Dynalene offers a wide selection of heat transfer fluids for quench and open bath cooling and heating applications in temperature range from 550°F (288°C) to below -60°F (-51°C). Each Dynalene product listed below is engineered for consistently safe, odor-less operation even in the most difficult thermal transfer processes, when used in properly designed systems. Please feel free to contact Dynalene for more information on open bath and quench heating and cooling application heat transfer fluids. Substantial discounts are available in 55 gallon and bulk containers. All open bath applications should be approved by Dynalene's engineering department prior to use.
| Fluid Type | Temperature Range for Open Bath Applications |
Description |
| Dynalene HC-50 | -60°F to 230°F -51°C to 110°C |
Water based, non-toxic, non-flammable |
| Dynalene HF-LO | -60°F to 135°F -51°C to 57°C |
Aliphatic Hydrocarbon |
| Dynalene LO-170 | -40°F to 165°F -40°C to 74°C |
Aliphatic Hydrocarbon |
| Dynalene LO-230 | 32°F to 230°F 0°C to 110°C |
Aliphatic Hydrocarbon |
| Dynalene SF | 68°F to 300°F 20°C to 149°C |
Synthetic aromatic based |
| Dynalene HT | 68°F to 350°F 20°C to 177°C |
Synthetic aromatic based |
| Dynalene 600 | 158°F to 550°F 70°C to 288°C |
Silicone oil |
| Dynalene MS-1 | 465°F to 1200°F 240°C to 565°C |
Molten Salt |
| Dynalene MS-2 | 270°F to 1020°F 130°C to 500°C |
Molten Salt |
Dynalene "LO" Series
Dynalene "LO" series heat transfer fluids for open bath applications are specifically engineered to offer food grade toxicity ratings and non-noxious odor characteristics without jeopardizing thermal efficiency. Dynalene "LO" series fluids including the products, Dynalene HF-LO, Dynalene LO-170 and Dynalene LO-230, consistently provide high-level environmental and workplace friendly performance to maintain the high safety and efficiency expectations of the customer.
Dynalene HF-LO heat transfer fluids
Recommended Temperature Range: -52°C to 58°C (-60°F to 135°F) Vapor Pressure: Negligible @ 0°C (32°F); <0.02 psia @ 20°C (68°F) Boiling Point: >191°C (>376°F) Flash Point: >61°C (>141°F)
Dynalene LO-170 heat transfer fluids
Recommended Temperature Range: -40°C to 74°C (-40°F to 165°F) Vapor Pressure: Negligible @ 0°C (32°F); <0.02 psia @ 50°C (122°F) Boiling Point: >223°C (>433°F) Flash Point: >77°C (>170°F)
Dynalene LO-230 heat transfer fluids
Recommended Temperature Range: 0°C to 110°C (32°F to 230°F) Vapor Pressure: Negligible @ 0°C (32°F); <0.02 psia @ 100°C (212°F) Boiling Point: >273°C (>523°F) Flash Point: >110°C (>230°F)
Dynalene SF
Recommended Temperature Range: Room Temp. to 150°C (Room Temp. to 300°F)
Dynalene SF heat transfer fluid for open bath applications is a low toxic, low odor composition that demonstrates excellent thermal efficiency when operating at continual higher temperatures, without the high price of competitive alternatives. Vapor Pressure: Negligible @ 100°C (212°F); <0.1 psia @ 150°C (300°F)
Boiling Point: >330°C (>627°F)
Flash Point: >180°C (>355°F)
Dynalene HT
Dynalene HT heat transfer fluid for open bath applications meet all of the desired thermo-physical and environmental qualities for high temperature processes. Non-corrosivity and high stability combine to make Dynalene HT fluid the ideal candidate for long-term efficient operation.
Recommended Temperature Range: Room Temp. to 177°C (Room Temp. to 350°F)
Vapor Pressure: Negligible @ 100°C (212°F); 0.02 psia @ 180°C (356°F)
Boiling Point: >385°C (>725°F)
Flash Point: >200°C (>392°F)
Dynalene 600
Dynalene 600 heat transfer fluid for open bath applications provide the superior endurance against waxing and polymerization when high operating temperatures are required. Dynalene 600, a silicone-derived fluid, is designed to safely maintain the highest flash point and lowest vapor pressure with minimal oxidation.
Recommended Temperature Range: 70°C to 288°C (158°F to 550°F)
Vapor Pressure: <0.02 psia @ 150°C (300°F); ~0.05 psia @ 204°C (400°F)
Boiling Point: >315°C (>600°F)
Flash Point: 315°C (600°F)
Recommended temperature ranges differ for closed systems
** Dynalene open bath fluids are available in 1, 5 , and 55 gallon containers or bulk transport. Typical properties and safety data on this document are not to be construed as specifications.

