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All Categories > Sealed Charts and Cards for Coatings Tests > Opacity-Display Charts/Spreading Rate Charts > 21B  
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Form 21B Opacity-Display Chart






Form 21B is a black and white sealed opacity-display chart. The top most area is white, then black and then strip with overall dimensions of 7-5/8 x 11-3/8 in (194 x 289 mm).





 Specifications   

Color

Black & White

Size

7-5/8 x 11-3/8 in
194 x 289
mm

Box Quantity

250

Boxes per Case

4

Box Weight

9 lb


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