3M 4991 VHB Tape
3M 4991 VHB Tape
- Gray, 90 mil (2.3 mm), multi-purpose adhesive and conformable acrylic foam core
- Fast and easy-to-use permanent bonding method provides high strength and long-term durability
- Can replace mechanical fasteners (rivets, welds, screws) or liquid adhesives
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| Product Description | 3M(TM) VHB(TM) Tape 4991 is a 90 mil thick conformable double sided foam tape. This tape features a versitile multi-purpose acrylic adhesive that is suitable for bonding onto high and medium surface energy materials while providing the added benefit of plasticizer migration resistance in vinyl substrates. Constructed with conformable foam, this tape achieves excellent bonding even when substrates are irregular or mismatched. |
| Applications | Bonding applications replacing many rivets, spot welds, liquid adhesives and other permanent fasteners Decorative material and trim Nameplates and logos Bonding windows to painted control panels Sealing polycarbonate lenses over LCD screens Panel to frame Stiffener to panel Mounting vinyl wiring ducts and conduit channels |
| Feature 1 | Gray, 90 mil (2.3 mm), multi-purpose adhesive and conformable acrylic foam core |
| Feature 2 | Fast and easy-to-use permanent bonding method provides high strength and long-term durability |
| Feature 3 | Can replace mechanical fasteners (rivets, welds, screws) or liquid adhesives |
| Feature 4 | Offers a good balance of strength and conformability |
| Feature 5 | Bonds to a broad range of high and medium surface energy substrates |
| Feature 6 | Very good plasticizer resistance and adhesion to many vinyl formulations |
| Feature 7 | Virtually invisible fastening keeps surfaces smooth |
| Feature 8 | Eliminates drilling, grinding, refinishing, screwing, welding and associated clean-up |
| Feature 9 | Creates a permanent seal against water, moisture and other environmental elements |
| Feature 10 | Allows the use of thinner, lighter weight and dissimilar materials |
| Color | Gray |
| Total Thickness | 90 mils |
| Material/Backing | Conformable foam |
| Adhesive Type | Multi-Purpose |
| Liner | Clear Polyester |
| Tensile Strength | 75 lbs/in² |
| Adhesive Strength | 20 lbs/in |
| Temperature Performance | 250 °F |
| Flame Retardant | Not rated |
| Repositionable | N/A |
| Adhesion Level to HSE | High |
| Adhesion Level to LSE | Medium |
| UNSPSC | 31201505 |
| Standards / Specifications | UL746C listed, UL GREENGUARD and UL GREENGUARD Gold Certified, contributing to LEED Credit |
| Country of Origin | United States |
| Origin Criterion | B |
| Certification Indicator | C |
| Qualification Method | NC |
| Cage Code | 4AJG6 |
| ECCN Number | EAR99 |
| Storage Condition | Humidity Controlled Storage (16C/60F TO 27C/80F & 40-60%RH) |
| Shelf Life | 24 months |
| Return Policy | 25% restocking fee |
| RoHS Status | China RoHS 2 |
| REACH Status | REACH Compliant |
| Prop 65 Compliance | n/a |
| CMRT | CMRT Compliant |
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