LS-119 Rubber Mooney Viscometer

LS-120 Vicat Softening Point Temperature Tester
LS-118 Rubber No Rotor Rheometer
1-2-17

LS-119 Rubber Mooney Viscometer

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LS-119 Rubber Mooney Viscometer

GB/T 2423.18-2000, GB/T 10125-1997, ASTM.B117-97:

Mooney Viscometer is used for measuring viscosity and relaxation of base rubber, raw rubber stock or rubber mass prevulcanization properties, it is also used for measuring viscosity in Mooney value for compounded or uncompounded unvulcanized natural, synthetic or regenerated rubber.

This instrument has excellent performances including automatic calibration, higher stability. It can perform the following tests: до шару рідини необхідно прикласти силу, протилежну опору, scorch and stress relaxation.

Стандарт тесту:

Accord with GB/T1232″Rubber unvulcanized -Determination of mooney viscosity”,GB/T 2423.18-2000, GB/T 10125-1997, ASTM.B117-97 1233 ”Гумовий,unvulcanized-Determination of prevulcanization characteristics-Shearing disk method”,ISO289,ISO667ect.

 

LS-119 Rubber Mooney Viscometer

Специфікація:

Range of temperature control From room temperature to 200°C
Temperature fluctuation in die ≤±0.1°C
Роздільна здатність відображення температури 0.1°C
Rate of temperature increase25°C/min
Measurement range of torque 0-200 MV
Роздільна здатність крутного моменту 0.01MV
Frequency of rotor 2±0.02r/min
Temperature PID Control +/- 0.1°C
Upper & Lower Separate plate temperature control
Блок живлення 220 В ,1 Phase, 50 Гц

 

LS-119 Rubber Mooney Viscometer

особливості:

  1. Easy to use the instrument.

KJ-A016 have automatic door and all of the electric components are CE corresponding.

  1. Temperature can be increased up to 185 within 7.5min, and recovery time when beginning, and recovery time when beginning test will be less 2min. And temperature fluctuation will be within 0.1.
  2. All instruments adopted the way of PID to control temperature. The smallest size and weight in all of the same type instrument in the market;
  3. The die was designed to international standard ISO.
  4. With lower noise when working, ≤55dB.
  5. It is following ISO 289 ,ASTM D 1646, JIS K 6300 .
  6. Can variable Temperature unit “C, “ F Degree.

8.Use window XP program connect to machine & and can setting Mooney or scorch time and show Dynamically Mooney value or scorch time on the graph.

 

LS-119 Rubber Mooney Viscometer

Test Results

Measure of Mooney viscosity (Large rotor):

МІ — initial Mooney viscosity.

ML – The minimum Mooney value in the last 30 seconds before the motor stopped.

Mx-t – Mooney value relating to time t.

x-the time of preheat, t-Mooney test time

Stress Relaxation

MRe – Mooney value at the end of stress relaxation.

TRx – time needed for x% torque stress relaxation.

Xy% – % of Viscosity decay after motor stopped y sec.

The value of exponent a, the constant k, the correlation coefficient r, and the area A .

Графік ( with Viscosity-Time curve and Test temperature curve)

Mooney viscosity graph; Relaxation graph; log Mooney units Versus Log time graph.

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Scorch Data testing sample results:

-Scorch time curve

-Temperature curve

-Curve index ( Input small or Large Rotor test

МІ – initial Mooney viscosity

ML – Minimum Mooney viscosit

MF – Maximum Mooney viscosity in the end of the test

Mx-t – Mooney value relating to time t.

x-the time of preheat, t-Mooney test time

M5/M3 – ML+5/3 Mooney

M35/M18 – ML+35/18 Mooney

t5/t3 – Mooney burning time, M5/M3 corresponding time, одиниця: хв.

t35/t18 – Mooney vulcanizing time, ML+35/18 corresponding time, одиниця: хв.

 

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