Guanya SFY-100 halogen moisture analyzer application in the plastic industry.pdf
Plastic moisture meter, plastic moisture meter
Application Case of SFY-100 Plastic Moisture Analyzer in Plastic Industry
Moisture content is an important factor affecting the processing technology, product appearance and product characteristics of resins such as polyamide (PA) and polycarbonate (PC). In the injection molding process, if plastic particles with high moisture content are used for production, it will not only affect the processing and product quality of the product, but also increase the scrap rate of the product and ultimately affect the quality of the finished product, such as: surface cracking, reflective, And the mechanical properties such as impact resistance and tensile strength are reduced. Therefore, the control of moisture content is essential for the production of high-quality plastic products.
1. The traditional method of testing moisture:
The traditional detection of plastic moisture generally uses an oven. This method is not only cumbersome to operate, long in time, and low in efficiency, but more importantly, it is not suitable for the production guidance of the assembly line. The Karl Fischer titration method requires not only a well-equipped laboratory and well-trained operators, but the reagents required for the experiment are long-term consumables, which means a greater cost for the company. What is more critical is that the reagents are toxic, and it is necessary to train, guide and equip the operating laboratory personnel with protective measures (currently equipped with a very small number of domestic enterprises).
2.1. Working principle of the instrument:
SFY-100 plastic rapid moisture analyzer is a new type of rapid moisture detection equipment developed by Shenzhen Guanya Electronics in response to the current needs of China's plastic industry and based on the "oven method" principle. This equipment solves the plastics production and experimentation. In the middle oven method, the test time is too long and the process is too slow. In order to ensure the high accuracy of the sample during the weighing and calculation process, the imported precision weighing system is used to weigh the sample; at the same time, the device has temperature setting and control, etc. The function realizes full intelligence in the process of moisture testing; heating uses a special halogen heating source device to achieve rapid drying of the sample, and directly compares the change in sample quality before and after drying to obtain the final moisture content. Various technical parameters are displayed on the operation interface. The measurement accuracy is high, the time is short, no consumables, the operation is simple, and it is not affected by the environment, temperature and humidity. Without auxiliary equipment, drying, determination, and moisture content calculation are completed in one operation. It is an indispensable and rapid moisture determination instrument in the plastics industry.
2.2. Application of SFY-100 Plastic Quick Moisture Analyzer:
In order to reduce costs and control the scrap rate of products, to meet the needs of various levels of plastic moisture testing, guide production in a timely manner. SFY-100 plastic moisture analyzer quickly solves this problem. SFY-100 does not require the use of expensive precision instruments or additional chemical reagents. At the same time, high-resolution, high-heating ring halogen lamps and uniquely designed gold-plated radiators also ensure the rapid and accurate determination of moisture content. SFY-100 Plastic Moisture Analyzer can be used to measure the moisture content of any plastic particulate matter, (except for substances that cause dangerous chemical reactions by heating). Compared with the traditional oven heating method, SFY-100 Moisture Analyzer can be reached in the shortest time The maximum heating power, the sample is dried quickly at high temperature, which greatly speeds up the measurement time. Samples of rubber, plastic and nylon can be completed in just a few minutes. The test results have good consistency with the national standard oven method and are replaceable
2.3. How to use SFY-100 Plastic Moisture Analyzer:
The product can be connected to a printer and a computer. The instrument operation interface has a zero-setting key, a display key, a calibration key, and a test key. Put the tripod and the sample tray into the fixed position of the instrument, and then turn on the instrument, the instrument automatically returns to zero, then spread the sample evenly in the sample tray, press the test button, the instrument automatically starts heating work. For the moisture test of the entire powder industry, the entire process takes only 2-4 minutes.
3. Below, take the application of the determination of the moisture content of polyamide 6 (PA6) and copolyester (PETG) plastic particles as an example.
In one step, explain the excellent performance of SFY-100 plastic moisture analyzer. (Table 1, Table 2) In the production process of PA6 resin, it is generally recommended that the moisture content of the raw material before injection molding should be less than 0.2%. However, the resin will absorb nearly 2.5% of water in an environment with a temperature of 23 ° C and a relative humidity of 50%. Therefore, the resin raw materials must be dehumidified and dried to meet the injection molding requirements. Before the implementation of the drying process, another benefit of measuring the moisture content of the plastic particles is that the drying time can be optimized (such as shortening the drying time from the original 4h to 1h), reducing energy consumption costs.
Table 1 (PA6) Provided by the Plastic Modification Professional Committee
Table 2 (PETG) Provided by First Cornerstone (Hong Kong) Limited
In the experiment, in order to verify the accuracy of the results of Shenzhen Guanya SFY-100 plastic moisture analyzer, the moisture content of PA6 and PETG with three different moisture contents were measured, and the results were compared with the Karl Fischer titration method and The oven was compared.
3.2 Use effect:
Through experiments, it was found that the high reproducibility measurement results of the three samples with different moisture contents measured by SFY-100 are very close to the results of Karl Fischer titration and oven (as shown in the table in Figures 1 and 2)
3.3 Application effect of moisture analyzer:
Through the above examples, it can be found that Shenzhen Guanya SFY-100 plastic moisture analyzer not only has the advantages of simple operation and high efficiency, but also can achieve fast and accurate moisture determination without using chemical reagents and professional laboratory operators. Industry customers provide a fast, simple and reliable method for moisture determination, which greatly improves product quality and production efficiency.
-------- Liu Yingjun
Vice Chairman and Secretary General of Plastic Modification Professional Committee of China Plastics Engineering Society
Standing Director of the Flame Retardant Professional Committee of the China Ordnance Society
Silicone Kneading Dough Mat,Eco-Friendly Dough Mat,Pastry Baking Dough Mat,Baking Dough Mats
Changshu Xinneng Silicone Products Co., Ltd. , https://www.xnmat.com