3M™ Secondary Liner 4994 is a white 3.2 mil densified kraft liner with a release coating on both sides. This silicone-coated DK paper liner features a low-release coating on one side and medium-release on the other for specialized applications. It is engineered for single and double sided tapes in applications requiring rotary die-cutting.
Constructed for Variable Release Applications
3M™ Secondary Liner 4994 is a white, 55-lb. densified kraft paper liner featuring silicone release coating on both sides. It is excellent for applications requiring both medium and low release: one side is medium release while the other delivers low release. This differential liner offers the ability to self-wind double sided tapes. The liner is caliper controlled and designed specifically for rotary die-cutting. The low release coating is ideal for use with 3M™ High Tack Acrylic Adhesive 300.
Recommended Applications
Bringing Better Ideas to the Surface through Science and Innovation
3M Industrial Adhesives and Tapes Division applies the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, these technologies help customers deliver competitive products to the market faster and more efficiently.
| Brands | 3M™ |
| Industries | Aerospace, Electronics, General Industrial, Medical, Military & Government, Packaging, Paper, Point of Purchase, Print |
| Maximum Operating Temperature (Fahrenheit) | 250 ℉ |
| Minimum Operating Temperature (Fahrenheit) | -40 ℉ |
| Primary Liner | 55# Densified Kraft Paper (DK) |
| Primary Liner Color | White |
| Primary Liner Thickness (Imperial) | 3.2 mil |
| Primary Liner Thickness (Metric) | 0.08 mm |
| Smallest Saleable Unit | Roll |
| Overall Length (Imperial) | 360 yd |
| Overall Length (Metric) | 329.18 m |
| Overall Width (Imperial) | 54 in |
| Overall Width (Metric) | 1371.6 mm |
Data Sheets
(PDF , 464KB)
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3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
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