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3M™ Tape 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.
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.
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
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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| TYPICAL PROPERTIES | |
|---|---|
| Adhesion Strength (Imperial) | Adhesion to Steel |
| Adhesion Strength (Imperial)160 oz/in | Adhesion to Steel160 oz/in (17.5 N/cm) |
| TYPICAL PROPERTIES - CONTINUED | |
| Max Operating Temp (℉) | Product Colour |
| Max Operating Temp (℉)221℉ | Product ColourBlack |
| PHYSICAL PROPERTIES | |
| Tear Resistance* ASTM D624 | Hardness-Shore A ASTM D2240 |
| Tear Resistance* ASTM D624200 pli (35 kg/cm) | Hardness-Shore A ASTM D224055 |
| ELECTRICAL PROPERTIES | |
| Volume Resistivity ASTM D257 | Breakdown Voltage ASTM D149 |
| Volume Resistivity ASTM D2571014 ohm/cm | Breakdown Voltage ASTM D149400 V/mil (15.7 kV/mm) |
| ENVIRONMENTAL RESISTANCE PROPERTIES | |
| Heat Resistance* (70h/125°C) ASTM D2000-Type CE | Temperature Rating (105°C) UL 150 |
| Heat Resistance* (70h/125°C) ASTM D2000-Type CEPass | Temperature Rating (105°C) UL 150Pass |
| DIMENSIONS AND CLASSIFICATIONS | |
| Overall Length (ft) | Overall Length (m) |
| Overall Length (ft)8.5 | Overall Length (m)2.6 |
