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Sunday, May 26th, 2019  
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WDDG - Water Vapour Permeability Tester

You can use the WDDG to determine the WVTR (of up to 10 g/m2 d) for your specimen. The sample is put between the top and bottom part of the permeation cell. A constant water-vapour pressure (RH) is adjusted in the upper part of the permeation cell using saturated saline or defined sulphuric acid solutions. The carrier ... more

 Sealed Charts & Cards
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Checkerboard Charts / Spreading Rate Charts

One of the earliest hiding power test surfaces was linoleum with a black and white checkerboard pattern. This was soon replaced by sealed paperboard charts of which Forms 10H and 10H-BG Spreading Rate Charts are typical examples. Designed for brushout tests at specified spreading rates such as in ASTM Method D 344 and Canadian 1-GP-71, they are also used for drawdown applications like their smaller counterparts Forms 10A and 10B. Black and gray squares in Form 10H-BG provide reduced contrast for testing coatings with lower hiding power.

Spreading Rate Charts

Design Area = 1.076 ft2 (1000 cm2

Form 10A 5-1/2 x 10 in 140 x 254 mm Design Area = 275 cm2 Form 10B 7-5/8 x 11-3/8 in 194 x 289 mm Design Area = 425 cm Form 10H 11-1/4 x 17-1/4 in 286 x 438 mm
Form 10H-BG
11-1/4 x 17-1/4 in
286 x 438 mm

 Printable Version (View: 2097 | Print: 686)

Opacity Charts
Penopac and Penetration Charts
Display Charts / Spreading Rate Charts
Opacity-Display Charts / Spreading Rate Charts

Spreading Rate Charts
Duplex Applicator Charts
Brushout Cards
Plain White Cards / Plain White Charts
Plain Black Charts

Application Equipment
Metal Panels
Printing Ink & Paper
Sag & Laveling
Scrub Resistance
Sealed Charts & Cards
Special Substrates
Unsealed Test Charts
Sentra Niaga Puri Indah Blok T3-10
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