Technical notes, application guidance, standards commentary, and company updates for thermal and materials testing laboratories.
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Hunan Zhenhua Analytical Instruments Co., Ltd. announced an autumn promotion for ceramic laboratory instruments from September 1 through October 1, 2019. The listed models are TCY, JB-30, XPY, PCY-III...
Thermal-conductivity test methods are divided into steady-state and transient methods. Steady-state methods such as heat-flow, guarded heat-flow, and hot-plate methods are direct measurements based on...
To all employees, The 2019 Dragon Boat Festival holiday will last three days: June 7, Friday and the statutory festival holiday; June 8, Saturday and a regular rest day; and June 9, Sunday and a regul...
On the morning of May 17, 2019, company technicians arrived at the Qilu University of Technology laboratory in Jinan to install, commission, and provide training for 14 instruments repurchased by a fa...
To all employees, In accordance with the Decision of the State Council on Amending the Measures for Holidays on National Annual Festivals and Memorial Days, the company’s Labor Day schedule is as foll...
In accordance with the State Council General Office’s notice on the 2019 holiday schedule, the company will observe the Qingming Festival holiday on Friday, April 5, 2019, with the weekend as a contin...
Alibaba Group invited a senior foreign-trade lecturer from Guangzhou to Xiangtan to provide training for local export enterprises. The training covered foreign-trade operating skills; the company repo...
On the eighth day of the 2019 Lunar New Year, Hunan Zhenhua Analytical Instruments Co., Ltd. resumed work. The company sends New Year greetings to colleagues and their families and thanks its employee...
Dear customers, As the Spring Festival approaches, Hunan Zhenhua Analytical Instruments Co., Ltd. thanks you for your support and sends its greetings. In accordance with the holiday notice of the Gene...
The Hunan Industrial Design Association held a meeting in Shaoshan on December 5–6, 2018. Wang, general manager of Hunan Zhenhua Analytical Instruments Co., Ltd., was invited to attend....
A PCY-III-1000 high-temperature horizontal dilatometer was loaded for transport to Changsha Huanghua Airport on May 10, 2018, for shipment to Tel Aviv, Israel. On the afternoon of May 21, the online t...
An Austrian customer visited the company’s facility and repeatedly described the equipment as a “nice machine.” The GKZ-II-1600 fully automated high-temperature flexural testing machine completed acce...
A policy briefing for Xiangtan’s unified government export-credit-insurance platform for small and micro enterprises was held at Huayin Hotel in Xiangtan on July 30, 2018. Hunan Zhenhua Analytical Ins...
Another DRH300A high-precision guarded hot plate thermal conductivity meter was loaded for shipment to Hanoi at 4:30 p.m. on April 27, 2018. It was the company’s second export of this model that year,...
On January 15, 2018, Hunan Zhenhua Analytical Instruments Co., Ltd. and POLMA Co., Ltd. of South Korea signed an export contract for one DRH300A flat-plate heat-flow thermal conductivity instrument. A...
The HF-120-VIP system performs rapid on-line thermal-performance testing of vacuum insulation panels (VIPs). Its sensor and measurement unit heats a VIP and detects heat flow. A control unit reads and...
The WQY thermal bimetal bending test system is designed in accordance with GB/T 8364-2008, Method for Measuring the Bending Constant of Thermal Bimetal. It measures specific bending, thermal curvature...
On October 26, 2016, Hunan Zhenhua Analytical Instruments Co., Ltd. signed a purchase contract with Shanghai Songsun Special Metals Co., Ltd. for a thermo-bimetal bending tester, model WQY. After comp...
Freeze drying removes water from high‑moisture materials by first freezing them into a solid state and then, under vacuum, allowing the ice to sublimate directly into vapor. Because the solid matrix i...
On November 27, 2016, Hunan Zhenhua Analytical Instruments Co., Ltd. signed a procurement contract with CRRC Qishuyan Institute of Locomotive and Rolling Stock Technology for a GYH-A high-temperature ...
The horizontal push-rod dilatometer measures the coefficient of thermal expansion (CTE), glass transition temperature, and softening point of glass. Under a programmed temperature profile and a load a...
GB/T 16406-1996 is a test method for measuring the damping properties of acoustic materials by bending resonance. The method was formulated with reference to ISO 6721-3:1994, Plastics—Determination of...
The DIL 0809 PC series measures specimen dimensional change as a function of temperature or time under a programmed temperature profile and a load approaching zero. Possible specimens include solids, ...
The DIL 0809 PC high-precision dilatometer uses a differential sensor and a horizontal configuration. The sample holder has a grooved tubular design, and the thermocouple is positioned close to the sa...
Overview The analyzer uses the dilatometry method to determine thermal expansion coefficients, critical (softening) temperatures, and phase transformations of metals, ceramics, refractories, and other...
Overview Thermal conductivity is a key parameter for characterizing material physical properties. Industries such as aerospace, nuclear energy, construction, and non-metallic materials require predict...
A thermal conductivity tester measures the thermal conductivity of materials such as plastics, glass, fibers, and foams. Typical users include materials testing laboratories, research institutes, fact...
Technical specifications include a temperature range from room temperature to 1,400 °C, temperature-control accuracy of ±0.3 K per 30 minutes, and a minimum temperature resolution of 0.01 K. Heating u...
Methods for Determining Thermal Expansion Parameters of Metallic Materials (GB/T 4339-84)....
GB/T 4966-1985....
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