Protex 20V Mask-Off Heavy-Duty Protective Paper

• Boeing — BAC 5034 Type IV, Class 1, Grade A
• Boeing BAC5034-4 material selection — Table II — Type V storage protection (aluminum, BMS 15-12 Type I, Class 1 coated); Table III — transportation protection for detail parts, metal surfaces with organic coatings, and assemblies (bare and painted aluminum, BMS 15-12 Type I, Class 1 coated aluminum, and metal surfaces with organic coatings); Table IV — Type VII manufacturing protection for Class 1 mechanical processing conditions, machining, and shop handling
• Airbus — AIMS 12-6-001
• Federal — NSN 8135-00-654-9834 / 7510-01-054-4067
• Manufacturer quality — Mask-Off is AS9100C and ISO 9001:2008 certified

• 12" (305mm) x 30 yds — P/N MO20V12 — sold by the roll or by the case
• 24" (610mm) x 30 yds — P/N MO20V24 — sold by the roll or by the case
• 36" (914mm) x 30 yds — P/N MO20V36 — sold by the roll or by the case
• 48" (1219mm) x 30 yds — P/N MO20V48 — sold by the roll or by the case
• Colors — Beige or White
• Custom die-cut shapes — Available on request; contact us for case quantities and die-cut pricing

Boeing BAC 5034 classifies pressure-sensitive surface protection and masking materials as Type IV, with Class and Grade setting the performance band. Protex 20V is qualified to BAC 5034 Type IV, Class 1, Grade A. It is also qualified to Airbus AIMS 12-6-001.

Type IV, Class 1, Grade A — This designation is shared by all four stocked Protex grades, so the spec callout alone doesn't decide between them. The choice comes down to the surface and the job.

Choose Protex 5 (4–5 mil paper) for aluminum skins during routing, drilling, countersinking, and riveting. Choose Protex 10V (10 mil vinyl-coated paper) for acrylic and polycarbonate windows, canopies, and windshields, or anywhere paper needs added abrasion resistance. Choose Protex 20V (20 mil vinyl-coated paper) for maximum impact protection on graphite composites and tooling. Choose Protex 8216-2L (2 mil transparent film) where you need to see through the protection, low tack, UV resistance, or heat up to 325°F.

BAC5034-4 material selection — Mask-Off lists Protex 20V in BAC5034-4 Table II, Table III, Table IV: Type V storage protection (aluminum, BMS 15-12 Type I, Class 1 coated); transportation protection for detail parts, metal surfaces with organic coatings, and assemblies (bare and painted aluminum, BMS 15-12 Type I, Class 1 coated aluminum, and metal surfaces with organic coatings); Type VII manufacturing protection for Class 1 mechanical processing conditions, machining, and shop handling. Mask-Off reports existing Boeing applications for Protex 20V at Charleston, Everett, and Renton, including exterior leading edges, cabin, cargo, APU compartment and nose wheel well door edges, wing walk surfaces, over-wing exit window edges, vertical fin and rudder mounting points, and side-of-body protection, plus interior monument, lavatory floor and counter, and galley floor and countertop protection.

Protex 20V is a temporary process protection material and is not intended for fly-away applications. Test before use on copper, brass, or anodized aluminum, and before outdoor exposure.