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3M 8421 Polyester Tape

Category Polymer , Tape
Manufacturer 3M
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF 3M 8421 Polyester Tape.pdf
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Material Notes:
3M™ Polyester Tape 8421 is for photographic industry for splicing most film for processing through the developing chemicals.Information provided by 3M
Physical Properties Metric English Comments
Thickness 35.6 microns
1.40 mil
Backing; ASTM D3752
63.5 microns
2.50 mil
Total; ASTM D3752
Mechanical Properties Metric English Comments
Tensile Strength at Break 125.6 MPa
18220 psi
ASTM D3759
Elongation at Break 140 %
140 %
ASTM D3759
Peel Strength 0.5478 kN/m
3.125 pli
Adhesion to Steel; ASTM D3330
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 66.0 °C
151 °F
Descriptive Properties Value Comments
Adhesive Type Rubber with pigment
Appearance Creamy white
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