Authorized distributor in Vietnam: LUBRIZOL Fluid Engineering · LUBCON · FUCHS · CASSIDA · YAMAUCHI
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LUBRIZOL · PARATHERM

PARATHERM HT

Synthetic heat transfer fluid based on partially hydrogenated terphenyl for closed-loop liquid-phase heating systems, bulk fluid up to 357 °C and film up to 375 °C; according to PARATHERM documentation, it shares the same chemistry with, and is compatible with, the terphenyl fluids commonly used in thermal oil heaters, so it is an option for systems currently running this type of fluid.

Data per the manufacturer's TDS
PARATHERM HT

Illustration of the manufacturer's product family; actual packaging and label depend on the batch.

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Send the oil you use; a Hop Tien engineer checks the base oil, seals and flushing procedure and replies within 24 working hours.

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Technical data

Chemistry (per manufacturer)Partially hydrogenated terphenyl
Operating temperature range11 to 357 °C (direct-fired heaters up to 343 °C)
Maximum film temperature375 °C
Viscosity at 40 °C31.4 mm²/s
Viscosity at 100 °C4.5 mm²/s
Viscosity at 343 °C0.45 mm²/s
Density at 15.5 °C1,012 kg/m³
Closed-cup flash point (ASTM D93)> 157 °C
Average boiling point (101 kPa)354 °C

Typical values per the manufacturer's TDS; not acceptance specifications. Full data in the TDS.

Applications

  • High-temperature closed-loop liquid-phase heating systems
  • Gas processing, chemicals, plastics, biodiesel, biomass, waste oil recovery

Benefits

  • Thermal stability up to 357 °C bulk fluid / 375 °C film per the manufacturer's documentation
  • Low vapor pressure, so the closed-loop system operates at low pressure
  • Periodic oil analysis through Hop Tien to monitor degradation and plan fluid changes

Per the manufacturer's technical literature; actual results depend on each machine's operating conditions.

Pack sizes

208 L drum

Price, ordering and genuine supply

Quotation within 24 working hours. Send the pack size, quantity and machine; an engineer confirms the product for your operating temperature and system type before quoting. Request a quote →
Genuine products. Hop Tien is the authorized distributor of Lubrizol Fluid Engineering in Vietnam; goods are imported officially with CO/CQ and a CoA per batch. How to verify genuine products →
Delivery. Warehouse at Song Than Industrial Park (Ho Chi Minh City), delivery nationwide; SDS with every delivery.

Technical documents

📄 TDS – manufacturer's technical data sheet (English, sent automatically by email)
📄 SDS – safety data sheet: sent within 24 working hours on request · with every delivery
📄 CoA per batch (with your order)
⚡ TDS sent automatically by email · other documents within 24 working hours · Your details are used only to send documents and provide technical support

Frequently asked questions about PARATHERM HT

How much does PARATHERM HT cost?

Price depends on pack size (208 L drum) and quantity; Hop Tien quotes within 24 working hours with delivery terms (warehouse at Song Than Industrial Park, nationwide delivery). Include the machine and the heater type, operating temperature and the fluid currently used so an engineer can confirm the right product.

Where can I buy genuine PARATHERM HT in Vietnam?

Hop Tien is the authorized distributor of Lubrizol Fluid Engineering (PARATHERM brand) in Vietnam: goods are imported officially with a certificate of origin (CO), certificate of quality (CQ), CoA per batch and the Vietnamese supplementary label required by law. How to check origin is explained on the Genuine products page.

Where do I get the TDS and SDS for PARATHERM HT?

Fill in the "Get documents by email" form on this page: the manufacturer's TDS (English) is sent automatically. The SDS, CO, CQ and the batch CoA are sent by an engineer within 24 working hours; the SDS also accompanies every delivery.

Can I trial PARATHERM HT before switching the whole plant?

Yes, but not as a one-machine trial: a heat transfer system is one closed loop. Hop Tien samples and analyzes the fluid in use, then proposes a top-up or partial replacement with before-and-after data so the plant decides on data.

Industries: Textiles, Wood & furniture, Oil & gas, marine, Rubber & tires, Other industries

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