IS 4572 BIS Certification for Fibre Ropes — Polyamide — 3-, 4-, 8- and 12- Strand Ropes

About IS 4572

Editions and amendments of IS 4572

No amendments to the current edition are listed by BIS.

Marking fee for IS 4572

BIS charges an annual minimum marking fee for the ISI mark under IS 4572, set by unit size, plus a per-unit rate once production passes the minimum:

Unit rate: ₹290 per mt. Source: BIS marking fee schedule for Scheme-I products, September 2026.

Sampling and key tests for IS 4572

From the BIS product manual for IS 4572, which BIS officers and applicants follow for certification:

Sample quantity:10m

Tests BIS can carry out in a day during factory inspection:

• Construction, Manufacture, Marking, Delivery Length (Cl 5.2)
• Linear density and Minimum breaking force can be carried out in a day provided the sample are conditioned

The full type test covers every clause of IS 4572; the list above is what can be checked on site.

ISI licences under IS 4572

BIS records 9 operative licences (10 including deferred, cancelled or under stop marking). Most licensed factories are in Maharashtra (4), Dadra & Nagar Haveli (1), Gujarat (1), Punjab (1), Rajasthan (1).

Testing against IS 4572

BIS inspects the factory and has samples tested to the full Indian Standard at a BIS or BIS-recognised laboratory. After grant, the factory keeps testing production under the Scheme of Inspection and Testing, and BIS draws factory and market samples.

The test report has to cover every clause of IS 4572 that applies to the product, in the edition current on the date of testing. When BIS revises IS 4572 or replaces it with a new edition, existing licence holders move to the new edition by the date BIS sets in its notification.

How to get an ISI mark licence under IS 4572

The licence is granted to the manufacturer for a specific factory and product. Indian factories apply under Scheme-I; overseas factories apply under the Foreign Manufacturers Certification Scheme (FMCS) and must nominate an Authorised Indian Representative.

1. Confirm the exact Indian Standard and the varieties to cover
2. Get the product tested at a BIS-recognised lab (simplified procedure) or arrange BIS sampling
3. Apply on Manak Online with factory, quality-control and test documents
4. BIS factory inspection and sample verification
5. Grant of licence, then marking with the ISI mark and CM/L number

Timeline. BIS targets 30 days under the simplified procedure (applying with a recent lab test report) and 90 days under the normal procedure. Overseas factories under FMCS typically take around 6 months.

Fees. Application fee ₹1,000 and annual licence fee ₹1,000, inspection charges of ₹7,000 per man-day, testing charges, and an annual minimum marking fee set for each Indian Standard (with concessions for micro and small units).

Mark. Certified products carry the ISI Standard Mark with the IS number and the CM/L-XXXXXXXXXX licence number.

Frequently asked questions

Other standards in Ropes and Cordages

• IS 1084 Textiles — Manila Ropes —
• IS 1804 Steel Wire Ropes – Fibre Main Cores
• IS 5175 Fibre Ropes — Polypropylene Split Film, Monofilament and Multifilament ( PP2 ) and Polypropylene High-Tenacity Multifilament ( PP3 ) —3-, 4-, 8- and 12- Strand Ropes
• IS 8674 Fibre Ropes — Polyethylene —3- and 4-Strand Ropes
• IS 11066 Fibre Ropes — Polyester — 3-, 4-, 8- and 12- Strand Ropes
• IS 14928 Textiles — Composite Synthetic Fibre Ropes —
• IS 14929 Mixed Polyolefin Fibre Ropes
• IS 17609 Fibre Ropes of Polyester / Polyolefin Dual Fibres

Source: BIS lists of products under compulsory certification (Scheme-I, Scheme-II), checked October 2026. See the full BIS product list or all Indian Standards.