Iso 85023 Dust Level Chart Pdf Updated _top_ 〈2027〉
High density; particles cover a significant portion of the tape.
ISO 8502-3 specifies a simple, field-friendly method using (commonly a transparent Scotch tape of defined tackiness) to lift dust from a prepared steel surface. The tape is then applied to a contrasting background (typically a white or black card), and the extracted dust is compared against a standardized reference scale.
Since you are searching for the , let’s describe exactly what that chart contains until you can download the official copy. iso 85023 dust level chart pdf updated
Dust on blast-cleaned steel surfaces is not merely an aesthetic concern. Residual dust can:
ISO 8502-3:2017 — Preparation of steel substrates before application of paints and related products — Tests for the assessment of surface cleanliness — Part 3: Assessment of dust on steel surfaces prepared for painting (pressure-sensitive tape method) — establishes the internationally recognized methodology for evaluating dust contamination on surfaces prepared for coating application. High density; particles cover a significant portion of
Standing on the wind-swept girders, Sarah pulls out her ISO 8502-3 Dust Tape Test Kit . She discards the first three turns of the specialized adhesive tape to ensure no contamination from the roll itself. She firmly presses a 200mm strip onto the shot-blasted steel, using her thumb to apply even pressure—a technique known as the . Decoding the Dust Level Chart
Put on clean, lint-free gloves to avoid introducing contaminants. Since you are searching for the , let’s
Many coating inspectors create a laminated pocket card. Here is a text-based summary you can copy into a PDF generator for field use:
: Place the tape firmly onto the prepared steel surface. Use a calibrated tool like the Elcometer 145 Dust Tape Roller to press it down. This roller applies a mandatory, standardized spring force of