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All Categories > Sealed Charts and Cards for Coatings Tests > Opacity-Display Charts/Spreading Rate Charts > Form 13H-H Spreading Rate Chart  
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Form 13H-H Spreading Rate Chart

Form 13H-H is a black and white Sealed Spreading Rate Chart. The top and bottom of the chart are stripped (or zebra pattern). The center of the chart is divided into a black on top and white on the bottom, normally used when a colorimeter or glossmeter are used. The striped sections are better for visual evaluation because of the multiple black/white interfaces. The testing area is accurately 0.1 square meters (approximately one square foot). This form is a bit brighter than most Leneta white charts. It has a “Y” value of approximately 87.



Black & White


11-1/4 x 17-1/4 in
286 x 438

Box Quantity


Boxes per Case


Box Weight

11 lb

Design Area

1.076 ft²

International Standards

ASTM D 344

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