Usage detail

Easy-peel lid materials, general soft packaging, heat sealing and thermal laminating for paper, non-woven fabric, wood and photographic printing paper, etc.

  • Overview
  • Grade Chart
  • Physical properties
  • Usage detail
  • Product Safety Information


CMPS is a heat sealing material that boasts low temperature heat sealing properties that are superior even to EVA and ionomers. It can heat seal a wide variety of materials, and features peel open properties when used on some plastic films and sheets.

CMPSis an extrusion coatable, multi-purpose sealing resin developed with the proprietary technologies of Dow-Mitsui Polychemicals.


Low temperature heat sealing properties
CMPS™ has extremely good low temperature heat sealing properties. Adequate seal strength between two pieces of CMPS can even be obtained at 90ºC.
Gives heat sealing properties to a wide range of base materials
In addition to films and sheets including polyethylene, polypropylene, polystyrene and PVC, CMPS can also heat seal materials such as paper, paperboard, woven fabric, non-woven fabric, wood and photographic paper.
Peel open properties
On the majority of the plastic films and sheets described above, CMPS also exhibits peel open properties.
CMPS has good transparency.

Usage Precautions

Originally, protecting the contents of packaging and giving packages easy opening properties were contradictory concepts in many ways, and there was a limited scope within which the two could be balanced.

For this reason, when actually using CMPS™, it is necessary to always fill packaging with contents to conduct tests, and only commercialize packaging after confirming its sealing and peeling open properties.


Grade Test item Melt flow rate Density Tensile stress at break Tensile breaking strain Bending rigidity Durometer
D hardness
softening temperature
Food hygiene
◯: Listed (acquired), ✕: Not listed (not acquired) - : Unknown
1) Dow-Mitsui Polychemicals has not conducted an elution test using a food simulant-solvent.
2) Even if it is listed (acquired), there may be various restrictions and other requirements, please make sure to confirm the details with us.
3) Food hygiene information does not necessarily reflect the latest version of each law or regulation (including voluntary standards). Please be sure to confirm the details with us.
Measurement method JIS K7210:1999(190ºC / 2.16 kg load) JIS K7112
JIS K7106
JIS K7215
Unit g/10min kg/m3 Mpa % Mpa - MHLW Positive
Confirmation Certificate
V207 18 940 15 700 60 40 63
V70 9 920 21 900 38 35 54
V8021 31 980 14 800 27 32 46
VN503 32 940 14 600 54 44 53

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* 1 Tensile test - test piece type and testing speed: JIS K 7161-2 / 1BA / 20

* 2 Measurement instrument: Asker P-2 sensor descent rate: 10.0 mm / s

· Note: The data above are typical values and cannot be used as standard values.

· Only typical grades are listed in this table. Please contact Dow-Mitsui Polychemicals to inquire whether there are any grades other than those listed.

Physical properties

List of sealing properties on other materials for each CMPS grade

List of sealing properties on other materials for each CMPS™ grade

Sealing properties of V70 on other materials

Sealing properties of V70 on other materials

Sealing properties of VN503 on other materials

Sealing properties of VN503 on other materials

Usage detail

CMPS is used as a material for the following kinds of products.

Cup Lid

Cup Lid

Cup Jelly

Cup Jelly

Applications of CMPS

  • Cover tape for transporting electronic components
1. Easy open and peel open lid materials
Compositions such as OPP/PE/CMPS, PET/PE/CMPS™ and Paper/PE/Al/CMPS are used as the lid materials for injection molded and vacuum molded containers made from polypropylene, polystyrene, PVC and so on. Examples: Food (pudding, jelly, yogurt, side dishes, instant noodles, etc.), electronic materials
2. Flexible packaging materials (regular flexible packaging materials)
Low temperature heat sealing properties are utilized to even use CMPS as the sealing layer of flexible packaging materials (regular flexible packaging materials).
Examples: Confectionery, snacks, chocolate
3. Others
As CMPS is able to heat seal or thermally laminate paper, woven fabric, non-woven fabric, wood and photographic paper, it is also applied to fields such as building materials, wall materials and textile products.

Product Safety Information

1. Medical applications

Please do not use this product for permanent implantation in the human body or for medical applications involving a state of permanent contact with bodily fluids or human tissue (in this case, permanent means 30 days or more.)

Additionally, please consult with Dow-Mitsui Polychemicals in advance if you wish to use the product for other medical applications, such as for a medical device as defined in the Act on Securing Quality, Efficacy and Safety of Products Including Pharmaceuticals and Medical Devices.

2. Food packaging applications

Please contact Dow-Mitsui Polychemicals regarding the state of inclusion in (conformity to) domestic and overseas laws or regulations regarding food utensils, containers and packaging materials.

Outside of Japan, some grades of CMPS® easy peel resin are available as ‘APPEEL’ from the Dow Chemical Company.