Anchor electricals pvt. Ltd. Offers anchor insulation tapes. These multi-core pvc insulated tapes conforming to is: 694-1990, is made with a highly flexible conductor and specially formulated fr [flame retardant] flexible pvc insulation and sheathing compound that impart superior flexibility. Its sizes are 0.5 - 4 mm, upto 5 core round, 6 - 35 mm upto 4 cores round, 1.5 - 25mm 3 core flat.