Paper Testing Instruments
Offering a broad selection of paper testing instruments, Valtec supports detailed quality analysis.
Burst Strength Tester
Function of Machine
The 4-Point Bending Tester measures the bending stiffness of corrugated board and heavy paperboard rapidly and accurately
Item | VK-A504-2/B |
Capacity | Low pressure-0~12kgf/cm^2(0.1kgf/cm^2) High pressure- 5~45kgf/cm^2(0.1kgf/cm^2) |
Operation Method | Touch Screen /Computer Control (Optional) |
Inner diameter of Upper clamp ring | L- Φ30.5±0.1mm H- Φ31.5±0.1mm |
Inner diameter of Lower clamp ring | L- Φ33.1±0.1mm H- Φ31.5±0.1mm |
Pressurization Speed | L- 95±5ml/min H- 170±15ml/min |
Hydraulic oil | 100% silicone oil |
Required Air Source | ≥0.6Mpa(User-supplied) |
