3M Scotch 371 CLEAR BOX SEALING TAPE

3M 371 Clear Box Sealing Tape Overview

3M 371 Clear Box Sealing Tape is a medium-duty industrial packaging tape designed for box sealing, splicing, recouperage, and related packaging operations. It combines a clear biaxially oriented polypropylene backing with a pressure sensitive hot melt rubber-resin adhesive system for fast initial adhesion and dependable carton closure performance.

This 1.8 mil tape is built for general-purpose and medium-duty packaging environments where consistent unwind, good adhesion to fiberboard, and reliable sealing performance matter. Its conformable backing, edge tear resistance, and split resistance support efficient application in both manual and automated packaging workflows.

Why Choose 3M 371 Clear Box Sealing Tape

• Pressure sensitive hot melt rubber-resin adhesive provides instant adhesion to a variety of packaging surfaces.
• Good adhesion to fiberboard supports dependable carton sealing performance.
• Clear biaxially oriented polypropylene backing delivers durable closure with product visibility through the tape.
• Edge tear and split resistance help maintain seal integrity during handling and shipment.
• Conformable backing supports clean application over carton edges and corrugated surfaces.
• 1.8 mil total thickness balances sealing performance with efficient material use.
• Roll-to-roll consistency supports packaging line productivity and repeatable application.
• Suitable for use with hand held manual dispensers as well as semi-automatic and fully automatic equipment.
• Available in multiple standard widths and lengths for hand and machine applications.

Industrial Applications

• Sealing corrugated and fiberboard cartons for shipping, storage, and distribution.
• General industrial packaging operations requiring medium-duty carton closure.
• Splicing tasks in packaging environments where fast tack and consistent unwind are important.
• Recouperage and repack operations in warehouse and fulfillment settings.
• Manual carton sealing using hand dispensers.
• Automated case sealing on semi-automatic and fully automatic packaging lines.
• Packaging workflows involving recycled fiberboard cartons.

Technical Specifications

• Tape Type: Industrial box sealing tape
• Color: Clear
• Backing Material: Biaxially oriented polypropylene
• Adhesive Type: Pressure sensitive hot melt rubber-resin
• Backing Thickness: 0.03 mm (1.2 mil)
• Total Tape Thickness: 0.046 mm (1.8 mil)
• 180° Peel Adhesion: 43.8 N/100mm (40.0 oz/in), ASTM D3330
• Elongation at Break: 160%, ASTM D3759
• Tensile Strength, Machine Direction: 385 N/100mm (22 lb/in), ASTM D3759
• Tensile Strength, Cross Direction: 771 N/100mm (44 lb/in), ASTM D3759
• Holding Power: 3,500+ min on fiberboard, ASTM D3654
• Application Guidance: Best applied at room temperature
• Low Temperature Note: Adhesive becomes more firm approaching 32°F (0°C)
• Core Size (ID): 76.2 mm (3 in)
• Standard Roll Lengths: 50, 100, 914, 1500 m (55, 109, 1000, 1641 yd)
• Standard Widths: 36, 42, 48, 72 mm (1.4, 1.7, 1.9, 2.8 in)
• Storage Conditions: Store at 4° to 27°C (40° to 80°F) and 40 to 50% relative humidity in the original packaging out of direct sunlight
• Shelf Life: Best performance within 18 months from date of manufacture
• Quality System: Manufactured under a 3M quality system registered to ISO 9001 standards

Most Common Questions About 3M 371 Clear Box Sealing Tape

What is 3M 371 Clear Box Sealing Tape used for?
It is used for industrial box sealing, splicing, recouperage, and related packaging applications where reliable carton closure is required.

Does 3M 371 adhere well to corrugated and fiberboard cartons?
Yes. The technical data states that it offers good adhesion to fiberboard, which supports dependable carton sealing performance.

What backing and adhesive system does 3M 371 use?
It uses a biaxially oriented polypropylene backing combined with a pressure sensitive hot melt rubber-resin adhesive system.

Can 3M 371 be used with automated carton sealing equipment?
Yes. It can be applied with hand held manual dispensers as well as semi-automatic and fully automatic application equipment.

How does 3M 371 perform in colder conditions?
As temperatures approach 32°F (0°C), the adhesive becomes more firm. For easiest application, it is best applied at room temperature.

How should 3M 371 be stored, and what is its shelf life?
Store it at 4° to 27°C (40° to 80°F) and 40 to 50% relative humidity in the original packaging out of direct sunlight. For best performance, use it within 18 months from date of manufacture.

Additional Information

3M 371 Clear Box Sealing Tape is commonly used for sealing corrugated cartons in industrial shipping, storage, warehousing, fulfillment, and general packaging environments. It is a practical medium-duty option for operations that need consistent sealing performance, good fiberboard adhesion, and compatibility with both manual and automated application methods.

This product is positioned as a dependable, cost-effective carton sealing solution for everyday industrial packaging workflows. Its clear construction makes it useful where package visibility or a less visually intrusive seal is preferred.

GTIN / UPC Reference

• 00021200158735 - 371, Clear, 48 mm x 100 m, 36/Case
• 00021200136818 - 371, Clear, 48 mm x 914 m, 6/Case
• 00638060535653 - 371, Clear, 72 mm x 100 m, 24/Case
• 00021200181986 - 371, Clear, 72 mm x 914 m, 4/Case