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Help CenterTongdun Sgp Film, Domestic Ionic Interlayer Film for Laminated Glass, 1.14mm, Exported From Zhejiang
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Packaging and Storage of Tongdun Ionic Interlayer Film
Packaging: The inner packaging uses an aluminum-plated film for vacuum packaging, and the outer packaging uses a wooden box. Both the inner and outer packaging are accompanied by a product information certificate.
Storage: It should be stored in a cool and dry place at a temperature below 30℃, avoiding direct sunlight. If the packaging is opened or damaged, it should be placed in a constant temperature and dehumidified room at a temperature of 18~25℃ and a relative humidity of below 25% and used as soon as possible.
Transportation: During transportation, avoid sunlight, rain, heavy pressure, and severe vibration.
Shelf life: The normal storage shelf life is two years. After unpacking, it can be stored for 3 months in a constant temperature and dehumidified room at a temperature of 18~25℃ and a relative humidity of below 25%.
Performance Introduction of Tongdun Ionic Interlayer Film
The ionic interlayer film is an ionic film of a copolymer of ethylene and methacrylate, containing a trace amount of sodium metal ions. The adhesion between this film and glass is mainly the result of the action of ionic bonds. Therefore, the adhesion between the ionic interlayer film and glass is much higher than that between the PVB film and glass. Moreover, its hardness is 100 times that of the traditional PVB interlayer material, and its tear strength is 5 times that of the PVB interlayer material. The ionic interlayer film developed by Tongdun has high adhesion, optical, and mechanical properties, fully meeting the requirements of the laminated safety glass industry for interlayer films. Compared with the PVB film, the laminated glass with the ionic polymer film has the following characteristics:
● Higher strength
The laminated glass with Tongdun ionic polymer film has higher flexural strength than that with the PVB film. Under the same glass structure and thickness, it has higher load-bearing and wind pressure resistance.
● Lower deflection and larger equivalent glass thickness
Due to its high strength, in architectural design, under the same deflection requirements, the laminated glass with Tongdun ionic polymer film can achieve the goal with a smaller glass thickness. This is beneficial for reducing the weight of the glass and the entire support system.
● Better post-breakage safety
The ionic polymer film has higher tensile and tear strength. The laminated glass still has strong support after breaking.
● Better optical performance
The ionic polymer film has higher light transmittance, lower haze, and a low yellow index. After being compounded with ultra-clear glass, it has higher transparency and visual effects.
Product Specification Sheet
Thickness |
Width |
Length |
0.76mm |
Width 2440mm, customizable according to customer requirements |
200 meters |
0.89mm |
Width 2440mm, customizable according to customer requirements |
200 meters |
1.14mm |
Width 2440mm, customizable according to customer requirements |
150 meters |
Note: Other thicknesses and sizes can be customized according to actual needs
Product Performance
Comparison of Physical Property Parameters of Intermediate Films
Item |
Tongdun Ionomer Film |
PVB Film |
Testing Standard |
Tensile Strength |
34Mpa |
25Mpa |
ASTM D-638 |
Elongation at Break |
350% |
250% |
ASTM D-638 |
Density |
0.96g/cm 3 |
1.067/cm 3 |
ASTM D-792 |
Transmittance |
89% |
89% |
JC/T2166-2013 |
Haze |
|
|
JC/T2166-2013 |
Yellowness index |
|
6 - 12 |
JC/T2166-2013 |
Moisture content |
|
0.35% - 0.55% |
JC/T2166-2013 |
Coefficient of thermal expansion |
100x10 -6 mm/mm/℃ |
155x10 -6 mm/mm/℃ |
ASTM D-696 |
Heat distortion temperature |
37℃ |
--- |
ASTM D-648 |
Shear modulus ( 30℃, 3s) |
140Mpa |
1.3Mpa |
ISO-6721 |
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