Heat-curable white acrylic sealing tape for automotive panel joining, offering exceptional paint appearance, superior sealing properties, and excellent weather resistance with easy application and professional-grade performance.
3M™ Melt Sealing Tape 5230 is a premium conformable, non-PVC, heat-curable sealing tape engineered for automotive applications requiring exceptional paint appearance and superior sealing properties. This high-quality white acrylic tape features a controlled melt flow layer that becomes soft and flows when heated at the paint shop, providing excellent sealing of joined panels. With a thickness of 0.5 mm and high modulus construction, it effectively seals gaps and openings up to 2 mm while preventing blow through, making it ideal for automotive body assembly and panel joining applications.
The tape readily conforms to irregular surfaces, covers imperfections such as spot welds, weld flash, and pillowing, while delivering a smooth, paint-receptive surface that enhances vehicle appearance. Its linerless and repositionable nature allows for easy application on clean or E-coated surfaces without requiring special setup or equipment. The product cures in a conventional paint oven at temperatures between 15°C (59°F) minimum and 140°C (284°F) maximum, providing very high final adhesion once cured.
Designed for professional-grade performance, 3M Melt Sealing Tape 5230 offers optimal design freedom for automotive manufacturers and tier suppliers. The tape is formulated without plasticizers, demonstrates excellent weather resistance and durability, and leaves no visible trace after painting. Its tack-free formulation and superior workability make it an essential material for modern vehicle manufacturing, body-in-white assembly, and automotive sealing applications where both performance and aesthetics are critical.
Key Features
- High-quality heat-curable sealing tape with exceptional paint appearance and sealing properties
- Becomes soft and flows when heated at paint shop for optimal panel joint sealing
- Readily conforms to irregular surfaces and covers imperfections like spot welds and weld flash
- Controlled melt flow layer effectively seals gaps and openings up to 2 mm while preventing blow through
- Linerless and repositionable design allows easy application on clean or E-coated surfaces
- Cures in conventional paint oven without additional heating equipment
- Provides uniform sealer thickness and hard, smooth paint-receptive surface
- Weather-resistant and durable with excellent adhesion after curing
- Non-PVC formulation without plasticizers for environmental compliance
- Tack-free and leaves no visible trace after painting for professional appearance
Technical Specifications
| Specification |
Value |
| Product Number | 5230 |
| 3M ID | B40068332 |
| Adhesive Color | White |
| Adhesive Material | Acrylic |
| Thickness | 0.5 mm |
| Tape Type | Non-PVC, Heat-Curable, High Modulus |
| Minimum Cure Temperature | 15°C (59°F) |
| Maximum Cure Temperature | 140°C (284°F) |
| Gap Sealing Capacity | Up to 2 mm |
| Application | Hole sealing, Molded part replacement, Panel joint and edge seal bonding, Roof ditch sealing |
| Surface Compatibility | Clean or E-coated surfaces |
| Formulation | Plasticizer-free |
| Features | Linerless, Repositionable, Tack-free |
| Curing Method | Conventional paint oven |
| Weather Resistance | Excellent |
| Brand | 3M™ |
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