3M Scotch Heavy Duty Mining Tape 31 - 7000031769

Product overview

3M 31 (7000031769) is a Heavy Duty Mining Tape. It’s designed for fast, effective repair of damaged cable jackets in rugged environments. With its thick, self-healing mastic and durable rubber backing, 3M Tape 31 resists abrasion, moisture, oil and flame – making it ideal for quick, on-site repairs in mining, construction, and utility applications. This flexible, weather-resistant Scotch Tape 31 conforms easily to irregular surfaces, delivering a long-lasting, high-strength seal for cable maintenance crews in the harshest conditions.
Part Number: 7000031769.

3M Scotch Heavy Duty Mining Tape 31

Engineered to perform where standard tapes fail, 3M Scotch 31 provides industrial-grade protection in high-abrasion, high-moisture environments. As a Heavy Duty Mining Tape, it features a flame-retardant, self-healing mastic core that seals out moisture while maintaining flexibility over time. With 500% elongation and superior tensile strength, 3M Mining Tape delivers a tough, secure wrap around damaged outer jackets, making it an essential field-repair solution. Whether you’re working on mining equipment or high-wear cable splice kits, Tape 31 gives you the confidence to keep operations running.

Key Features & Benefits

  • Tough, abrasion-resistant construction for rugged mining environments
  • Self-healing mastic blocks moisture and withstands oil and UV exposure
  • Flame-retardant and MSHA-approved for added safety assurance
  • Flexible rubber backing for easy wrapping around damaged cable jackets
  • High elongation and tensile strength for secure, conforming repairs
  • Quick, on-site application with no special tools required
  • Rated for continuous operation at up to 105°C (221°F)
  • RoHS 2011/65/EU compliant
  • Supplied in 2 in (50.8 mm) wide x 2.6 m (8.5 ft) rolls
  • Suitable for mining cable repairs and outdoor splice kits

3M Scotch 31 – For Dependable Jacket Repair

From underground mines to industrial sites, Scotch Mining Tape delivers field-proven reliability. Its rugged design and ease of application reduce downtime while helping protect valuable equipment and infrastructure. Whether you’re repairing damaged sheathing or reinforcing exposed cable, 3M Tape 31 offers unmatched durability and performance in the most punishing environments.

When resilience and speed matter most, choose this product to seal, shield and strengthen your cable systems.


For Additional Information on 3M Scotch Heavy Duty Mining Tape 31 (7000031769), please consult the Technical Data Table or PDF File below.

*Technical Data subject to change without notice.

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Technical Data

TYPICAL PROPERTIES

Adhesion Strength (Imperial) Adhesion to Steel Adhesive Type Application Method Backing (Carrier) Material Brands Elongation Elongation at Break Flame Retardant Indoor/Outdoor Max Operating Temp (℃)
160 oz/in 160 oz/in (17.5 N/cm) Mastic Apply by Hand Rubber Scotch® 5% 500% Yes Outdoor 105℃

TYPICAL PROPERTIES - CONTINUED

Max Operating Temp (℉) Product Colour Product Form Shelf Life in Months (From Date of Manufacture) Tape Grade Tape Width Tensile Strength (Imperial) Total Tape Thickness without Liner (Imperial) Total Tape Thickness without Liner (Metric)
UV Resistant
221℉ Black Tape 60 Professional 50.8 mm 2400.0 lb/in 60 mil 1.52 mm Yes

PHYSICAL PROPERTIES

Tear Resistance* ASTM D624 Hardness-Shore A ASTM D2240 Adhesion to Steel ASTM D1000 Adhesion to PVC ASTM D1000 Adhesion to Neoprene ASTM D1000 Adhesion to CSM ASTM D1000 Adhesion to PE ASTM D1000
200 pli (35 kg/cm) 55 160 oz/in (17.5 N/cm) 85 oz/in (9.3 N/cm) 14 oz/in (1.5 N/cm) 107 oz/in (11.7 N/cm) 112 oz/in (12.2 N/cm)

*Test result for backing only


ELECTRICAL PROPERTIES

Volume Resistivity ASTM D257 Breakdown Voltage ASTM D149
1014 ohm/cm 400 V/mil (15.7 kV/mm)

ENVIRONMENTAL RESISTANCE PROPERTIES

Heat Resistance* (70h/125°C) ASTM D2000-Type CE Temperature Rating (105°C) UL 150 Flammability MSHA CFR 30 Part 7 Oil Resistance* (70h/125°C/IRM 903) ASTM D2000-Type CE Abrasion Resistance Tabor H22 Wheel, 250g, 1000 Cycles  MVTR (37.8°C, 100% RH) ASTM D1249 Water Absorption ASTM D570
Pass Pass Pass Pass 0.05g (0.05g) 0.025 g/100sq.in.24h (0,38 g/sq.m.24h) 0.50%

*Test result for backing only


DIMENSIONS AND CLASSIFICATIONS

Overall Length (ft) Overall Length (m) Overall Width (in) Overall Width (mm)
8.5 2.6 2 50.8

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