Tongdun Sgp Glass Interlayer Film, Ultra-white Canopy Bulletproof Laminated Glass Film, Ionic Interlayer Film
Zhejiang Tongdun New Materials Co., Ltd. is located in Tiantai County, Taizhou City, Zhejiang Province. It is an interlayer film manufacturer specifically supporting the glass deep - processing industry. For many years, the company has been focusing on the research and development and production of high - end glass interlayer films. Its main products include colored PVB interlayer films and SGP interlayer films. After years of operation in the industry, all products of the company are produced with new materials to ensure product quality from the source.

Product Introduction
The ionic interlayer film is a copolymer of ethylene and methacrylic acid, in which part of the acrylic acid is saponified. The sodium ions in the molecular structure will form ionic clusters, which act as physical cross - linking points. Therefore, the ionic interlayer film has high mechanical properties. The tensile strength of the ionomer is more than 50% higher than that of the PVB film, and the elastic modulus is 100 times that of the PVB film. The acrylic acid in the ionic polymer will form ionic bonds with the metal ions in the glass, and its bonding strength with the glass is higher than that of the PVB film.

The ionic interlayer film developed by our company (Taizhou Infini New Materials Co., Ltd.) has high bonding properties, optical properties, and mechanical properties, which can fully meet 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 bending strength than the laminated glass with PVB film. Under the same glass structure and thickness, it has higher load - bearing capacity and wind - pressure resistance.
Lower Deflection and Larger Equivalent Glass Thickness
Due to its high strength, in architectural design, under the same deflection requirement, the laminated glass with Tongdun ionic polymer film can achieve the goal with a smaller glass thickness. It is beneficial to reduce 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, and its laminated glass still has strong support after being broken.
Better Optical Properties.
The ionic polymer film has higher transmittance, lower haze, and a low yellow index. After being compounded with ultra - clear glass, it has higher transparency and visual effects.

Product Specifications:
Thickness 0.76mm 0.89mm 1.14mm 1.52mm
Length 200m 200m 150m 100m
Width ≤2500mm ≤2500mm ≤2500mm ≤2500mm
Note: The inventory is mainly in the width of 2440mm.

Packaging: The inner packaging uses aluminized film vacuum packaging, and the outer packaging uses wooden box packaging. Both the inner and outer packaging are attached with product information certificates.
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 dehumidification room at a temperature of 18 - 25℃ and a relative humidity below 25% and used as soon as possible.
Transportation: Avoid sun exposure, rain, heavy pressure, and severe vibration during transportation.
Shelf life: The normal storage shelf life is two years. After opening the package, it can be stored for 3 months in a constant temperature dehumidification room with a temperature of 18~25℃ and a relative humidity of less than 25%.
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