What is PFI for pulp?
The Rycolab PFI Laboratory Mill is used in the laboratory for the beating of chemical pulps under standardized conditions and also for the desfibration of semi-digested raw material fibers.
What does Tappi mean?
Technical Association of the Pulp and Paper Industry
TAPPI means Technical Association of the Pulp and Paper Industry.
What is PFI mill?
The PFI mill is a beater featuring a high reproducibility, used for studying the relationship between beating degree of pulp and physical properties. This machine is basically an experimental beater widely used in the preparation stage of paper making.
What is PFI revolution?
The PFI mill revolutions of 2500 is the optimum to produce the strength of the Acacia crassicarpa pulp. Whereas the results of the study showed that optimum laccase conditions showed that laccase had the highest reaction rate (0.0018 mM/s) at 50oC.
How do you use a Tappi chart?
Insert the microscope slide containing the dirt specks onto the microscope stage. Adjust the light aperture and focus via TAPPI chart instructions. Take a picture of the spec with the camera to create a photomicrograph. Save the photomicrographic image as a GIF or JPEG file onto the camera’s memory card.
What is difference between ASME and ASTM?
Basically ASTM creates the material specifications and standard test methods to determine compliance. ASME selects those ASTM materials which will perform adequately in boiler or pressure vessel service and accepts them with stated limitations.
What are the lines on a Tappi chart?
Q: What do the lines on the chart correlate to? A: The lines/rectangles are provided for approximate visual comparison and are not measured. Q: What is TAPPI’s most popular inspection chart? A: The Size Estimation Chart is our most commonly purchased chart.
What are the three types of standards?
Basic standards. Normal standards. Current standards. Attainable (expected) standards.