Your Shopping Cart
RESISTANCE OF PAPER TO PASSAGE OF AIR (HIGH-PRESSURE GURLEY METHOD)
Format: PDF
Language: English
Product Type: Digital
Provider: TAPPI
Shipping: Available for download - Link will be provided in My ComplianceOnline section
Language: English
Product Type: Digital
Provider: TAPPI
Shipping: Available for download - Link will be provided in My ComplianceOnline section
Price:
$53.00
Product Details
This method is used to measure the air resistance of approximately 6.4 sq. cm. (1 sq. in.) circular area of paper using a pressure differential of approximately 3 kPa. The recommended range of this instrument is for papers that require 10 or more seconds for 10 mL of air to pass through. Refer to the manufacturer's instructions for the upper range limits. For more permeable papers, other techniques are preferable. Instruments are available with automatic timing devices.
This method measures the time it takes for a given volume of air to pass through the test specimen, along with any possible leakage of air across the surface; therefore it is unsuitable for rough-surface papers which cannot be securely clamped so as to avoid significant surface and edge leakage.
For a similar method of measuring air resistance that tests paper at a lower pressure (approx. 1.22 kPa), and has higher volume capabilities, refer to TAPPI T 460 “Air Resistance of Paper.” For a similar method of measuring air permeance at pressures up to 9.85 kPa, using both smaller and larger test areas, refer to TAPPI T 547 “Air Permeance of Paper and Paperboard (Sheffield Type).”
Customers Also Bought
- pH and electrical conductivity of hot water extracts of pulp, paper, and paperboard
Price: $53 BUY NOW - CUPRIETHYLENEDIAMINE DISPERSE VISCOSITY OF PULP (FALLING BALL METHOD)
Price: $53 BUY NOW - WATER-SOLUBLE SULFATES IN PULP AND PAPER
Price: $53 BUY NOW - WATER-SOLUBLE CHLORIDES IN PULP AND PAPER
Price: $53 BUY NOW - BASIC DENSITY AND MOISTURE CONTENT OF PULPWOOD
Price: $53 BUY NOW - Fines fraction by weight of paper stock by wet screening
Price: $53 BUY NOW
You Recently Viewed