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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  |
| Price | EMAIL US sales@lookpolymers.com |
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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