Transformer Oil to IS 335, with Batch Certificate
We supply new mineral insulating oil for transformers, listed by Balmer Lawrie against IS 335. Tell us the edition of IS 335 your specification names, the pack and the quantity, and we quote it with the batch certificate.

How we supply
- Quote on working days, usually the same day, with delivered price and lead time
- GST tax invoice on every order
- Dispatch: stock items within 2 working days; other grades to order, lead time stated on the quote
- Data sheet: the manufacturer’s sheet goes out with the quote
Supplying industrial plants since 2016 · GSTIN 36AAFCV6218F1ZB · Udyam UDYAM-TS-02-0002151 · D-U-N-S 860399487
What we supply
We are an authorised distributor for Balmer Lawrie. Balmer Lawrie list one transformer oil, against IS 335, the Indian standard for new mineral insulating oil. It is a plain line item in their range, not a branded grade.
The test values for each batch are on its certificate of analysis: viscosity, flash point, pour point, breakdown voltage, water content, acidity and dielectric dissipation factor. Ask for the certificate with your order.
Request a quote
Send the quantity, the pack and the IS 335 edition your specification names.
Quoting for: Transformer oil, IS 335
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Before you order
- Name the IS 335 edition. The standard has been revised, and the oxidation-stability and corrosive-sulphur limits differ between editions. Ask for the certificate by edition.
- Inhibited oil to IEC 60296. Balmer Lawrie's listed oil is to IS 335. If your specification calls for an inhibited oil to IEC 60296, tell us, and we say whether a brand we are authorised for lists one.
- Oil already in service. IS 1866 sets the maintenance limits for oil in a transformer. That is a testing question, not a supply question.
Documents and supply
The maker's data sheet goes with the quotation, and the maker's batch certificate with supply where one is issued. We quote on working days, usually the same day. Stocked items are dispatched within 2 working days from Secunderabad; other grades are supplied to order, with the lead time stated on the quotation. Transit is 48โ72 hours in South India and 5โ7 days elsewhere. Payment is in advance against a proforma invoice, and GeM orders follow GeM terms. Every order carries a GST tax invoice. Prices are on request: send the product, pack size and quantity and we quote.
More detail is on our Balmer Lawrie transformer oil page. For surge protection on the same substation, see CITEL surge protection.
Frequently Asked Questions
Does the transformer oil meet IS 335?
Balmer Lawrie list it against IS 335. The values for each batch are on its certificate of analysis. Ask for it, and name the edition your specification calls for.
Do you supply an inhibited transformer oil to IEC 60296?
Not from Balmer Lawrie's range. Tell us the specification and we say whether one of the brands we are authorised for lists an oil to IEC 60296.
What documents come with the oil?
The maker's data sheet with the quotation and the batch certificate of analysis with supply, plus a GST tax invoice.
Do you supply through GeM?
Yes. We are GeM-registered, and we also supply against direct orders on advance payment.
How do I get a price?
Prices are on request. Send the product, pack size and quantity and we quote on working days, usually the same day.
Ask for a transformer oil quotation
Send the quantity, the pack and the IS 335 edition you need. We quote on working days, usually the same day.
Request a quote