Madhya Pradesh Madhya Kshetra Vidyut Vitaran Company Limited Tender

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Silica gel Silica gel required for power & distribution transformer shall be conforming to ISS 3401/1992 with its latest amendments. The material shall be solid with grainy porous structure free from extraneous impurities. The indicating type gel should be odorless. Non-toxic & non corrosive with stable chemical and thermal characteristics. The inter connected pores from a vast surface area; Silica gel should absorb moisture 40% or more of its weight at 100% humidity. Bulk density: The bulk density of the material shall be more than 0.6gm./ml. Particle Size & Colour: The material shall be blue in Colour and its size should be from 9 to 12mm. Loss on drying: The material when tested according to the method prescribed in ISS shall not lose more than 5% of its mass. Absorption capacity: The material when tested according to the method prescribed in ISS 3401-1992 shall absorb minimum 27% of moisture on the basis of its mass. PH Value: The PH of aqueous extract of the material when determined by the method prescribed in ISS 3401-1992 Shall not be more then 8 and not less then 3.5. Loss on attrition: When subjected to the test according to the method prescribed in aforesaid ISS not more than 2.5% of the material shall pass through the sieve. Chemical Requirement: The gel shall also comply with the requirement prescribed in the ISS 3401-1992

11 KV Do Fuse Elements 10 Amp. (Make:- GEW/Sealko/Ajanta/Veer or equivalent)