3M™ Scotchpak™ Backings
Designed specifically for transdermal drug delivery systems, 3M Scotchpak backings continue to evolve to meet current needs. The unique construction of these polyester-based laminates allows different films to be combined into a single web. No solvents or adhesives are used in this proprietary process, minimizing the potential for drug and/or excipient interactions.
Due to their excellent occlusive and barrier properties, Scotchpak™ backings are often used in liquid reservoir and drug-in-adhesive transdermal systems. These laminate films are conformable and flexible to enhance patient comfort.
3M™ Scotchpak™ 1109 Polyester Film Laminate Backing
3M™ Scotchpak™ 9723 Polyester Film Laminate Backing
3M™ Scotchpak™ 9730 Polyester Film Laminate Backing
3M™ Scotchpak™ 9732 Polyester Film Laminate Backing
3M™ Scotchpak™ 9733 Polyester Film Laminate Backing
3M™ Scotchpak™ 9734 UV Blocking Polyester Film Laminate Backing
3M™ Scotchpak™ 9735 Polyester Film Laminate Backing
3M™ Scotchpak™ 9736 Polyester Film Laminate Backing
These products are supplied in roll form for use in the fabrication of transdermal, topical and transmucosal drug delivery systems. All Scotchpak™ backings are manufactured under IPEC cGMP guidelines and supported by Drug Master Files (DMFs).
Use the Component Selection Guide for help identifying Backings suited for your application.
3M™ Scotchpak™ 1109 Polyester Film Laminate Backing
This laminate consists of pigmented polyethylene and aluminum vapor coated polyester film.
- Tan
- Occlusive
- Conformable
- Printable
- Manufactured for use in pharmaceutical products
| Film Properties | Nominal Values (U.S.) | Nominal Values (Metric) |
|---|
| Caliper | 1.3 mils | 33.0 μm |
| Tensile |
| MD | 12 lbs./in. | 53.4 N/25.4 mm |
| CD | 15 lbs./in. | 66.7 N/25.4 mm |
| Elongation |
| MD | 70% | 70% |
| CD | 50% | 50% |
| MVTR |
| (g/m2/24 hr) | <1 | <1 |
| Oxygen Transmission |
| (cc/m2/24 hr) | 5 | 5 |
Download Product Information Sheet (PDF, 165KB)
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3M™ Scotchpak™ 9723 Polyester Film Laminate Backing
This laminate is a combination of a pigmented polyethylene layer and a layer of polyester film. It is light tan in color, providing a sheer, discrete cover desirable in some formulations.
- Tan
- Semi-translucent
- Printable
- Occlusive
- Conformable
- Manufactured for use in pharmaceutical products
| Film Properties | Nominal Values (U.S.) | Nominal Values (Metric) |
|---|
| Caliper | 1.7 mils | 43.2 μm |
| Tensile |
| MD | 12 lbs./in. | 53.4 N/25.4 mm |
| CD | 15 lbs./in. | 66.7 N/25.4 mm |
| Elongation |
| MD | 70% | 70% |
| CD | 50% | 50% |
| MVTR |
| (g/m2/24 hr) | 10 | 10 |
| Oxygen Transmission |
| (cc/m2/24 hr) | 100 | 100 |
Download Product Information Sheet (PDF, 182KB)
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3M™ Scotchpak™ 9730 Polyester Film Laminate Backing
This multilayered laminate consists of a tan pigmented polyethylene layer, an aluminum vapor coated polyester layer and an ethylene vinyl acetate copolymer heat-seal layer. It provides a highly occlusive barrier for use with volatile formulations and is a heat-sealable film.
- Tan
- Occlusive
- Conformable
- Heat-sealable
- Manufactured for use in pharmaceutical products
| Film Properties | Nominal Values (U.S.) | Nominal Values (Metric) |
|---|
| Caliper | 2.8 mils | 71.1 μm |
| Tensile |
| MD | 15 lbs./in. | 66.7 N/25.4 mm |
| CD | 20 lbs./in. | 89.0 N/25.4 mm |
| Elongation |
| MD | 100% | 100% |
| CD | 70% | 70% |
| MVTR |
| (g/m2/24 hr) | <0.5 | <0.5 |
| Oxygen Transmission |
| (cc/m2/24 hr) | <5 | <5 |
| Heat Seal |
| Minimum | 10 lbs./in. | 44.5 N/25.4 mm |
Download Product Information Sheet (PDF, 273KB)
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3M™ Scotchpak™ 9732 Polyester Film Laminate Backing
This laminate consists of a polyester film with an ethylene vinyl acetate copolymer heat seal layer.
