Field-latex TSR with the tightest dirt limits for light-color tire and specialty compounds.
SIR 3L is produced from field latex and cup-lump streams milled to the lightest color band in the Indonesian TSR family. Dirt content is at or below 0.03%, ash at or below 0.50%, and PRI is at or above 60. Tire makers and specialty compounders specify SIR 3L when color, cleanliness, and oxidative stability matter more than SIR 10 unit economics.
SIR 3L mills prioritize latex and fresh coagulum inputs rather than aged cup lump alone. That feedstock choice keeps bale color light and dirt low. Production is scheduled with three to four week lead times because partner mills allocate latex streams to export lots rather than spot stock.
SIR 10 and SIR 20 are coagulum grades with wider dirt bands. SIR 5 tightens dirt to 0.05% but still runs on cup-lump feedstock. SIR 3L holds dirt at or below 0.03% with PRI at or above 60 and lower Mooney near 50, suited to light-color tread and thin-gauge lines.
Passenger tire plants running light sidewall or premium tread campaigns, specialty industrial goods, and compounders who write SIR 3L or equivalent light TSR into the raw-material specification. Quarterly contracts help secure latex allocation during peak tapping seasons.
Light-color TSR specs, lead time, and ordering.
Dirt at or below 0.03% (w/w) with ash at or below 0.50% and PRI at or above 60 on the export COA. These are the tightest coagulum limits in our TSR catalogue and justify scheduling lead time over SIR 20 volume grade.
Latex and fresh coagulum streams are allocated to confirmed export lots rather than pulled from open stock. Book quarterly volumes when your compound calendar needs predictable light-color TSR arrivals.
19.6 MT in one 20 ft FCL, 560 bales of 35 kg on shrink-wrapped pallets. Same handling format as SIR 10 and SIR 20 so plants can trial without new warehouse equipment.
Choose SIR 3L when the specification names light-color field-latex TSR with dirt at or below 0.03% and PRI at or above 60. Choose SIR 10 when coagulum TSR at 0.10% dirt is sufficient and unit cost matters more than color.
Share volume, incoterms, and whether you need TSR, RSS, or latex. We reply with availability, COA parameters, and an indicative quote within one business day.
