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Hot Melt Adhesive (Polymer Tape) for Pouch Cell Tab Sealing

Hot Melt Adhesive (Polymer Tape) for Pouch Cell Tab Sealing

https://www.s4r.fr/shop/hot-melt-adhesive-polymer-tape-for-pouch-cell-tab-sealing-115 https://www.s4r.fr/web/image/product.template/115/image_1920?unique=cff4d79

High-performance polymer sealing tape designed for heat sealing Aluminum or Nickel tabs onto aluminum laminated pouch films.

Engineered for laboratory and pilot-scale battery assembly.

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Pouch Cell Components · Tab Sealing Tape

Hot melt adhesive tape for pouch-cell tab sealing

Polymer sealing tape for heat sealing aluminum or nickel tabs to aluminum laminated pouch film. Based on a three-layer laminated polymer construction for laboratory and pilot-scale battery assembly.

100 µm
Thickness
200 m
Roll length
4 → 30 mm
Width options
180 °C
Reference sealing temp.
Key features

Polymer sealing tape for pouch-cell tabs

Designed for heat sealing aluminum and nickel tabs to aluminum laminated pouch-cell film.

Three-layer polymer

Hot melt adhesive sealing tape based on a three-layer laminated polymer construction.

Al & Ni tab sealing

Designed for heat sealing aluminum or nickel tabs to pouch-cell aluminum laminate film.

Reference sealing process

Reference conditions of 180 °C, 0.3 MPa pressure and 3 seconds heating time.

Adhesion performance

Greater than 15 N / 15 mm to the tab and greater than 35 N / 15 mm to the aluminum laminate film.

Available widths

Four roll widths for different tab sizes

All variants share the same 100 µm thickness and 200 m roll length. Select the width according to the tab dimensions and sealing area.

4 mm
Small pouch tabs
5 mm
Standard laboratory tabs
8 mm
Higher-current tabs
30 mm
Wide sealing area
Product data

Technical specifications

Main specifications and reference sealing parameters of the S4R hot melt adhesive tape.

General
Type Hot melt adhesive sealing tape · three-layer laminated polymer
Color Black
Thickness 100 µm
Roll length 200 m per roll
Width options 4 · 5 · 8 · 30 mm
Application Heat sealing of Al or Ni tabs to pouch-cell aluminum laminate film
Thermal characteristics
Outer layer softening 116 °C
Outer layer melting 135 °C
Middle layer softening 145 °C
Middle layer melting 175 °C
Reference sealing parameters
Sealing temperature 180 °C
Pressure 0.3 MPa
Heating time 3 seconds
Mechanical & chemical performance
Adhesion strength to tab > 15 N / 15 mm
Adhesion to Al laminate film > 35 N / 15 mm
Electrolyte resistance No change in LiPF₆ solution · 85 °C, 24 h test
Packaging
Packing type Vacuum-sealed aluminum moisture-barrier bag
Unit 1 roll
Applications

Pouch-cell tab sealing

Designed for sealing battery tabs to aluminum laminated pouch film during cell assembly.

Aluminum tab sealing
Heat sealing of aluminum tabs to pouch-cell aluminum laminate film.
Nickel tab sealing
Heat sealing of nickel tabs to pouch-cell aluminum laminate film.
Laboratory & pilot-scale assembly
Intended for laboratory and pilot-scale battery cell assembly.
Important information

Reference process and test conditions

Reference sealing parameters The specified reference sealing conditions are 180 °C, 0.3 MPa pressure and 3 seconds heating time.
Thermal characteristics Outer-layer softening and melting temperatures are 116 °C and 135 °C. Middle-layer softening and melting temperatures are 145 °C and 175 °C.
Adhesion performance Adhesion strength is specified as greater than 15 N / 15 mm to the tab and greater than 35 N / 15 mm to the aluminum laminate film.
Electrolyte resistance test Electrolyte resistance is specified as no change in LiPF₆ solution under the stated test condition of 85 °C for 24 hours.

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