We Tonk and Associates (P) Ltd have ISO 9001-2015 certification from Indian Register Quality System. In addition, the company is LCSO certified by Director General Quality Assurance (Govt. of India, Ministry of Defence). Our product meet or exceed several national and international standards such as MIL and JSS.

Further Information

  • 100% Physical and Electrical testing.
  • A minimum of 3 layers of PTFE Tape, wrapped and sintered, provides balanced bi-axially oriented, concentrically placed insulation.
  • Minimum shrinkage / deformation and no ’run-away’ problem at soldering-iron temperatures.
  • Certified minimum BREAK DOWN VOLTAGE to ensure higher, uniform and predictable performance.
  • Controlled tighter tolerance on weight, PTFE density and conductor resistance.
  • Test voltages for the three common working voltages are:


Type working voltage       Dielectric Test Voltage           Spark test. Voltage

AC RMS                                for 1 Minute                            for 1 second         

ET 250                                      1500                                                2500

E   600                                       2000                                                3400

EE 1000                                    3000                                                5000