承德市万吉仪器仪表制造有限公司

WJ—400D熔体流动速率测定仪

一、用途：

WJ—400D熔体流动速率仪符合GB/T 3682《热塑性塑料熔体质量流动速率和熔体体积流动速率的测定》标准，用于测定热塑性高聚物在高温下的流动性MI的测定，如：聚乙烯PE、聚丙烯PP、树脂ABS、聚碳酸酯PC、尼龙PA6等多种塑料原料的熔融指数的测定。该产品广泛应用于塑料原料生产厂、塑料制品厂、石油化工公司等行业以及有关大专院校、科研院所和质量检验等单位。

二、符合标准：

ASTM D 1238-13热塑性塑料熔体流动速率的标准测试方法用挤压式塑性计

ISO1133：2012热塑性塑料熔体质量流动速率(MFR)和熔体体积流动速率(MVR)的测定

GB/T3682热塑性塑料熔体质量流动速率和熔体体积流动速率的测定

GBT 3682.1-2018 塑料 热塑性塑料熔体质量流动速率(MFR)和熔体体积流动速率(MVR)的测定 第1部分：标准方法

GBT 3682.2-2018 塑料 热塑性塑料熔体质量流动速率(MFR)和熔体体积流动速率(MVR)的测定 第2部分：对时间-温度历史和(或)湿度敏感的材料的试验方法

三、特点：

该仪器采用触摸屏控制，也可计算机控制，中文汉字显示。自动控温，自动切料,可实时显示各段试验曲线，具有微型打印数据功能，可分别显示和打印最多八段实验数据及各段结果的平均值还可实现“时控切料、位移切料”。

其中WJ-400D熔体流动速率仪具备质量（MFR）和（MVR）两种测量方法，并具有自动检测融体密度测试功能。

四、工作原理

      WJ—400D熔体流动速率仪是塑料挤出仪器。它是在规定温度条件下，用高温加热炉使被测物达熔融状态。这种熔融状态的被测物，在规定的负荷下通过一定直径的小孔进行挤出试验。在塑料生产中，常用熔融指数来表示高分子材料在熔融状态下的流动性、粘度等物理性能。所谓熔体质量流动速率就是指挤出的各段试样的平均重量折算为10分钟的挤出量。

• 试验参数；

1 恒温范围：室温—450℃任意一点均可恒温。(可自己修正温度)

2自动计算融指数，配有打印机，可打印试验报告

3切料方式：自动、手动、时控三种切料方式

4控制方式：双温控（桶模上、下分别控温）+SSR+电热片

5全天候开机试验，可以每天24小时运转，全年开机工作效率高。

6砝码（0.325kg、1.2kg、2.16kg、3.8kg、5.0kg、10.0kg、12.5kg、

21.6kg）八级负载，适合所有材料检测。

7中文、英文字幕和操作系统，操作简单，使用方便。

8测量范围大适合所有材料

0.001~500g/10 min

0.001-3500cm3/10min（自动工况）

9具备质量（MFR）和（MVR）两种测量方法，并具有自动检测融体密度测试功能。 

10活塞：Φ( 9.474 ±0.005) mm    

11细孔模: 碳化钨材质

  孔径：( 2.095 ±0.005) mm

长度：( 8.000 ±0.001 ) mm

12.  计时精度：0lS

13、中文　英文　法文等多种操作系统。可以出口多国。

14．切料方式：自动、时控

15．口    模：材质为碳化钨 Φ2.095mm

16．功    率：450W

17．电    源：AC220V 、50Hz  或是AC380V  50Hz

WJ-400D melt flow rate tester

1. Application: WJ-400D melt flow rate meter conforms to GB 3682“Determination of mass flow rate and volumetric flow rate of Thermoplastic melt” standard, determination of fluidity of thermoplastic polymers at elevated temperatures, for example: polyethylene PE, polypropylene PP, resin ABS, polycarbonate PC, Nylon PA6 and other plastic raw materials of the melting index. The product is widely used in plastic raw materials factory, plastic products factory, petrochemical companies and other industries, as well as relevant colleges and universities, scientific research institutes and quality inspection units.
2. Conformance to Standard: ASTM D 1238-13 standard test method for Thermoplastic melt flow rate using the extruded plasticizer ISO 1133:2012 Thermoplastic melt mass flow rate (MFR) and melt volume flow rate (MVR) determination GBT 3682 Thermoplastic melt mass flow rate and melt volume flow rate GBT 3682.1-2018 plastics, determination of mass flow rate (MFR) and melt volume flow rate (MVR) of Thermoplastic melts-part 1: standard method GBT 3682.2-2018 plastics, determination of mass flow rate (MFR) and volume flow rate (MVR) of Thermoplastic melts-part 2: Test methods for materials sensitive to time-temperature history and (or) humidity
3. Features: the instrument uses touch screen control, computer control, Chinese characters display. Automatic temperature control, automatic cutting, real-time display of each section of the test curve, with micro-printing data function, it can display and print up to eight sections of experimental data and the average value of the results of each section. The WJ -400 D melt flow rate instrument has two measuring methods of mass (MFR) and mass (MVR) , and has the function of automatically measuring melt density.
4. Working Principle WJ-400D melt flow rate instrument is a plastic extrusion instrument. It is in the specified temperature conditions, with a high-temperature heating furnace to be measured to the state of melting. The molten state of the measured under the specified load through a certain diameter of the small hole extrusion test. In the production of plastics, the melt index is often used to express the fluidity, viscosity and other physical properties of polymer materials in the melt state. The so-called melt mass flow rate is the average weight of the extruded sections of the sample converted into 10 minutes of the extrusion volume.
5. Experimental parameters

5.1constant temperature range: room temperature-450 ° C any point can be constant temperature. (self-correcting temperature)

5.2 automatic calculation of fusion index, equipped with a printer, printable test report

5.3 cutting mode: automatic, manual and time Control 3 cutting mode

5.4control mode: double temperature control (upper and lower temperature control respectively) + SSR + electric heater

5.5 all-weather start-up test, can Run 24 hours a day, the annual boot work efficiency.

5.6  weights (0.325 kg, 1.2 kg, 2.16 kg, 3.8 kg, 5.0 kg, 10.0 kg, 12.5 kg, 21.6 kg) eight grade load, suitable for all materials detection.

5.7 Chinese and English subtitles and operating system, simple operation, easy to use.

5.8 the measurement range is suitable for all materials 0.001 ~ 500g/10min 0.001 ~ 3500cm3/10min (automatic working condition)

5.9has two kinds of measurement methods of mass (MFR) and (MVR) , and has the function of automatic detection of melt density.

5.10piston: φ (9.474 ± 0.005) mm

5.11 pore mould: tungsten carbide material, pore diameter: (2.095 ± 0.005) mm length: (8.000.001) mm

5.12.Timing accuracy: 0.01S

5.13 Chinese, English, French and other operating systems. Can be exported to many countries.

5.14 Fourteen. Cutting mode: automatic, time control

5.15 Die: Tungsten Carbide Φ2.095 MM

5.16Power: 450 W

5.17 Power supply: AC220V   50Hz ，  Or AC380V 50Hz