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BONYL-SPY™

Characteristics

Chlorine-free
The BONYLTM-SPY is a co-extruded gas barrier nylon film produced using the Tubular method. With its oxygen barrier performance equivalent to that of the BONYL™-K, it contains no chlorinated substance and generate no chlorine gas when burnt.
Resistant to heat
The film may be used not only in the boil treatment but also semi retort field, which conventional PVdC coated material did not withstand.
Heat shrinkage anisotropy
This film is manufactured using the Tubular method as well as BONYL™-RX. With little heat shrinkage anisotropy, it is not prone to pattern deviation in bag production, to S-shaped curling, or to bag deformation resulting from heat treatment for sterilization.
Flexibility
As it is produced with the Tubular method, it is softer than the co-extruded barrier nylon film produced by the Tenter method, although the difference is smaller than it is with the ONY film. Printability including "half-tone" printing is as same as BONYL™-RX.
Suitable for half-tone printing
This film is composed of outer layers made of a normal nylon resin known as Nylon 6, and a middle layer made of a gas barrier nylon resin.

The BONYL™-SPY Laminate Structure

Examples of Applications

Japanese confectionery, cheese, meat, use as middle layer of laminated products

Grades

Type Thickness(µm) Corona treatment Characteristics
SPY 15
18		 inside corona Gas barrier performance
SPYW 15
18		 both side corona Gas barrier performance

Properties

Quality properties of the BONYL™-SPY (in single film)

Item Unit Measuring Method BONYL-SPY™
Thickness µm Dial gauge 15
Tensile strength MD MPa JIS Z 1714 235
TD 245
Tensile elongation MD % JIS Z 1714 130
TD 100
Impact strength J per sheet Film impact tester (φ 1/2 inch) 1.0
Stick resistance N per sheet Previous JAS 1019 10.0
Gelbo flex test Number of pinholls / 0.05 m2 500 times at 5°C 20
Oxygen trancemission rate (at 20°C&60%RH) ml/(m2· d·MPa) Compliant with JIS K 7126 60
Coefficient of friction (untreated surfaces) Static - ASTM D1894 0.3
Dynamic 0.4
Haze % JIS K 7105 5.2
Hot water shrinkage rate MD % 100°C,30minutes 4.0
TD 3.7

Note: The data presented herein are typical values under specific conditions.

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