
Place a square shaped specimen on the lower platform of the tester. An indenter with a smaller area than the specimen repeatedly indents the specimen. The maximum load is reached within each specified impact cycle. Evaluate the specimen performance after a given number of cycles.
| Standard No. | Standard Name | Clause |
|---|---|---|
| * GB/T 18941 | Polymeric porous resilient materials — Determination of impact fatigue at constant load | Refer to full text |
| ISO 3385 | Flexible cellular polymeric materials — Determination of impact fatigue at constant load | Refer to full text |
| QB/T 2819‑2006 | Flexible cellular materials — Determination of long‑term fatigue properties | Refer to full text |
| Item | Specification |
|---|---|
| Test Speed | 70±5 cycles/min, adjustable range: 0‑110 cycles/min |
| Specimen Load | 750±20N (standard), adjustable range: 0‑2000N |
| Indenter | Diameter: Φ250mm, lower‑edge fillet: R25mm |
| Compression Depth | 0‑50mm adjustable |
| Specimen Thickness | 0‑90mm |
| Lower Platen Area | 430mm × 430mm |
| Power Supply | AC 220V 50Hz 5A |
1. 【Easy Operation】It features simple operation and low routine maintenance. It can run automatically until test completion or specimen failure.
2. 【Quiet Operation】Fitted with well known brand motor and planetary reducer as well as branded sensor to ensure accurate test data. The enclosed test chamber reduces operating noise by nearly 70%.
3. 【Adjustable Test Speed】Test speed can be adjusted via control panel within 0-110 cycles/min (standard: 70±5 cycles/min).
4. 【Adjustable Compression Depth】Compression depth is adjustable from 0-50mm to adapt to specimens of different hardness.
5. 【Adjustable Load】Specimen load is adjustable via control panel within 0-2500N (standard: 750±20N).
6. 【Multi standard Test】Manufactured in compliance with relevant GB and ISO standards to meet domestic and foreign trade requirements.
7. 【Automatic Force value Compensation】The automatic force value compensation function improves test efficiency.
8. 【Instrument Abnormal Protection】
Power off Protection: Current test data is saved upon power failure. Previous test data can be reviewed or the test can be resumed after power on.
Force value Protection: Limits the force range of specimen. The instrument stops for protection once exceeding preset force value.
9. 【Stable Support & Easy Movement】Equipped with level adjustable caster feet, the instrument features flexible movement and convenient adjustment with heavy load capacity. It integrates functions of fixed support, level adjustment, movement and shock absorption.
10. 【TST Control System】Test cycles can be arbitrarily set within 0-999999. The unit stops automatically upon reaching preset cycles. Test results are auto saved in case of intermediate stop or power cut. Intelligent alarm is triggered for abnormalities or test completion.
11. 【Test Data Export】Supports USB flash disk data export. Connect USB drive to the instrument to export test data.
1. Auxiliary Tools
(1) Sample cutter (User supplied)
(2) Sponge indentation hardness & stress tester (User supplied)
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