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Foam Blowing Agents

Our ultra-low Global Warming Potential (GWP) foam blowing agents are used in spray foam insulation for commercial and residential buildings, insulated metal panels, appliance insulation, and many other applications worldwide.

Honeywell has invested more than one billion dollars in its Solstice® technology, having anticipated the need for lower-global-warming-potential (LGWP) solutions more than a decade ago. Solstice® liquid and gas blowing agents for foam insulation applications are based on hydrofluoro-olefin (HFO) technology, and with a global warming potential (GWP) of 1, 99.9% lower than hydrofluorocarbons (HFC) blowing agents. Solstice® blowing agents are helping customers realize their energy efficiency goals, with a 10% improvement in insulation performance vs hydrocarbons. Solstice® blowing agents are non-ozone-depleting, nonflammable (ASTM E-681 and EU A11), listed under the U.S. EPA’s Significant New Alternatives Policy (SNAP) program to replace ozone-depleting substances, listed on the TSCA inventory/registered under REACH, and is VOC-exempt (per U.S. EPA).

Featured Applications

Spray Polyurethane Foam

Our blowing agents are key to closed-cell spray polyurethane foam (ccSPF) that insulates, air seals, manages moisture, and increases structural strength in commercial and residential buildings. Our blowing agents offer environmental and performance benefits. Compared to HCFC- or HFC-blown foam, our Solstice® Liquid Blowing Agent (LBA) improves foam performance (yield, adhesion, water and air resistance, nonflammability). It also is better for the environment with an ultra-low GWP of 1.

Solstice® Liquid Blowing Agent

  • Applicable for new systems, offers an optimal balance of properties, including better energy performance and stronger eco-efficiency

Enovate® 245fa 

  • Proven replacement for HCFC-141b and other hydrofluorocarbon and nonfluorocarbon blowing agents in rigid polyurethane foam.
Case Study
Read how a derelict structure transforms into a high quality apartments and commercial space
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Video
Discover examples of spray foam roofing case studies spanning geographies and building types.
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XPS (Extruded Polystyrene)

Solstice® GBA increases insulation value in XPS planks, allowing for thinner boards that still meet performance requirements. Solstice® GBA is ideal for XPS insulation used in residential and commercial construction. It replaces HFC-134a and other fluorocarbon and non-fluorocarbon foam blowing agents. Using our ultra-low GWP blowing agent increases the insulation value of XPS foam. This can translate into thinner panels required to achieve the desired performance, or higher thermal insulation value of panels with the same thickness.

Solstice® Gas Blowing Agent

  • Ideal for extruded polystyrene (XPS) and one- and two-component PUR foams. It replaces HFC-134a and other blowing agents with a GWP < 1.
Case Study
Solstice® GBA - Low Global Warming GBA to Improve Thermal Conductivity in XPS Production. Read about XPS boards which are used commonly in various insulation applications.
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Sell Sheet
High performance, LGWP blowing agent for extruded polystyrene (XPS) insulation and more
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Panels/Boardstock

Our blowing agents are used in insulation panels and polyiso boardstock for refrigerated trailers, walk-in freezers, and architectural panels, cold storage, emergency shelters, modular school classrooms, and general structural insulation. Insulated metal panels (IMPs) are typically formed with polyurethane (PUR) or polyisocyanurate (PIR) foam sandwiched between two metal sheets to make composite roof, wall, and partition panels. Our blowing agents improve foam performance in IMPs and polyiso boards.

Enovate® 245fa

  • Offers proven insulating performance and excellent materials compatibility.
Case Study
Read about Boxcold's business strategy including Solstice® LBA
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Video
Bally Chooses Solstice® LBA for Insulated Cold Room Panels
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Appliance Insulation

We provide non-ozone-depleting, nonflammable liquid blowing agents that help residential and commercial appliance OEMs meet increasing energy-efficiency and performance requirements. 

Solstice® Liquid Blowing Agent

  • Applicable for new systems, offers an optimal balance of properties, including better energy performance and stronger eco-efficiency

Enovate® 245fa

  • Standard in HFC technology for polyurethane foam applications worldwide.
Case Study
Read about commercial refrigeration equipment and water heater OEM achieving significant gains in thermal performance.
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Sell Sheet
Honeywell Solstice® LBA: A Promising Eco-Friendly Replacement for Foam Insulation Blowing Agents
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LNG Ship Insulation

The right choice of foam blowing agent can minimize BOR during transit, and Enovate® 245fa is a critical component in insulation performance. Many LNG ship builders currently use foam insulation formulated with HCFC-141b. Enovate® 245fa, significantly improves insulation performance compared to HCFC-141b, HFC-365mfc or water-blown foam

Enovate® 245fa

  • Spray foam insulation is non-flammable with zero ozone depletion potential.

In The News

Press Release
Honeywell and Navin Fluorine, part of the Padmanabh Mafatlal Group, hosted an opening ceremony at a plant in Dahej, Gujarat, which has begun manufacturing Honeywell’s Solstice® zd in India.
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Press Release
Honeywell Expands Baton Rouge Facility To Drive Growth Of Low Global Warming Technologies
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