3M 7000047521 Polyester Film Tape 850 Silver 3/4in X 72yd

Product Description

The 3M 7000047521 is a silver polyester film tape from the 3M 850 series, featuring an acrylic adhesive backing on a 1.9 mil polyester film carrier. Designed for industrial and commercial applications, this tape delivers reliable chemical resistance and reflective surface properties in a single roll format. At 3/4 inches wide and 72 yards long, it provides extended coverage per roll. Trades and production technicians working with splicing, color coding, sealing, and decorative marking applications will find this tape well-suited to demanding work environments where a durable, reflective surface is required.

This tape is used in applications where reflective properties, chemical resistance, or precise color coding are needed. Common install scenarios include electrical and mechanical assembly environments, manufacturing lines, and HVAC equipment labeling. It is also used for splicing film materials, holding components during assembly, and sealing operations where a polyester film carrier outperforms standard vinyl or cloth tapes. The silver finish supports identification and decorating tasks in both residential and light commercial settings.

Key Features

• 1.9 mil polyester film carrier provides dimensional stability and puncture resistance
• Acrylic adhesive offers strong bonding and long-term chemical resistance
• Silver finish delivers reflective properties for color coding and decorative applications
• Suitable for splicing, holding, decorating, color coding, and sealing tasks
• 72-yard roll length reduces roll changeovers in production or service environments

Compatibility

Designed as a general-purpose polyester film tape for splicing, sealing, and color coding applications across industrial, commercial, and light electrical assembly environments.

Installation Notes

Application surface should be clean, dry, and free of oils or contaminants before tape is applied. No special tools are required, though a dispenser or straight-edge cutter improves consistency on long runs. In electrical or mechanical enclosures, ensure tape placement does not interfere with rated clearances or ventilation paths. Follow all applicable facility and safety guidelines when working with adhesive tapes in high-temperature or chemical-exposure environments.

Technical Specifications

• Tape Series: 850
• Color: Silver
• Film Thickness: 1.9 mil
• Width: 0.75 inches
• Length: 72 yards
• Adhesive Type: Acrylic
• Carrier Material: Polyester film
• Unit of Measure: Roll
• Weight: 0.21 pounds
• UPC: 00021200035784

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000047521