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HOMEProductsFilms for ConvertingKOHJIN KOHBARRIER™

KOHJIN KOHBARRIER™

Characteristics

  • This film is comparable with transparent vaporized deposit films in terms of gas barrier performance. Its moisture proof properties are identical with those of the base film.
  • With outstanding oxygen barrier properties under high humidity conditions and a high level of water activity at about 0.9, this film may be used for food without risk.
  • Inks and adhesives for plain films may be used for this film.
  • Barrier properties do not deteriorate during a printing or laminating process.
  • There is reassurance in using this film, as bending results in a minor decline in barrier performance.
  • It doesn't have yellowish problem that is sometimes coming out on PVdC coated one and on silica vaporized deposit one.
  • This film generates no chlorine gas when burnt.
  • This film supports simplification and weight reduction of packaging materials in compliance with the Act on the Promotion of Sorted Collection and Recycling of Containers and Packaging.

Examples of Applications

Uncooked square rice cakes, cheese, soup, miso fermented soybean paste, sausages, pet food, food delicacies, and others

Specifications

Item Unit Measuring Conditions KOHJIN KOHBARRIER™
ONY
(15µm)
(25µm)
Oxygen transmission rate (O2 TR) 20°C×0%RH ml/(m2·d·MPa)
[cc/(m2·d·atm)]		 Compliant with JIS K 7126 (Mocon method) 10
[1]
50%RH 15
[1.5]
90%RH 30
[3]
Water vapor transmission rate (WVTR) 40°C×90%RH g/(m2·d) JIS Z0208 10

Laminate Structure: Films / LLDPE 50 µm

Note: The data presented herein are typical values and not guaranteed values.

Properties

Item Unit Measuring Conditions KOHJIN KOHBARRIER™ ONY BONYL-SPY™(*1) PVDC-coated ONY Film
Base film thickness µm JIS K 7127 15 15 15
Tensile strength MD MPa JIS K 7127 250 235 250
TD 280 245 280
Tensile elongation MD % JIS K 7127 120 130 120
TD 110 100 110
Tensile elasticity modulus MD GPa JIS K 7127 3.0 2.9 2.6
TD 2.5 2.7 2.1
Impact strength J per sheet Film impact tester 1.2 1.0 1.2
Tear strength MD mN per sheet Low load tearing tester 70 70 70
TD Low load tearing tester 70 70 70
Wetting tension mN/m JIS K 6768 54 54 52
Coefficient of friction(µs/µd) F/F(*2) - Compliant with ASTM D1894 0.35/0.38 0.30/0.35 0.35/0.38
C/C(*2) 0.60/0.70 0.80/1.10 0.30/0.35
Haze % JIS K 7105 1.9 5.2 2.1
Oxygen transmission rate (O2TR) of LL 50 µm DL product 0%RH ml/(m2·d·MPa)
[cc/(m2·d·atm)]		 Compliant with JIS K 7126 (Mocon method) 10[1] -[-] 60[6]
50%RH 15[1.5] 60[6] 60[6]
90%RH (20°C) 30[3] 150[15] 60[6]
Water vapor trans mission rate(WVTR) Single film g/(m2·d) JIS Z 0208
(40°C×90%RH)		 300 100 12
LL 50 µm DL product 10 9 5.5

Note: The data presented herein are typical values and not guaranteed values.

  • *1 BONYLTM-SPY: a Tubular co-extruded gas barrier nylon film
  • *2 "F" refers to a non-coated surface and "C" to a coated surface.

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