Product Catalogue/Brochure

Environmental Stress-Cracking Tester
Nicking Jig
Constant Bath and detail

ASTM D1693-01

The environmental stress cracking chamber is used to determine of the susceptibility of ethylene plastics, as defined in terminology D883, to environmental stress-cracking when subjected to the conditions specified in ASTM D1693-01,under certain conditions of stress and in the presence of environments such as soaps, wetting agents, oils, or detergents, ethylene plastics may exhibit mechanical failure by cracking.

Bent specimens of the plastic, each having a controlled imperfection on one surface, are exposed to the action of a surface-active agent. The proportion of the total number of specimens that crack in a given time is observed.


  • Specimen and specimen holder
  • Blanking die - specimen must be cut with square edges by this tool
  • Nicking jig
  • Test tubes - hard glass tubes nominally 200mm long with an outside diameter of 32mm
  • Aluminum foil - approximately 0.08 to 0.13mm thick for wrapping
  • Constant-temperature bath - a constant-temperature liquid bath maintained at 50± 0.5°C, for conditions A and B of table1 and 100.0± 0.5°C for condition C of table 1
  • Test tube rack- to hold test tubes immersed to reagent level
  • Bending clamp
  • Transfer tool
  • Single phase

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