SEKIUSI
S-LEC Film Division

Aesthetic interlayer Film
SEF
CharacteristicsProduct use examples



Today's architectural trends, which use an increasing amount of glass, are leading to a diversified demand in laminated glass. While safety and security remain important, aesthetics, design, and view control are also demanded as functions of glass.

S-LEC™ Film - EN is an EVA-type laminated glass interlayer film. It is distinctive in that it gives glass high design properties to match today's architectural needs.



Bonds well with other materials.

S-LEC? Film - EN bonds especially well to PET, and because it is plasticizer-free, it can be used with plastics such as polycarbonate. The film can also be combined with many different materials to give laminated glass a wide variety of design possibilities, including Japanese paper, metal mesh, solar cell modules, LCD, and color PVB.

Bonding Condition of Film - EN
Vacuum condition 700mmHg or more
Bonding temperature 100°C or more
Heating time 10 minutes

Workability is an important merit.

In a vacuum, S-LEC? Film - EN can be bonded at 95oC, a relatively low temperature.. Moreover, the bonding is carried out without an autoclave or other bulky equipment. While it bonds well with PET and other materials, self-adhesion at room temperature is controlled, and calls for no covering paper-making the sheets easy to handle and enhancing the productivity.


Excellent safety, security, and UV filtering properties

Glass with S-LEC? Film - EN is even harder to shatter than glass with PVB interlayer film. Glass with PET is as strong as PVP film and similar materials, while security is enhanced even further with polycarbonate. S-LEC? Film - EN also filters out more than 99% of ultraviolet rays for your peace of mind.


Penetration Resistance of Film - EN

Ball Drop Test (JIS R 3212)
The test checks penetration status of a 300m*300mm laminated glass after a ball 2260g in weight,
82mm in diameter is dropped on its center. (At 23°C)

Interlayer film Composition* Maximum ball height(MBH)
S-LEC? Film - EN
(EVA Interlayer film)
G/0.25mm/G 0.70 m
G/0.40mm/G 1.90 m
G/0.25mm/PET/0.25mm/G 3.50 m
S-LEC? film
(PVB Interlayer film)
G/0.38mm/G 2.75 m
G/0.76mm/G 5.75 m
*Test objects ... G: 2.5mm float glass, PET: 0.075mm PET

Property Comparison between Film - EN and PVB interlayer film (S-LEC™ Film)
Property S-LEC? Film - EN
(EVA Interlayer film)
S-LEC? Film CLEAR
(PVB Interlayer film)
Bonding condition Bonding temperature (°C) 100 140
Fluidization temperature (°C) 65.5 90.4
Fluidization gradient
~104
(cm3/s?°C) 1.0 0.4
Optical
property
Luminous transmittance (%) 88.9 88.1
Haze (%) 0.2 0.4
UV filtering rate (%) 97.7 99.6
Adhesiveness 180°peeling test With glass (kg/cm) 4.1 3.2
With PET (kg/cm) 0.7 0.06
Percentage of water absorption 23°C, 24hr (%)

0.1

3.6
Tensile strength Tensile strength at break (kgf/cm2) 290 250
Elongation at break (%) 2340 455
Environmental resistance Super UV 200hr「YI No change No change
JIS-UV 3,000hr No change No change
Sunshine Weather Meter
(Pylex Glass)
1,000hr No change No change
2,000hr No change No change
3,000hr No change No change
Heat resistance 100°C, 3 months   No change No change
Moisture resistance 50°C, 95%RH, 2w   No change No change