WJ—400C型熔體流動速率測定儀

一、用途：

WJ—400C型熔體流動速率儀符合《GB/T 3682熱塑性塑料熔體質量流動速率和熔體體積流動速率的測定》標準，用于測定熱塑性高聚物在高溫下的流動性，如：聚乙烯PE、聚丙烯PP、樹脂ABS、聚碳酸酯PC、尼龍PA6等多種塑料原料的熔融指數的測定。該產品廣泛應用于塑料原料生產廠、塑料制品廠、石油化工公司等行業以及有關大專院校、科研院所和質量檢驗等單位。

產品提供中文、英文、德文、法文、俄文等操作系統，用于出口?！?/span>

二、符合標準

      ASTM D 1238-13熱塑性塑料熔體流動速率的標準測試方法 用擠壓式塑性計

      ISO1133-1-2：2011熱塑性塑料熔體質量流動速率(MFR)和熔體體積流動速率(MVR)的測定

GB/T3682熱塑性塑料熔體質量流動速率和熔體體積流動速率的測定

GBT 3682.1-2018 塑料 熱塑性塑料熔體質量流動速率(MFR)和熔體體積流動速率(MVR)的測定 第1部分：標準方法

GBT 3682.2-2018 塑料 熱塑性塑料熔體質量流動速率(MFR)和熔體體積流動速率(MVR)的測定 第2部分：對時間-溫度歷史和(或)濕度敏感的材料的試驗方法

三、特點：

熔體流動速率儀具備質量（MFR）和（MVR）兩種測量方法，并具有自動檢測融體密度測試功能。自動計算。

該儀器采用PLC控制、OP系列液晶文本顯示、中文提示按鍵操作簡單方便；自動控溫，恒溫后可連續多次試驗無需等待，包含定時或定位移切料兩種試驗方式，質量輸入后自行計算熔體體積流動速率并可自動計算熔體熔融密度；按結果鍵自動計算熔體體積流動速率；是功能齊全性價比*的一款。

四、工作原理

　　熔體流動速率儀是塑料擠出儀器。它是在規定溫度條件下，用高溫加熱爐使被測物達熔融狀態。這種熔融狀態的被測物，在規定的負荷下通過一定直徑的小孔進行擠出試驗。在塑料生產中，常用熔融指數來表示高分子材料在熔融狀態下的流動性、粘度等物理性能。

五、試驗參數；           

1、顯示方式：觸摸屏顯示，中文、英文等多種操作系統。

2、測量方式：質量法（MFR）體積法（MVR）。

3、恒溫范圍：室溫—450℃任意一點均可恒溫。(可自己修正溫度)

4、溫度精度：±0.1℃。

5、溫度分辨率：0.1℃。

6、計時范圍：0.1——999.000秒。

7、計時精度：0.1秒。

8、切料方式：自動、手動、時控三種切料方式。

9、自動計算融指數，配有打印機，可打印試驗報告。

10、口模材質：碳化鎢。

11、口模直徑：2.095 mm。

12、熔體流動速率測試范圍：0.001~500.000g/10 min （MFR）

                O.001～1000.000cm³／10min(MVR)

13 控制方式：雙溫控

14 升溫時間：10分鐘

15 口模塞規：孔徑2.0904/2.1006 mm

16活塞：Φ( 9.4742 ±0.007) mm    活塞頭長度6.35 mm土0.10 mm

　下邊緣半徑0.4—（0.0-0.1）mm

　活塞桿細環形參照標線相距30 mm士0.2 m m

17 細孔模: 碳化鎢材質

   外徑：( 9.55 ±0.005) mm

   孔徑：( 2.0955 ±0.0051) mm

　　長度：( 8.00 ±0.001 ) mm

18具有超溫保護功能，溫度到達極限值侯自動停止加熱。

Wj-400c melt flow rate tester

1、 Purpose:

Wj-400c melt flow rate meter conforms to GB / T 3682 measurement of melt mass flow rate and melt volume flow rate of thermoplastic plastics. It is used to determine the flow rate of thermoplastic polymers at high temperature, such as the measurement of melt index of polyethylene PE, polypropylene PP, resin ABS, polycarbonate PC, nylon PA6 and other plastic raw materials. The product is widely used in plastic raw material factory, plastic product factory, petrochemical company and other industries, as well as relevant colleges and universities, scientific research institutes and quality inspection units.

