
SINGAPORE, April 3 (Reuters) -
Japanese rubber futures fell to their lowest since March 11 on Thursday after U.S. President Donald Trump announced a sweeping set of tariffs, dampening the global demand outlook and escalating a trade war.
The Osaka Exchange (OSE) September rubber contract JRUc6, 0#2JRU: slid 3.92% to finish at 331.3 yen ($2.26) per kg, closing near a three-week low of 331.1 yen.
The May rubber contract on the Shanghai Futures Exchange (SHFE) SNRv1 slumped 3.18% to 16,295 yuan ($2,232.99) per metric ton.
Prices tumbled to a near 7-month low at 16,310 yuan earlier in the session, their lowest since September 6, 2024.
The most active May butadiene rubber contract on the SHFE SHBRv1 sank 4.04% to 13,170 yuan ($1,804.75) per ton.
"Tariff announcements saw rubber futures down across the board, showing that the market is factoring impact to demand," said Farah Miller, founder of independent rubber-focused data firm Helixtap Technologies.
Trump on Wednesday unveiled a 10% tariff on most goods imported to the U.S., worsening a trade war that threatens to drive up U.S. inflation and stall global economic growth.
Meanwhile, Trump's 25% auto tariffs, kicking in April 3, will cover hundreds of billions of dollars worth of imports of vehicles and auto parts imports annually.
Automobile sales could influence the intensity of automobile manufacturing, which involves using rubber-made tyres.
In response to fresh tariffs, equities in Beijing and Tokyo fell to multi-month lows, with China vowing countermeasures on Thursday.
In the coming week, prices will remain volatile as market participants look for new support and resistance levels, added Miller.
The front-month rubber contract on Singapore Exchange's SICOM platform for May delivery STFc1 last traded at 185.2 U.S. cents per kg, down 4.1%.
China's financial markets will be closed on Friday for a public holiday. Trading will resume on Monday, April 7.
($1 = 146.8500 yen)
($1 = 7.2974 Chinese yuan)