Hiding Power and Opacity Test Chart Apparatus

Kit with black and white contrast charts and a film applicator for measuring hiding power of pigments in paint. Used by pigment producers and coatings labs.

Specification

A uniform film is drawn down on a contrast chart and the spreading rate at which black and white become indistinguishable is found. Reflectometer readings give contrast ratio. It shows how much surface a pigment can cover.

Features

• Black and white sealed charts
• Bird film applicator 75 um
• Contrast ratio meter option
• Glass drawdown plate
• Easy cleaning

Technical Specifications

Test Standards	ASTM D2805, ISO 6504-1, IS 101
Chart Size	250 x 150 mm
Applicator Gap	25, 50, 75, 100 um
Reflectance Scale	0 to 100 %
Reflectometer	Optional, 45/0 geometry
Drawdown Speed	Hand or motorised
Glass Plate	300 x 200 mm
Power	Not required

Standard Accessories

• Charts
• Applicator
• Glass plate