85023 Dust Level Chart Pdf Updated — Iso

The tape is placed onto a black or white contrasting card (the dust assessment plate ) and visually compared to a pictorial reference standard to rate the quantity and size of the dust.

Significant amount of dust; covers a large portion of the tape.

If your ISO 8502-3 test reveals a dust level higher than the project specification allows, you must remediate the surface before painting can commence. iso 85023 dust level chart pdf updated

ISO 8502-3 describes a method for assessing the quantity and size of dust particles on blast-cleaned steel surfaces. The procedure uses a specific type of pressure-sensitive adhesive tape to lift dust from the surface. This tape is then applied to a white or black display board to be evaluated visually against a comparator chart. The ISO 8502-3 Dust Level Chart (Pictorial Rating)

A specialized adhesive tape is applied to the surface, pressed down, and then removed to collect dust particles. The tape is placed onto a black or

Imagine a critical bridge construction project where every detail matters. The lead inspector,

Old Size 3: ten distinct, isolated specks. New Size 3: three dense clusters, like tiny galaxies. ISO 8502-3 describes a method for assessing the

Because this is a qualitative visual test , using an illuminated 10x magnifier is required for Class 0 and 1 assessments. Elcometer 142 ISO 8502-3 Dust Tape Test Kit

High density. Particles cover a significant portion of the tape, forming a dense pattern.

Compare the tape with the pictorial standards in the ISO 8502-3 chart.

To quantify three things: