Premium vinyl paint masking tape with natural rubber adhesive for high-temperature industrial applications up to 300°F, delivering clean paint lines and excellent color separation on curved surfaces.
Scotch® High Temperature Fine Line Tape 4737S is a premium vinyl paint masking tape engineered for critical paint break lines in automotive, aerospace, and specialty vehicle applications. This professional-grade masking tape features a natural rubber, pressure-sensitive adhesive that provides exceptional conformability to complex curved surfaces, molded shapes, and recessed areas. The smooth vinyl backing delivers sharp, clean paint lines while preventing paint bleed and edge-lifting, making it ideal for custom two-tone, multiple-color applications, and automotive fascia masking.
Designed for high-temperature industrial paint processes, this tape withstands bake cycles reaching 300°F (149°C) for up to 30 minutes without losing adhesion or leaving residue. The heat-resistant vinyl backing ensures one-piece removal after baking, helping to save production time and maintain quality finishes. Its specially developed backing resists lifting around corners and in depressed areas, providing reliable performance even on challenging surfaces including glass, metal, PVC, painted surfaces, plastic, and rubber.
Scotch® High Temperature Fine Line Tape 4737S comes in convenient 1/2 inch width rolls with 36 yards of coverage per roll, packaged in cases of 72 rolls for industrial operations. This tape is recommended for industrial paint masking in specialty vehicles, automotive, rail, marine, and aerospace paint jobs, as well as paint preparation masking for high-temperature applications. For indoor use only, this tape is not intended for consumer sale or outdoor exposure.
Key Features
- HIGH PERFORMANCE: Delivers clean paint line and excellent color separation in high-temperature paint processes
- IDEAL FOR CURVED AND MOLDED SURFACES: Provides excellent conformability for sweeping shapes and recessed objects
- RESISTS LIFT: Uses natural rubber, pressure-sensitive adhesive that holds reliably to surface contours
- WITHSTANDS HEAT: Delivers optimal performance in temperatures as high as 300°F (149°C) for up to 30 minutes
- CLEAN REMOVAL: Heat-resistant vinyl backing ensures one-piece removal after bake cycles with minimal adhesive residue
Technical Specifications
| Specification |
Value |
| Product Name | Scotch® High Temperature Fine Line Tape 4737S |
| Part Number | 4737S |
| 3M Product Number | 4737 |
| Overall Width (Imperial) | 0.5 in |
| Overall Width (Metric) | 12.7 mm |
| Overall Length (Imperial) | 36 yd |
| Overall Length (Metric) | 32.91 m |
| Overall Thickness (Imperial) | 5.1 mil |
| Overall Thickness (Metric) | 0.13 mm |
| Backing Material | Vinyl |
| Adhesive Type | Natural Rubber, Pressure-Sensitive |
| Product Color | Blue |
| Core Material | Plastic |
| Core Size (Imperial) | 3 in |
| Core Size (Metric) | 76.2 mm |
| Maximum Operating Temperature (Fahrenheit) | 300°F |
| Maximum Operating Temperature (Celsius) | 149°C |
| Heat Resistance Duration | Up to 30 minutes at maximum temperature |
| Tensile Strength (Imperial) | 16 lb/in |
| Tensile Strength (Metric) | 28 N/cm |
| Number of Adhesive Sides | Single-sided |
| Surface Type Compatibility | Glass, Metal, PVC, Painted Surface, Plastic, Rubber |
| Indoor/Outdoor | Indoor Use Only |
| Clean Removal | Yes |
| Repositionable | Yes |
| Flame Retardant | No |
| UV Resistant | No |
| Shelf Life | 18 Months |
| Units per Case | 72 Rolls |
| Smallest Saleable Unit | Roll |
| Product Form | Roll |
| UPC | 00021200722158 |
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