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Penopac and Penetration Charts

Penopac Charts

These combine the test areas and functions of a penetration and an opacity chart. They can be considered as universal test charts for research, development and quality control. The choices offered in size and design are responsive to individual laboratory needs and preferences. Form 19BR includes an unlacquered black area, but is otherwise equivalent in functionality.

Form 1A
5-1/2 x 10 in
140 x 254 mm
Form 18A
5-1/2 x 10 in
140 x 254 mm
Form 1B
7-5/8 x 11-3/8 in
194 x 289 mm
Form 18B
7-5/8 x 11-3/8 in
194 x 289 mm
Form 19BR
7-5/8 x 11-3/8 in
194 x 289 mm

Penetration Chart

An important characteristic of architectural finishes is the ability to maintain a uniform appearance on surfaces of varying porosity. This ability, of which gloss and color uniformity are specific aspects, is referred to as penetration resistance. The adjacent sealed/ unsealed areas of Leneta Form HK present severe conditions of varying porosity for testing penetration resistance. In addition to qualitative visual observations, photometric measurements on the two areas provide objective numerical values.


Form HK
8-5/8 x 11-1/4 in
219 x 286 mm

Form No.Case Box Quantity Boxes per Box Weight
1A 250 6 6 lb
1B 250 4 9 lb
18A 250 6 6 lb
18B 250 4 9 lb
19BR 250 4 9 lb
HK 250 4 11 lb
 Printable Version (View: 2709 | Print: 727)

Opacity Charts

Display Charts / Spreading Rate Charts
Opacity-Display Charts / Spreading Rate Charts
Checkerboard Charts / Spreading Rate Charts
Spreading Rate Charts
Duplex Applicator Charts

Application Equipment
Metal Panels
Printing Ink & Paper
Sag & Laveling
Scrub Resistance
Sealed Charts & Cards
Special Substrates
Unsealed Test Charts
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