Hebei Huami New Material Technology Co., Ltd.
Hebei Huami New Materials Technology Co., Ltd. purchased one VicoMeter WKT-C20Pro Karl Fischer moisture analyzer and one WKT-VST300 HDT/Vicat softening point tester. Having bought a WKT-C9 volumetric Karl Fischer moisture analyzer in 2018, it planned to use the new units separately in its new workshop laboratory. Since its samples were unsuitable for the WKT-C20Pro, we recommended the WKT-A9 Karl Fischer moisture analyzer with the matching WKT-V2 Karl Fischer oven.
The VicoMeter fully automatic WKT-C20 Karl Fischer moisture analyzer works on the Karl Fischer volumetric principle for rapid moisture determination, measuring down to 10 ppm and testing solids, liquids, and powders within 30 seconds! The WKT-C20 Pro further upgrades VicoMeter's smart analyzer with higher automation and precision, complies with multiple national and international standards and pharmacopoeia requirements, and is widely used in chemical, petroleum, pharmaceutical, power, food, battery, plastics, research, and testing industries.
The VicoMeter WKT-C9 fully automatic Karl Fischer moisture analyzer uses the volumetric Karl Fischer principle to rapidly determine moisture down to 10 ppm, measuring solids, liquids, and powders within 30 seconds. Its built-in RS232 port connects printers, balances, computers, and other peripherals, and it stores 200 data sets with real-time query. A further upgrade of the Victor smart-series moisture analyzer, the C9 delivers a higher level of automation and precision. It complies with multiple national and international moisture standards as well as pharmacopoeia requirements and is widely used in chemicals, petroleum, pharmaceuticals, power, food, batteries, plastics, research, and testing.
The VicoMeter WKT-VST300 touch-controlled HDT/Vicat softening point tester offers 3 stations, touch-screen control, a built-in micro printer, and a 15 L oil bath, with a liftable sample stand. It determines the heat deflection temperature and Vicat softening point of non-metallic materials such as plastics, rubber, nylon, and electrical insulating materials, meeting ISO 75 (E), ISO 306 (E), GB/T 8802, GB/T 1633, GB/T 1634, and other standards, and is widely used for such measurement in plastics, rubber, nylon, insulating materials, and chemical building materials.
Coulometric (coulometry) principle, ideal for trace-level testing; 5-inch color touchscreen with smart operation, automatic result calculation, and freely configurable sample IDs; complies with multiple national standards and suits virtually every industry.
8 moisture calculation formulas, 6 determination methods, and 8 end-point detection algorithms
Automatic drift compensation, automatic subtraction of ambient and background moisture, and self-diagnostic fault alerts
One-touch start for reliable results
Outstanding automation — connects seamlessly to the Karl Fischer oven for difficult samples
RS232 interface for connection to a PC, printer, PLC, or LIMS
When measuring moisture with a Karl Fischer analyzer, most samples can be added directly to the generator cell/titration cell for simple, accurate testing. Some samples, however, cannot be added directly because their moisture is not released naturally or they undergo side reactions with the Karl Fischer reagent — for example powders, granules, pastes, and oxidizing inorganic salts.
For samples that cannot be added directly to the cell, pairing the WKT-V2 Karl Fischer oven for gas-phase extraction is the perfect solution. The sample is placed in a vial and moved onto the oven, heated to a specific temperature (up to 300˚C), and the moisture is extracted and carried into the cell by dry air or nitrogen, then measured perfectly.
After commissioning and training on the WKT-C20Pro, the technician's verification test showed moisture of 103.2% and the operator's test 100.3%. However, since the customer's samples were high-temperature-resistant plastic pellets, the WKT-C20Pro was unsuitable. After discussion, the customer exchanged the unit for an A9+V2 combination.
The HDT/Vicat tester heats and cools rather slowly, and the customer refined their operation during use. With 80*10*4.1 mm bars, normal deflection and Vicat readings were achieved at an oil temperature of 240°C. With the new workshop in low-volume production and limited staffing, only 2-3 product types have been tested, and the customer approves the data.
As the new laboratory bench and ventilation system were not ready, the customer planned to rearrange the equipment and install ventilation after the New Year. During shipment of the WKT-A9 and WKT-V2 Karl Fischer oven, the customer purchased a compliant nitrogen cylinder and pressure-regulating valve. The equipment was installed and commissioned successfully upon arrival.
| Test Item | 100ug | 200 | 500 | 1000 | V2:2000 |
| Technician | 97.43 | 205.31 | 512.43 | 974.16 | 1999.61 |
| Operator | 96.54 | 210.16 | 529.02 | 928.18 | 1981.20 |
Founded in 1989, Hebei Huami New Materials Technology Co., Ltd. is located in the Ren County Economic Development Zone, Xingtai, Hebei, covering about 99,000 m². A professional manufacturer of specialty rubber compounds, rubber-plastic seals, and vibration-damping products, it is an executive director unit of the China Rubber Industry Association and vice-chairman unit of its rubber products branch, with 2019 main business revenue of RMB 260 million. Products serve automotive, high-speed rail, construction machinery, petrochemical, aerospace, and other fields. The company is a 'Hebei Famous Trademark Enterprise', 'Hebei High-Tech Enterprise', and 'Hebei Industrial Cluster Leading Enterprise'; its products have won 'Hebei Quality Product' and other honors; its R&D center is a recognized provincial enterprise technology center, Xingtai engineering research center for sealing and vibration damping, and postdoctoral workstation. In 2019 it led the founding of the Hebei Specialty Rubber-Plastics Industrial Technology Research Institute for R&D in specialty rubber-plastic materials, products, processes, and engineering plastic modification.
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