Ardrox® 9PR5

Used in a penetrant system together with the Ardrox® penetrants and developers.

As a pre-cleaning solvent

Ardrox® 9PR5 should be sprayed directly onto the contamination to be removed. The surface may then require wiping or flushing with the solvent cleaner depending upon the level of contamination to be removed. For best results, the surface should be given a final wipe over with a clean cloth or tissue dampened with Ardrox® 9PR5, 9PR50 or 9PR88.

For the removal of excess penetrant

Ardrox® 9PR5 is used to remove excess penetrant at the end of the penetrant contact time, it is applied to the tested surface using the wipe-off technique. The bulk of the surface excess penetrant is wiped away by using clean, dry absorbent cloth or paper; then Ardrox® 9PR5, 9PR50 or 9PR88 is applied to a similar cloth or paper and the tested surface is wiped again until a satisfactory level of background is achieved. 

Never apply solvent penetrant removers by direct spray on or immersion of the tested surface for the removal of the excess penetrant as this will lead to a loss in sensitivity of the process. Surface temperature should be between -10 and 50°C (15-120°F). An Ardrox® developer can then be applied to the dry surface. For Ardrox® color contrast processes, inspection should be carried out in diffused white light of at least 500 lux (approx. 46 ft.cdl) and in the case of Ardrox® fluorescent penetrant processes under UVA of 365 nm peak wavelength, typical output of 1200 μwatts/cm² at 38 cm from the component.

Attention: the procedure above is a recommendation only; where relevant, the process specifications of the approving authorities must be followed.

When Ardrox® 9PR5 is used in the prescribed manner, no significant corrosion is likely to occur on commonly used constructional metals.

Ardrox® 9PR5 may cause swelling of some rubbers and plastics. If Ardrox® 9PR5 is to be used on synthetic surfaces, including painted surfaces, the product should be tested for compatibility before application.

Store in a cool place, with protection from freezing conditions. Store in a cool place, with protection from freezing conditions. Shelf life is 36 Months.