• Low Temperature Retraction Tester (For Brittle Point test)
  • Low Temperature Retraction Tester (For Brittle Point test)

Model : EKT-100TRB

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EKT-100TRB-Low Temperature Retraction Tester is designed in accordance with ASTM D1329, ISO 2921 with fully automatic and computerized controlling system. 

The system can automatically control the temperature and measure the samples retraction by using high precision measuring devices. 

The system can hold up to 6 test samples. The specimens’ elongation and immersion into the cooling bath are carried out automatically.  The data, such as time, temperature and retraction rate, is simultaneously displayed on the screen during the test.

Besides TR test, an extra function for brittle point detection in accordance with ASTM D2137 is available as an option.


1)     TR test

2)     Brittle Point test (option) 

For TR test 


1. Standard

ASTM D1329, ISO 2921

2. Test sample holder:

6 pieces 6

3. Temperature range:

–70 ~ 0

4. Cooling method:

Compressor or liquid nitrogen

5. Minimum displayed value for temperature:


6. Rising temperature rate :

Automatically controlled by computer 1/min.

7. Specimen maximum elongation:

200 mm

8. Even temperature distribution method均溫方式:

Stirring liquid methanol (or ethanol)

9. Bath material溫度槽材質:

SUS#304 stainless steel

10. Export curve/data輸出曲線/數據:

Retraction rate and temperature curves

Data: temperature value for TR10, 30, 50, 70, TR70 and difference between TR10 and TR70

11. Electricity requirements:

Single phase 220VAC±10%, 50/60±3Hz, 10 amp.

12. Machinery dimensions:



100(W) x 75(D) x 200(H) cm –Main machinery with liquid nitrogen cooling system

100(W) x 75(D) x 200(H) cm –Main machinery with compressor cooling system

60(W) x 75(D) x 180(H) cm Subsidiary machinery


For Brittle Point test 


1. Standard :

ASTM D2137

2. Temperature range :

–70 ~ 0

3. Minimum displayed value for temperature:


4. Hitting speed:

2.2+/–0.2 m/s (6.6+/–0.6ft/s)

5. Hitting head radius:

1.6 +/-0.1 mm

6. Specimen dimension:

32 × 6 × 2 mm

7. Specimen quantity:

5 pieces 5

8.Distance from the hitting point:

The center of the hitting head reaches the sample at 8.0+/–0.3 mm from the edge of the grip

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