Meeting the standard:
ISO 5627 Paper and board – Determination of smoothness (Buick method)
GB/T 456 “Paper and board smoothness determination (Buick method)”
Technical Parameters:
1. Test area: 10±0.05cm2.
2. Pressure: 100kPa±2kPa.
3. Measuring range: 0-9999 seconds
4. Large vacuum container: volume 380±1mL.
5. Small vacuum container: volume is 38±1mL.
6. Measurement gear selection
The vacuum degree and container volume changes in each stage are as follows:
I: with a large vacuum container (380mL), the vacuum degree change: 50.66kpa ~ 48.00kpa.
Second: with a small vacuum container (38mL), the vacuum degree change: 50.66kpa ~ 48.00kpa.
7. Thickness of rubber pad: 4±0.2㎜ Parallelism: 0.05㎜
Diameter: not less than 45㎜ Resilience: at least 62%
Hardness: 45±IRHD(International rubber hardness)
8. Size and weight
Size: 320×430×360 (mm),
Weight: 30kg
9.Power supply:AC220V、50HZ