Specification :

Spray Rating Tester
To determine the surface wetting resistance of fabrics. Comprising a metal framework allowing distilled water to be sprayed through a nozzle onto a test specimen at 45° and 150mm below the nozzle. The appearance of the specimen is compared against an optional photographic scale.
Parameters:

a) Glass funnel: Æ 150 × 150mm ( volume approximately 500 ml)

TECHNICAL DATA

SIZE OF SAMPLE
230 MM DIAMETER

ANGLE OF SAMPLE
45°

DISTANCE BETWEEN CENTRE OF SAMPLE TO THE SPRAY NOZZLE
150 MM

RELATED STANDARD
AS PER IS: 390

The Spray Test is a simple method to determine the resistance of any fabric, which may or may nothave been given a water-resistant or water-repellent finish, to surface wetting by water.