The products provide Chinese, English, German, French, Russian and other operating systems for export.

2、 Compliance with standards

ASTM D 1238-13 Standard Test Method for melt flow rate of thermoplastic extrusion plastimeter

ISO 1133-1-2:2011 determination of melt mass flow rate (MFR) and melt volume flow rate (MVR) of thermoplastics

GB / t3682 thermoplastics -- Determination of melt mass flow rate and melt volume flow rate

Plastics - Determination of melt mass flow rate (MFR) and melt volume flow rate (MVR) - Part 1: standard method (GBT 3682.1-2018)

Plastics - Thermoplastics - Determination of melt mass flow rate (MFR) and melt volume flow rate (MVR) - Part 2: Test methods for materials sensitive to time temperature history and / or humidity (GBT 3682.2-2018)

3、 Features:

The melt flow rate instrument has two measuring methods of mass (MFR) and MVR, and has the function of automatic detection of melt density.

The instrument adopts PLC control, Op series liquid crystal text display and Chinese prompt key to operate simply and conveniently; it can control temperature automatically, after constant temperature, it can test continuously for many times without waiting, and the displacement count adopts high-precision photoelectric encoder to count with high precision; it includes two test modes of timing or positioning moving cutting material, after mass input, it can calculate the melt volume flow rate by itself and calculate melt melting automatically Melt density; calculate the melt volume flow rate automatically according to the result key; it's a type with complete functions and high cost performance.

4、 How it works

The melt flow rate instrument is a plastic extrusion instrument. It uses a high-temperature heating furnace to make the tested object melt under the specified temperature condition. The test object in this melting state is extruded through a certain diameter hole under a specified load. In the production of plastics, melt index is often used to express the physical properties of polymer materials, such as fluidity, viscosity and so on. The so-called melt mass flow rate refers to the average weight of each section of extruded sample converted to the extrusion amount of 10 minutes.

5、 Test parameters;

1. Display mode: touch screen display, Chinese, English and other operating systems.

2. Measurement method: mass method (MFR) and volume method (MVR).

3. Constant temperature range: room temperature - 450 ℃, any point can be constant temperature. (temperature can be adjusted by yourself)

4. Temperature accuracy: ± 0.01 ℃.

5. Temperature resolution: 0.01 ℃.

6. Timing range: 0.01-999.000 seconds.

7. Timing accuracy: 0.01 seconds.

8. Cutting mode: automatic, manual and time control.

9. Automatic calculation of financial index, equipped with printer, can print test report.

10. Die material: tungsten carbide.

11. Die diameter: 2.095 mm.

12. Test range of melt flow rate: 0.001 ~ 3000.000g/10min (MFR)

O.001～5000.000cm3／10min(MVR)

13 control mode: double temperature control

14 heating time: 10 minutes

15 port die plug gauge: aperture 2.0904/2.1006 mm

16 piston: Φ (9.4742 ± 0.007) mm piston head length 6.35 mm soil 0.10 mm

Lower edge radius 0.4 - (0.0-0.1) mm

The distance between the fine ring reference lines of piston rod is 30m m ± 0.2m

17 fine hole mold: tungsten carbide material

Outer diameter: (9.55 ± 0.005) mm

Aperture: (2.0955 ± 0.0051) mm

Length: (8.00 ± 0.001) mm

18 has over temperature protection function, automatically stops heating when the temperature reaches the limit value.