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Exfola™ (Surface Modifiers)

Exfola™ is a true tri-block polymer consisting of polyethylene and silicone.

By adding a small amount of polyolefin material during molding, it is possible to give the characteristics of silicone (releasability, water and oil repellency, and abrasion resistance) to the surface of a molded product.

  • Releasability, water and oil repellency, and abrasion resistance are added to polyolefin surfaces.
  • It is difficult for the product to bleed out and it has a lasting effect. Heat sealing is also possible.
  • Good compatibility with polyolefins, and various molding methods can be used.

  • Improved releasability and water and oil repellency
  • Improved sliding properties (abrasion and scratch resistance)
  • Improved antifouling properties
  • No effect on the physical (mechanical) properties of polyolefins

Three types of masterbatches with different base resins are available.

 Base polymerMelting point
(°C)		MFR*
(g/10min)		GravityExfola™ content
(%)		Masterbatch
MFR* (g/10min)
PP2000hPP16330.93020
PE3027LDPE11430.9273030
LL1513
(under development)		LLDPE1133.80.9133015

*MFR: Load = 2.16 kg, Temp.: PP = 230 °C, PE = 190 °C

 Melting point
(°C)		MFR*
(g/10min)		Density
(g/ml)
FS518126 - 128>1000.963 - 0.969

*MFR: Load = 2.16 kg, Temp. = 190 °C

Product nameReference number in
gazetted list in Japan		Fire service actPackagingGeneral propertiesApplication
CAS RNChemical formulaMolecular weightAppearanceMelting point (°C)Boiling point (°C)Specific gravityFlash point (°C)Ignition point (°C)
EXFOLA™ PE3027ExistsN/A20 kg paper bagConfidentialConfidentialConfidentialWhiteNo dataNo dataNo dataNo dataNo data

Protective films, release papers,
release films, adhesive tape substrates
sealant films for food and other packages

agricultural PO films

EXFOLA™ PP2000N/A
EXFOLA™ LL1513N/A

  • Exfola™ is used as the release layer of surface protection films in the prism layer of liquid crystal displays.
  • Exfola™ facilitates the unloading of strong adhesive films.
  • Exfola™  is a silicone triblock polymer, so silicone does not transfer to the adhesive side.
  • It is possible to omit the silicone coating process that is conventionally used for strong adhesive films.
    Exfola™ increases the releasability of films.
EXFOLA Example application 1: Release layer of surface protection film
EXFOLA reducing coating process

Heat sealing is possible while maintaining oil repellency. The olefin part enables heat fusion.

We put black colored cooking oil on homogenous PP film, shook it up and down well, and then leaned it against a wall.

The film containing Exfola™ drains cleanly after 120 seconds.

EXFOLA Application example 2: Packaging materials

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