- Translucent
- Occlusive
- Conformable
- Printable
- Heat-sealable (9% EVA)
- Manufactured for use in pharmaceutical products
| Film Properties | Nominal Values (U.S.) | Nominal Values (Metric) |
|---|
| Caliper | 2 mils | 50.8 μm |
| Tensile |
| MD | 15 lbs./in. | 66.7 N/25.4 mm |
| CD | 20 lbs./in. | 89.0 N/25.4 mm |
| Elongation |
| MD | 100% | 100% |
| CD | 50% | 50% |
| MVTR |
| (g/m2/24 hr) | 16 | 16M |
| Oxygen Transmission |
| (cc/m2/24 hr) | 80 | 80 |
| Heat Seal |
| Minimum | 10 lbs./in. | 44.5 N/25.4 mm |
Download Product Information Sheet (PDF, 182KB)
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3M™ Scotchpak™ 9733 Polyester Film Laminate Backing
This translucent laminate consists of a medium density polyethylene/EVA heat seal layer on a polyester film.
- Translucent
- Occlusive
- Printable
- Conformable
- Heat-sealable (12% EVA)
- Manufactured for use in pharmaceutical products
| Film Properties | Nominal Values (U.S.) | Nominal Values (Metric) |
|---|
| Caliper | 2 mils | 50.8 μm |
| Tensile |
| MD | 12 lbs./in. | 53.4 N/25.4 mm |
| CD | 15 lbs./in. | 66.7 N/25.4 mm |
| Elongation |
| MD | 100% | 100% |
| CD | 50% | 50% |
| MVTR |
| (g/m2/24 hr) | 17 | 17 |
| Oxygen Transmission |
| (cc/m2/24 hr) | 80 | 80 |
| Heat Seal |
| Minimum | 10 lbs./in. | 44.5 N/25.4 mm |
Download Product Information Sheet (PDF, 182KB)
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3M™ Scotchpak™ 9734 UV Blocking Polyester Film Laminate Backing
This laminate consists of a medium density polyethylene layer containing a UV blocking agent extruded on a polyester film. The UV blocking range of this film is greater than 99% of harmful UV rays in the 250-340 nm range and is formulation dependent.
- UV blocking characteristics
- Translucent
- Occlusive
- Printable
- Conformable
- Heat-sealable
- Manufactured for use in pharmaceutical products
| Film Properties | Nominal Values (U.S.) | Nominal Values (Metric) |
|---|
| Caliper | 2 mils | 50.8 μm |
| Tensile |
| MD | 12 lbs/in | 54 N/25.4 mm |
| CD | 15 lbs/in | 67.5 N/25.4 mm |
| Elongation |
| MD | 70% | 70% |
| CD | 50% | 50% |
| MVTR |
| (g/m2/24 hr) | 7.0 | 7.0 |
| Oxygen Transmission |
| (cc/m2/24 hr) | 80 | 80 |
| Heat Seal |
| Minimum | 2.5 lbs/in | 11.1 N/25.4 mm |
Download Product Information Sheet (PDF, 795KB)
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3M™ Scotchpak™ 9735 Polyester Film Laminate Backing
Translucent laminate consisting of a polyethylene heat seal layer and a polyester film. This laminate is suitable for drug formulations that are not compatible with ethylene vinyl acetate copolymers.
- Translucent
- Occlusive
- Printable
- Conformable
- Heat-sealable
- Manufactured for use in pharmaceutical products
| Film Properties | Nominal Values (U.S.) | Nominal Values (Metric) |
|---|
| Caliper | 2 mils | 50.8 μm |
| Tensile |
| MD | 15 lbs/in | 67.5 N/25.4 mm |
| CD | 20 lbs/in | 90.0 N/25.4 mm |
| Elongation |
| MD | 100% | 100% |
| CD | 50% | 50% |
| MVTR |
| (g/m2/24 hr) | 7.0 | 7.0 |
| Oxygen Transmission |
| (cc/m2/24 hr) | 80 | 80 |
| Heat Seal |
| Minimum | 8 lbs/in | 35.6 N/25.4 mm |
Download Product Information Sheet (PDF, 807KB)
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3M™ Scotchpak™ 9736 Polyester Film Laminate Backing
Laminate consists of white pigmented polyethylene layer on an aluminum vapor coated polyester film.
- White
- Occlusive
- Printable
- Conformable
- Manufactured for use in pharmaceutical products
| Film Properties | Nominal Values (U.S.) | Nominal Values (Metric) |
|---|
| Caliper | 1.5 mils | 38.0 μm |
| Tensile |
| MD | 12 lbs/in | 53.4 N/25.4 mm |
| CD | 15 lbs/in | 66.7 N/25.4 mm |
| Elongation |
| MD | 70% | 70% |
| CD | 50% | 50% |
| MVTR |
| (g/m2/24 hr) | <1 | <1 |
| Oxygen Transmission |
| (cc/m2/24 hr) | 5 | 5 |
Download Product Information Sheet (PDF, 807KB)
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