3M™ Scotch® Label Protection Tape 821

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

Transparent pink

Total Tape Thickness

0.063 mm

2.5 mil

ASTM D3652

Backing Thickness

0.04 mm

1.6 mil

ASTM D3652

Backing

Acetate

Adhesive

Acrylic

Typical Performance Characteristics

Property

Values

Method

Backing

Notes

180° Peel

Adhesion

2.7 N/cm

25 oz/in

ASTM

D3330

2 mil

Aluminum

Foil

12 in/min (300 mm/min)

72 hr dwell on Stainless Steel

Longitudinal

Tensile

Strength

21 N/cm

12 lb/in

ASTM

D3759

Elongation

at Break

15 %

ASTM

D3759