ASK A 3M EXPERT July, 2015 3M High Performance Masking Tape 231/231A Product Description 3M High Performance Masking Tape 231/231A is a premium high performance crepe paper masking tape designed to perform well in most industrial painting situations, including the use of bake cycles. This smooth to the touch masking tape, embodies all the features that are desirable of a paint masking tape and designed speci cally for the professional painter. 231A designation was added 12/04 for the Aerospace market. Product Features Can be quali ed for ASTM D-6123 (replaces obsolete PPP-T-42C, Type I, (CID-A-A-883B). Rubber adhesive with instant adhesion that sticks easily and allows fast application. Good holding power that resists lifting or curling that helps reduce rework. Superior adhesive transfer resistance with clean removal that helps reduce rework. Smooth mini-crepe backing results in excellent surface contact with very secure holding. Excellent conformability and easy handling that reduces time involved in application. The backing is solvent and moisture resistant that helps reduce bleed- through minimizing rework. The backing has excellent dead stretch for minimal recovery that reduces rework. Easy to tear backing aids in handling, yet strong enough to resist slivering giving one piece removal to help reduce labor. Special backsize treatment gives a balanced unwind that helps reduce waste. Paint ake resistance that reduces rework due to contamination, results in a quality paint job. Designed for indoor use only as it should not be subjected to outdoor exposure for prolonged periods of sunlight as the tape may become very di cult to remove. Best results are obtained if applied and removed within 24 hours.3M High Performance Masking Tape 231/231A Technical Information Note The following technical information and data should be considered representative or typical only and should not be used for speci cation purposes. Typical Physical Properties Property Values Method Color Tan Total Tape Thickness 0.19 mm 7.6 mil ASTM D3652 Backing Smooth mini-crepe paper, treated with a heat resistant saturant. Adhesive Rubber Typical Performance Characteristics Property Values Method Substrate Peel Adhesion 4.1 N/cm 38 oz/in ASTM D3330 Stainless Steel Tensile Strength 49 N/cm 448 oz/in ASTM D3759 Elongation at Break 10 % ASTM D3759 Temperature Use Removes cleanly Removes cleanly Range after 30 minutes up after 30 minutes up to 149 C to 300 F Available Sizes Property Values Standard Roll Length 55 m 60 yd