Julabo
Julabo Thermal C2 Heat Transfer Fluid | 2 cSt Low-Temp Silicone Bath Fluid −90 to +60 °C 64501
Julabo Thermal C2 Heat Transfer Fluid | 2 cSt Low-Temp Silicone Bath Fluid −90 to +60 °C 64501
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Julabo Thermal C2 Overview
Julabo Thermal C2 is a clear, 2 cSt silicone heat transfer fluid built for deep sub-ambient temperature control from −90 to +60 °C. The low viscosity keeps the fluid pumping freely at cryogenic-range temperatures where heavier oils thicken. Labs reach for C2 when a circulator must hold low setpoints with stable flow.
Silicone chemistry stays chemically inert against common metals and carries very low electrical conductivity. Operators should avoid silicone tubing, which silicone fluids degrade. Prolonged sub-ambient runs in humid air can draw atmospheric moisture into the bath, so monitor for condensation. Water and silicone fluids do not mix.
Specifications
| Product Type | Heat Transfer Fluid |
|---|---|
| Fluid Type | Silicone |
| Viscosity | 2 cSt |
| Color | Clear / Colorless |
| Working Temperature Range | −90 to +60 °C |
| Compatible Equipment | Open-bath refrigerated/heating circulators |
| Packaging | Poly Pail |
| Available Sizes | 5 L, 10 L |
| Brand | Julabo |
| Ships From | USA |
Available Sizes and Configurations
| SKU | Description | Pack |
|---|---|---|
| 64501 | Thermal C2 Silicone Fluid, 5 L | 5 L Poly Pail |
| 64501 | Thermal C2 Silicone Fluid, 10 L | 10 L Poly Pail |
Laboratory Applications
Thermal C2 suits low-temperature work in chemistry, materials, and pharmaceutical labs running refrigerated circulators toward −90 °C. The fluid supports crystallization, cold-trap conditioning, and low-temperature reaction control. Its low viscosity sustains circulation when colder fluids would otherwise resist pumping.
Pair C2 with a refrigerated or refrigerated/heating circulator rated for the same deep range. Keep the bath covered during extended cold runs to limit moisture pickup. Confirm the fluid matches your unit's specified range before filling.
Ordering & Bulk Pricing
Order Julabo Thermal C2 (SKU 64501) in 5 L or 10 L Poly Pail from LabSupplies.com, an authorized Julabo dealer shipping from USA inventory. Volume and tiered quantity discounts apply to multi-pail and facility orders.
Product Documentation
Frequently Asked Questions
How cold can Thermal C2 operate?
Thermal C2 is rated from −90 to +60 °C, and its 2 cSt viscosity keeps it flowing at deep sub-ambient temperatures.
Why choose a 2 cSt fluid for low-temperature work?
Low viscosity lets the fluid circulate freely when cold, where thicker oils would resist pumping. That keeps temperature control stable near the −90 °C floor.
Can Thermal C2 be used with silicone tubing?
No. Silicone fluids degrade silicone tubing, so use compatible tubing. Refer to the datasheet and SDS for material guidance.
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