Genuine 3M™ VHB™ Heavy Duty Tape 4991 - 10mm Wide, 2.3mm Ultra Thick. Premium Authentic 3M Stock, Maximum Gap Filling, Dark Gray Multi-Purpose Acrylic Foam for Automotive and Industrial Bonding. Vibration Damping & Permanent Bond.

GXPMAX-INDUSTRIAL

Professional Adhesive & Bonding Solutions

✓ GENUINE 3M™ VHB™ ✓ 2.3mm GAP-FILLING THICKNESS ✓ 2026 FRESH STOCK

3M™ VHB™ Heavy Duty Tape 4991

Multi-Purpose Acrylic Adhesive | 2.3mm (90 mil) Thick | 10ft (3m) Roll

★★★★★
TRUSTED EXPERT: Backed by over 2,200+ positive feedbacks. Specializing in industrial bonding, we provide technical-grade 3M™ solutions for pros and DIYers alike.

🔬 ADHESIVE SCIENCE: Visco-Elasticity

3M™ VHB™ is NOT a standard pressure-sensitive tape. It is a Visco-elastic foam that flows into the surface to create a permanent bond.

The "Not Sticky" Myth: VHB may feel dry to the touch. This is normal! Bond strength is only activated by Pressure and Time.
The 72H Rule: Maximum structural strength is achieved 72 hours after application as the adhesive "wets out" the substrate.

Technical Specs

Width x Length 10mm (±1mm) x 3 Meters
Thickness 2.3 mm (Extra Thick)
Adhesive Type Multi-Purpose Acrylic
Foam Color Dark Gray
Liner ID Red PE Film (3M™ VHB™ Branding)
Surface Energy HSE & MSE Compatible
Temp Resistance Up to 200°F (93°C)
*Technical values based on official 3M™ TDS.

Best Used For

  • Structural Bonding: High-strength alternative to rivets, welds, and screws.
  • Maximum Gap Filling: 2.3mm thickness ideal for textured or mismatched surfaces.
  • Vibration Damping: Absorbs impact and reduces noise in automotive trims/spoilers.
  • MSE Plastics: Superior bond to Nylon, ABS, and Polycarbonate.
  • Outdoor Signage: Weather-resistant architectural panel bonding.

⚠️ MUST READ: LSE Surfaces & Temperature

Primer 94 Required: For LSE (Low Surface Energy) surfaces like Polypropylene, Polyethylene, or Powder-Coating, you MUST use 3M™ Primer 94.
Cold Weather Warning: Do not apply if surface temperature is below 50°F (10°C). Ideal range is 70°F - 100°F.
Compatibility: Not for use on silicone, rubber, or soft PVC.

Professional Application

1. CLEAN: Use 50:50 Isopropyl Alcohol. Surface must be free of wax, oil, and dust.

2. APPLY: Position tape carefully. Avoid touching the adhesive to prevent contamination.

3. PRESSURE (CRITICAL): Use a roller to apply firm pressure (15 PSI). Ensure NO air bubbles are trapped.

4. DWELL TIME: Allow 72 hours for the bond to reach maximum structural strength.

⚡ Quick FAQ

Q: Is it double-sided?
Yes.

Q: Can I use it on my car?
Yes, ideal for heavy trims and accessories.

Q: Is it waterproof?
Yes. It creates a permanent moisture seal after full 72h cure.

📦 Package Includes: 1 Roll x 10mm x 3m 3M™ VHB™ 4991 Tape (Sealed in dust-proof industrial wrap).

Bonding Strength Timeline

20m
50% Bond
24h
90% Bond
72h
FULL BOND

The GXPMAX-Industrial Assurance

At GXPMAX-Industrial, we take industrial standards seriously. To provide flexible lengths for your projects, these rolls are precision-cut from genuine 3M™ Master Rolls. While individual retail cuts do not carry a separate security label, we guarantee 100% 3M™ authenticity. All stock is fresh for 2026 and stored in climate-controlled facilities.

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