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8 Position Shear Test Oven
Get unmatched results when performing heat-fail temperature shear testing of hot melt and pressure sensitive adhesives with the ChemInstruments 8 Position Shear Test Oven. This forced-ventilation shear test oven includes a ramping controller that complies with the SAFT test method ASTM D4498. The variability of SAFT tests depends on the mass in the oven, specific heat factors, wattage of the heating system, fan speed, program and operator technique.


  • 3 pattern, 30 step programmable controller, capable of performing SAFT ramped temperature testing
  • Controller is capable of maintaining up to 10 different programs
  • Maximum oven operating temperature of 500°F (260°C)
  • Temperature control accuracy of oven ± 0.5°F at 410°F (1°C at 210°C)
  • Temperature distribution accuracy of oven ± 1.5°F at 500°F (2.8°C at 260°C)
  • Oven is capable of achieving a temperature rise of 2°F (1°C) per minute (dependant on thermal mass)
  • The switch unit of the 8 Bank Shear fills approximately 50% of the interior volume in the oven
  • Timer controls are mounted and wired permanently into the face of the oven
  • Easy-to-read, 0.5" (1 cm) LCD timer display is set to time in increments of 1/10 of a minute
  • Battery powered timer controls, 10-year battery life expectancy, no AC power necessary
  • Two connection points on the oven are wired for either internal or external use of the switch unit
  • Stainless steel interior construction of the oven
  • Forced-air circulation type oven (convection)
  • Vent hole in oven for accessory access
  • Oven includes 2 stainless steel shelves with 12 possible positions
  • Viewing window in the door
  • Easy-open oven door latch minimizes disruption of testing
  • Over-temperature protection and other safety features designed into oven electronics
  • Standard oven input voltage of 220 VAC (50 Hz)
  • Shears are designed to be used with weights from 100gr to 1000gr
  • Any weight which is larger than the 1000gr requires the S-EXT(Shear Extension) accessory
  • The largest weight that can be safely used with the shear stand is 3000gr
  • Contact us to inquire about the usage of larger than 3000gr weights


  • Mounting stand
  • Mounting cart
  • Double-stack kit


Input voltage - 220 VAC (50 Hz)


Oven Exterior  

  • Height:             34" (87 cm)            
  • Width:              28" (71 cm)            
  • Depth:              25" (65 cm)            
  • Weight:            143 lbs (65 Kg)            


Oven Interior

  • Height:            19" (48 cm)
  • Width:              23" (58 cm)
  • Depth:             19" (48 cm)


Some of the more popular test methods that this device is capable of performing.

  • ASTM: D 4498