H.D.T. Heat Deflection Tester

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Product Serial : QC-654
H.D.T. Heat Deflection Tester
Confirm to ASTM D648, ISO 75-1 Standard

QC-654 Test specimen placed on the Charpy of structure and main function is test of center position 0.445MPA or 1.82MPA of bending stress. The test environment temperature increase 2℃/min. To measure specimen center of deformation in 0.25mm temperature value as deformation temperature.


This test is suitable for the material at 27℃ which still as hard material. The specimen length 127mm, the deviation between is 0.13mm. The thickness 13mm and width 3mm to 13mm.


Industry : Plastic

Model QC-654
Temperature Room  temperature~ 300℃
Temperature Control Temperature rise speed 2℃/min
Weight sets Basic weight support load is 3N. Each test fixture will enclose as below quantity:
Deformation 0.01 ~ 10 mm
Span 100 mm(max.) adjustable 50mm
Radius of support Camber R angle 3.0 mm
Specimen size

ASTM standard L=5”(127 mm),d=1/2 ”(12.7 mm),b=1/4”( 6.35 mm)
ISO edge wise testing standard L=120mm,d=10mm,b=4mm
ISO flat wise  testing standard L=80mm
※Specimen size difference should be limited within 0.1mm

Test quantity Mechanical gauge 0.01~10mm
Electronic gauge 0.001~10mm
PLC control 0.001~10mm
Set:1、2、3、6 set

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