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PIR Rigid Foam

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PIR Rigid Foam

The construction and cold chain industry uses polyurethane systems and specialized catalysts as crucial materials in producing high-performance PIR rigid foam. Due to their diverse properties, such as superior thermal insulation, excellent flame retardancy, and high compressive strength, these materials are considered significant in this industry. As a professional manufacturer, Mingxu is committed to meeting the requirements of the rigid foam insulation sector. With our extensive knowledge and expertise, we are offering high-selectivity trimerization catalysts to enhance fire resistance while increasing production efficiency. This contributes to the energy efficiency and safety of modern building infrastructures.

Types of PIR Rigid Foam

You can find Graphite Electrodes in a variety of grades and types. Let us have a look at the common types that are currently available in the market:

PIR Continuous Sandwich Panels

Primarily used for industrial workshops and cold storage walls, requiring high-speed production line compatibility and excellent metal adhesion.

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Insulation Boards
PIR Insulation Boards

Designed for building facades and roofing, these boards focus on superior fire resistance ratings and long-term thermal resistance (R-value) retention.

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PIR Discontinuous Blocks
PIR Pipe Insulation

Specialized for petrochemical and cryogenic engineering, providing outstanding dimensional stability and compressive strength for pipe shells.

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Advancing Fire Safety through Optimal Trimerization
PIR Discontinuous Blocks

Used for custom cutting and specialized shapes, emphasizing uniform foam growth and low internal stress during the batch foaming process.

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Recommended Catalyst Material

Clear liquid MXFR-TCPP (CAS 13674-84-5), Tris(1-chloro-2-propyl) phosphate flame retardant for rigid polyurethane foams

MXFR-TCPP

MXFR-TCPP (CAS 13674-84-5) is a high-performance chlorinated phosphate ester flame retardant featuring exceptional thermal and hydrolysis stability, low viscosity, and superior compatibility for polyurethane foams,

Clear liquid MXC-B20 (CAS 7560-83-0), N-Methyldicyclohexylamine catalyst in a glass beaker for rigid polyurethane foams

MXC-B20

MXC-B20 (CAS 34364-26-6) is a high-performance, bismuth-based gelation catalyst that offers an eco-friendly alternative to organotin, providing a unique delayed viscosity build followed by an

Amber liquid MXC-T120 (CAS 1185-81-5) organotin catalyst in a beaker, known for excellent hydrolytic stability in polyurethane

MXC-T120

MXC-T120 (CAS 1185-81-5) is a high-purity organotin mercaptide catalyst that provides superior controlled reactivity and exceptional hydrolytic stability for microcellular shoe sole and rigid polyurethane

Clear liquid MXC-15 (CAS 3164-85-0), Potassium Octoate trimerization catalyst for PIR rigid polyurethane foams

MXC-15

MXC-15 (CAS 3164-85-0) is a high-performance trimerization catalyst that optimizes the isocyanurate reaction to enhance thermal stability and flame retardancy in PIR and rigid PU

Light yellow liquid MXC-C18 Zinc Octoate catalyst for polyurethane coatings and elastomers

MXC-C18

MXC-C18 (CAS 7560-83-0) is a tertiary amine co-catalyst used to improve surface curing (skin cure) and increase hardness in polyurethane foams.

Clear liquid MXC-C9 specialty catalyst in a glass reagent bottle for advanced polyurethane synthesis

MXC-C9

MXC-9 (CAS 33329-35-0) | (1,3-Propanediamine, N,N-bis[3-(dimethylamino)propyl]-N’,N’-dimethyl-) is a high-purity tertiary amine catalyst designed for polyurethane applications.

Clear liquid MXC-C12 specialty catalyst in a glass beaker for advanced polyurethane formulation

MXC-C12

MXC-C12 (CAS 116680-33-2) | (1-isobutyl-2-methylimidazole) is a specialized imidazole catalyst with the molecular formula C8H14N2. It is highly valued for providing excellent adhesion and surface

Clear light yellow liquid MXC-R40 specialty amine catalyst in a glass beaker for rigid polyurethane foam

MXC-R40

MXC-R40 (CAS 83016-70-0) is a low-odor, reactive amine catalyst designed to improve surface cure and enhance substrate adhesion in a variety of flexible and rigid

Advancing Fire Safety through Optimal Trimerization

In PIR rigid foam production, achieving the correct trimerization index is the key to superior fire resistance. Mingxu specialized trimerization catalysts are engineered to promote the formation of stable isocyanurate rings at precise temperatures. This chemical structure provides the foam with an inherent charring capability during fire exposure, significantly enhancing the flame retardancy and thermal stability of insulation panels to meet stringent global safety standards.

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Advancing Fire Safety through Optimal Trimerization

Maximizing Thermal Insulation with Fine Closed-Cell Structures

The thermal conductivity (Lambda value) of PIR foam depends heavily on the uniformity of its closed-cell structure. Our advanced catalysts ensure a balanced blowing and gelling reaction, preventing cell collapse and promoting high closed-cell content. By utilizing Mingxu high-performance catalysts, manufacturers can produce rigid foams with lower thermal conductivity and higher compressive strength, ensuring long-term energy efficiency for cold chain and building infrastructures.

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Enhancing Production Efficiency with Broad Processing Latitude

Production environments vary, but foam quality must remain consistent. Mingxu catalysts offer a broad processing latitude, ensuring stable reactivity across different ambient temperatures and humidity levels. Whether used in continuous sandwich panel lines or discontinuous block foaming, our catalysts optimize curing times and improve metal adhesion, allowing manufacturers t

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