Technically Specified Rubber
SVR 3L, SVR 10, SVR 20, TSR 10 & TSR 20 block rubber to ISO 2000 specifications.
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Singapore · Natural Rubber Trading
From Southeast Asia's plantations to the world's factories
Harmonytide is a Singapore-based rubber trading house, connecting trusted Vietnamese and regional producers with tyre and rubber-goods manufacturers worldwide — with transparent, EUDR-ready supply chains.
9 +
Rubber grades traded
15 +
Destination markets
50,000 MT
Tonnes handled / year
100 %
EUDR-ready supply chain
Who we are
A dependable bridge in the natural rubber supply chain
We source raw and processed rubber at origin and deliver it on-spec, on-time and on-compliance to manufacturers across Asia and beyond.
Working hand-in-hand with our anchor production partner in Vietnam and a network of estates across Southeast Asia, Harmonytide combines local sourcing strength with the financial and logistical reliability of a Singapore-incorporated trading company.
About Harmonytide
ISO 9001 Certified production partner
What we trade
A complete natural & synthetic rubber portfolio
Nine core grades across three families — matched to your compound, your specification and your destination market.
Synthetic & Compounding
SBR 1502 and rubber-grade carbon black for high-performance compounds.
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Specification you can build on
SVR 3L Standard Vietnamese Rubber 3L
Light-coloured, high-purity block rubber produced from fresh field latex. The benchmark grade for light and bright rubber products.
SVR 10 Standard Vietnamese Rubber 10
Versatile block rubber processed from cup lump and field coagulum, offering an excellent balance of performance and value.
SVR 20 Standard Vietnamese Rubber 20
Workhorse grade for the tyre industry, valued for consistent processing characteristics and competitive pricing.
TSR 10 Technically Specified Rubber 10
Internationally specified block rubber sourced across Southeast Asia, meeting ISO 2000 technical classifications.
TSR 20 Technically Specified Rubber 20
The world's most traded natural rubber grade — the foundation of modern tyre compounds.
RSS 1–3 Ribbed Smoked Sheet
Traditional air-dried, smoke-cured rubber sheet graded visually for purity, elasticity and consistency.
Sourcing & supply chain
Rooted at origin, trusted worldwide
Our supply begins in the field — with the smallholders and estates who tap, collect and process the latex that becomes world-class rubber.
- Anchor production partner in Vietnam ISO 9001-certified processing of SVR block rubber and RSS.
- Regional reach across Southeast Asia Complementary volumes of TSR, latex and synthetic grades.
- Full traceability Documented chain of custody from plantation to port.
Sustainability & compliance
EUDR-ready, deforestation-free rubber
Every shipment is backed by geolocation data and due-diligence documentation aligned with the EU Deforestation Regulation — so your sourcing stays compliant and your brand stays protected.
Trusted by 
Manufacturers who rely on our rubber
Let's talk about your rubber programme
Tell us your grade, volume and destination — we'll come back with an offer.