Water repellent test method



one. Scope of application: This standard applies to waterproof materials. two. Standard conditions of laboratory or equipment: temperature 23±2°C, relative humidity 50±10%RH three.…

one. Scope of application: This standard applies to waterproof materials.

two. Standard conditions of laboratory or equipment: temperature 23±2°C, relative humidity 50±10%RH

three. Equipment and instruments: anti-splash test device, distilled water.

Four. Sample:

Cut a piece of 180mm╳180mm sample.

five. Experimental steps:

(1) Place the sample on the sample support.

(2) Place the sample support on the stand.

(3) Quickly pour 250 ml of distilled water into the funnel.

(4) Once the water spray is finished, remove the sample support and sample immediately.

(5) Knock the support twice on the solid object to ensure that the front side of the sample is facing downwards.

(6) Observe the degree of wetting and compare the rating with the photo.

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