IS 17335 : 2020 — Determination of apparent viscosity of bituminous binders at elevated temperature by rotational viscometer

What is IS 17335 : 2020?

IS 17335 : 2020 is an Indian Standard published by the Bureau of Indian Standards (BIS) under the title Determination of apparent viscosity of bituminous binders at elevated temperature by rotational viscometer. It falls under the <strong>Coal and Petroleum products</strong> group and is administered by the Ministry of Road Transport and Highways. Certification under this standard is voluntary.

How to get certified for IS 17335 : 2020

1. 1
   Apply online — Submit the BIS portal application with product details, factory information, and test reports.
2. 2
   Lab testing — Submit product samples to a BIS-recognised testing laboratory for evaluation against the standard.
3. 3
   Factory inspection — A BIS officer visits your manufacturing facility to verify quality control systems.
4. 4
   Licence grant — On approval, BIS issues the licence. You may then affix the ISI Mark on compliant products.

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