Bekk Smoothness Tester for Paper Surfaces
| Product code | CMI-IND-0091 |
| Categories | Paper Testing Instruments |
| Standards | Manufactured to IS / BS / EN / ASTM / AASHTO as applicable |
| Supply | India and export — 90+ countries |
- Description
Vacuum decay smoothness tester that measures the time for air to leak between paper and a polished glass plate. Used for printing and writing paper surface quality control.
Specification
A paper specimen is pressed against a ring-shaped glass surface at constant pressure, and the time for vacuum to drop from 50.7 to 48.0 kPa is measured as Bekk seconds. Longer times indicate a smoother paper. It offers quick evaluation of calendering and coating results.
Features
- Optical glass plate 37.4 mm ring land
- Vacuum chamber of 380 ml and 38 ml
- Automatic timing with sensors
- Adjustable pressure of 100 kPa on specimen
- Digital display of Bekk seconds
Technical Specifications
| Measuring range | 1 to 1000 s (0.5 to 1000 with small vessel) |
| Specimen size | 50 x 50 mm minimum |
| Contact pressure | 100 +/- 2 kPa |
| Vacuum change | 50.7 to 48.0 kPa |
| Resolution | 0.1 s |
| Standards | ISO 5627, TAPPI T 479, JIS P 8119 |
| Power supply | 230 V AC, 50 Hz |
Standard Accessories
- Rubber pressing plate
- Vacuum pump
- Glass plate
Bekk Smoothness Tester for Paper Surfaces suppliers in India
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