3M™ Thermal Transfer Acrylate Label Material 3921 consists of a non-topcoated acrylate facestock designed for thermal transfer printing and withstand high temperatures and resist chemicals such as those found in the fabrication of printed circuit boards (PCBs).
FEATURES:
- Matte white facestock for good print contrast and easy readability of barcodes and variable information.
- Acrylic based film for good dimensional stability at high temperatures.
- 3M™ Acrylic Adhesive 150 will not degrade when exposed to standard printed circuit board assembly conditions.
- 55# densified kraft liner assures consistent die cutting.
APPLICATIONS:
- Printed circuit board tracking labels that see the following conditions:
– Solder re-flow.
– Top and/or bottom side wave solder.
– Most cleaning processes and chemicals. - Labeling on parts exposed to high temperatures.
| Property | Value | |
| Facestock | Matte White Cast Acrylate Film | |
| Facestock Thickness | 0.051 mm | 2.0 mil |
| Adhesive | #150 Acrylic | |
| Adhesive Thickness | 0.025 mm | 1.0 mil |
| Liner | 55# Densified Kraft | |
| Liner Thickness | 0.076 mm | 3.0 mil |