3M Masking Tape 401E (various sizes)

3M™ 401E is a high-quality creped paper masking tape, designed for professional painting and industrial applications. It combines excellent adhesion with high-temperature resistance – up to 140°C – making it perfect for oven drying systems, under infrared lamps, and in high-humidity environments. The rubber adhesive provides high resistance to lifting and curling, as well as good solvent resistance. The tape is suitable for precise masking of surfaces and edges during painting, leaving clean lines without paint bleeding.

Technical Specification

• Width: 24 mm, 36 mm
• Length: 50 m
• Thickness: 0.170 mm
• Color: Brown-yellow
• Type: Creped paper tape
• Adhesive: Rubber
• Temperature resistance: Up to 140°C

Application

• Masking during painting in booths and ovens
• Painting work in the automotive and manufacturing industries
• Applications in processes using infrared and hot air
• Surface protection against paint, dust, and solvents
• Edge finishing and precise color separation lines

Benefits and Properties

✅ High temperature resistance – ideal for drying and curing paints
✅ Excellent adhesion – does not lift or curl at the edges
✅ Moisture and solvent resistance – durability even in harsh conditions
✅ Precise masking – ensures sharp and clean paint lines
✅ Smooth removal – leaves no adhesive residue after use
✅ Versatility – suitable for many industrial sectors

Application Tips

Before application, the surface should be clean, dry, and degreased. The tape should be pressed firmly, especially at the edges, to prevent paint bleeding. After curing, it is recommended to remove the tape in one smooth motion before the surface completely cools down, which will ensure a clean and aesthetic finish.