NPD-DCardboard durability testerIt is a basic instrument for testing the strength performance of paper and cardboard, and its various performance parameters and technical indicators meet the requirementsThe standards and requirements of ISO2759 "Paperboard - Determination of Bursting Strength", GB1539 "Determination of Bursting Strength of Paperboard", ISO2758 "Paper - Determination of Bursting Strength", and GB454 "Determination of Bursting Strength of Paper" are applicable to the burst strength test of various types of paper and paperboard.

This instrument is easy to operate, reliable in performance, and has good technology. It is an ideal equipment that is indispensable for scientific research institutions, paper manufacturers, packaging industries, and quality inspection departments.

Product Features:

1. The overall design is simple and compact, with the characteristics of small volume and light weight;

2. Adopting synchronous motor transmission. Smooth and accurate transmission, making the output pressure more accurate;

3. This machine is equipped with a printer to minimize the interference of human factors in experimental data.

Technical Indicators:

1. Measurement range: 250-6000Kpa

2. Clamping force between upper and lower clamps:>690 Kpa

3. Pressure oil delivery speed: 170 ± 15ml/min

4. Adhesive resistance: 170-220 Kpa when the protrusion height is 10 mm

protrusion height250-350 Kpa at 18mm

5. Overall accuracy: Level 1 (resolution: 1 Kpa)

6. Accuracy of indication: ± 0.5% F.S

7. Hydraulic system sealing: At the upper limit of measurement, the pressure drop within 1 minute is less than 10% Pmax

8. Sample clamping ring size: upper and lower clamping ring aperture diameter of φ 31.5 ± 0.05mm

10. Motor power: 90W

11. Dimensions (mm): 500 × 250 × 250

12. Power supply: 220V ± 10% 50Hz

13. Mass: 65kg

national standard:ISO2759，GB/T1539，ISO2758，GB/T454

label:Paper board durability tester NPD-D