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Help CenterSgp Film Processing Technology, Zhejiang Tongdun Super Large Panel Sgp Ionic Interlayer Film for Glass Laminated Film
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Packaging and Storage of Tongdun Ionic Interlayer Film
Packaging: The inner packaging uses aluminized film for vacuum packaging, and the outer packaging uses wooden boxes. Both the inner and outer packages are attached with product information certificates.
Storage: It should be stored in a cool and dry place at a temperature below 30°C, avoiding direct sunlight. If the package is opened or damaged, it should be placed in a constant temperature and dehumidified room at a temperature of 18 - 25°C and a relative humidity below 25% and used as soon as possible.
Transportation: During transportation, avoid sun exposure, rain, heavy pressure, and severe vibration.
Shelf Life: The normal storage shelf life is two years. After opening the package and placing it in a constant temperature and dehumidified room at a temperature of 18 - 25°C and a relative humidity below 25%, it can be stored for 3 months.
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 bonding force between this film and glass is mainly the result of ionic bond action. Therefore, the bonding force 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 traditional PVB interlayer materials, and its tear strength is 5 times that of PVB interlayer materials. The ionic interlayer film developed by Tongdun has high bonding performance, optical performance, and mechanical performance, which can fully meet the requirements of the laminated safety glass industry for interlayer films. Compared with PVB films, laminated glass with ionic polymer films has the following characteristics:
● Higher Strength
Laminated glass with Tongdun ionic polymer films has higher bending strength than laminated glass with PVB films. 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 requirement, laminated glass with Tongdun ionic polymer films can be achieved with a smaller glass thickness, which is beneficial to reducing the weight of the glass and the entire support system.
● Better Post - Breakage Safety.
The ionic polymer film has higher tensile strength and tear strength. Its laminated glass still has strong supportability after breakage.
● Better Optical Performance.
The ionic polymer film has higher light transmittance, lower haze, and a low yellow index. After being compounded with ultra - white 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 interlayer film
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 |
Light transmittance |
89% |
89% |
JC/T2166 - 2013 |
Haze |
＜1% |
＜1% |
JC/T2166-2013 |
Yellowness index |
＜2 |
6-12 |
JC/T2166-2013 |
Moisture content |
＜0.1% |
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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