DGTR Initiates Anti-Dumping Investigation on Halobutyl Rubber Imports from China, Singapore and USA on Sole Producer Reliance Sibur Elastomers Complaint

·         Halobutyl rubber is used in a wide variety of applications due to its excellent impermeability, chemical resistance, and durability, most notably in the inner liners of tires and pharmaceutical stoppers. Other common uses include hoses, seals, membranes, tank linings, and protective equipment.

Initiation of anti-dumping investigation concerning imports of Halo-Isobutene-Isoprene Rubber (HIIR) — also known as Halobutyl Rubber — from China PR, Singapore, and the USA.

1. Applicant

·         Reliance Sibur Elastomers Pvt. Ltd. — the sole Indian producer of the subject goods.

·         Claimed injury to the domestic industry due to alleged dumping of HIIR imports.

2. Product Under Consideration

·         Halo-Isobutene-Isoprene Rubber (HIIR), including:

o    Bromobutyl Rubber (BIIR)

o    Chlorobutyl Rubber (CIIR)

·         Used in tyres, tubes, seals, hoses, membranes, tank linings, conveyor belts, and sports goods.

·         Classified mainly under HS Code 4002 3900, also imported under 4002 1990, 4002 3100, 4002 4900.

3. Period of Investigation

·         POI: 1 July 2024 – 30 June 2025

·         Injury period: April 2021 – June 2024

4. Allegations of Dumping

·         China PR: Treated as a non-market economy; normal value constructed based on Indian cost of production and international raw material prices.

·         Singapore & USA: Normal value estimated using prior investigation data, adjusted for cost changes.

·         Dumping margins found significant for all subject countries.

5. Injury Claims

·         Applicant alleges:

o    Surge in dumped imports in both absolute and relative terms.

o    Price undercutting and depression in domestic prices.

o    Losses, underutilized capacity, and poor return on capital.

·         DGTR found prima facie evidence of material injury linked to dumped imports.

6. Initiation Decision

·         DGTR initiated investigation under Section 9A of the Customs Tariff Act, 1975 and Rule 5 of the Anti-Dumping Rules, 1995 to determine:

o    Existence and degree of dumping,

o    Injury to domestic industry, and

o    Appropriate level of anti-dumping duty.

7. Procedure & Participation

·         Interested parties (exporters, importers, governments, users) must submit information within 30 days from notification or transmission.

·         Communications via email to:

o    dd15-dgtr@gov.in

o    jd13-dgtr@gov.in

o    adv13-dgtr@gov.in

·         Confidential and non-confidential versions of submissions required as per Rules 6 and 7.

8. Non-Cooperation Clause

·         Parties failing to provide data or impeding the investigation may be treated as non-cooperative, and DGTR may base findings on facts available.

[DGTR Initiation Notification Case No. AD(OI) – 51/2025 dated 31.10.2025]