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Yanzhi Crosslinking degree test System Model: EVA-CC

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Solar cell packaging film is based on EVA as the material, supplemented by several kinds of modifying agents, through the film forming equipment hot rolled into thin film products. The product is heated in the process of solar cell packaging, producing a crosslinking reaction, which is a thermosetting hot melt film. The cured film has quite high light transmittance, bonding strength, thermal stability, air tightness and aging resistance. The linear or mildly branched polymers are converted into a three-dimensional network through the action of crosslinagents. It can significantly improve the cohesion strength and thermal stability of the polymer. In order to master the relationship between the physical property and the crosslinking degree of EVA adhesives, and the relationship between the crosslinking degree and the dosage of the crosslinking agent, the crosslinking degree must be correctly determined. The determination of crosslinking degree is very important for the control of production process, the selection of raw materials and the control of product quality.

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  • Technical Parameters

1) One pp material fume cabinet (1800 * 850 * 2350) can be placed at the same time with three special sinks to facilitate the backflow in and out of water；

2) The maximum weighing amount of one electronic balance is 100g, the accuracy is 0.1mg, the disk: 125mm, including calibration weight；

3) 1 RT + 10~200°C, volatility ± 1C, vacuum <133pa chamber size 300 * 300 * 275mm power 300W；

4) Digital microcomputer control, stainless steel liner, tempered / bulletproof double glass door；

5) One rotary plate vacuum pump；

6) Xylene filtration device；

7) 3 sets of EVA crosslinking test extraction devices；

8) Beaker (1000ml)；

9) One 0-200℃ thermometer；

10) 3 sets of funnel brackets；

11) Instrument composition；

12) 3 round bottom flask and plug (2000ml, 5 openings)；

13) 3 reflux condensate tubes (24 " grinding)；

14) Electric heating sets (over 140℃) 3；

15) Test temperature: about 140℃ boiling point of xylene.

Solutions

 IEC61215

IEC61730

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