3M 8905 (51MM x 66M)

Additional Product Information

Overview

3M 8905 is the thickest tape in the 8900-series, combining a durable polyester backing with a silicone adhesive for extreme thermal and chemical environments. It is selected for aerospace processes where abrasion resistance, chemical exposure, and mechanical handling demand maximum robustness.

Key Technical Specs for 3M 8905

• Type: Heavy-duty polyester tape with silicone adhesive
• Size / Volume: Standard and wide-width rolls
• Color: Translucent blue
• Viscosity / Consistency: N/A
• Cure / Working Time: N/A
• Tensile / Peel Strength: Very high durability backing
• Shore Hardness: N/A
• Service Temp: Suitable for high-temperature bake cycles
• Typical Uses: Chemical milling, anodising prep, surface protection
• Shelf Life: Manufacturer standard

Approvals & Specifications

• Used in aerospace chemical processing and composite manufacturing

Typical Aircraft MRO / AOG Applications

• Masking during chemical milling and anodising
• Protection of large composite or metal components
• High-abuse masking where tearing must be avoided

Compatibility & Safety Notes

• Compatible with metals, composites, and tooling surfaces
• Resists abrasion and chemical attack
• Removes in one piece after heat exposure

Packaging & Procurement

• Available in multiple widths including 51 mm (2 in)
• Suitable for bulk storage in production environments

Why 3M 8905 is Chosen for AOG / MRO

• Maximum durability in harsh processes
• Clean peel reduces post-process cleanup
• High visibility for accurate alignment

Practical Suggestions for Your Team (AOG Mindset)

• Use wider rolls for large-area protection
• Ideal where thinner tapes risk tearing
• Keep on hand for chemical processing steps

Manufacture / Aviation Spec Codes

• Manufacturer: 3M

Alternative Names & Descriptions

• 3M 8905 High Temperature Polyester Tape
• 3M Heavy-Duty Silicone Masking Tape
• 3M 8900-Series Thick Polyester Tape
• 3M 8905 Blue High Temp Tape