SM-CS-205

Epoxy Low-sag

SM-CS-205

Epoxy High-Toughness Cryogenic Adhesive

Product Description:


A high-performance epoxy cryogenic structural adhesive specifically developed for the “precision assembly and low-stress bonding of heterogeneous materials” in deep-cryogenic environments. With its high structural strength (≥20 MPa) and a unique low-shrinkage formulation, it effectively controls interfacial shrinkage stress under extreme conditions ranging from -269℃ to +60℃, making it an ideal solution for the highly reliable structural bonding of precision cryogenic vessels, pipelines, and components made of dissimilar materials.

Key Features:


Low-Shrinkage and Internal Stress Release System: Engineered with a specialized low-shrinkage formulation, it exhibits lower curing shrinkage and reduced internal stress in cryogenic environments compared to standard adhesives, significantly mitigating the risk of interfacial delamination for dissimilar materials during extreme temperature transitions.

Robust Dual-Temperature Structural Integrity: Maintains a stable tensile shear strength exceeding 20 MPa under both room temperature and extreme cryogenic conditions of -196℃.

Superior Operational Processability: Features a high mixed viscosity of 20,000 mPa·s to effectively inhibit sagging, combined with an exceptionally long pot life of over 6 hours.

Typical Properties


PropertyValue
Main ResinEpoxy
Cured AppearanceWhite Yellow
Viscosity @ 25°C (mPa·s)20,000
Curing Time(25°C,h)6
Track-free Time12
Operation Temperature-269~60℃
Tensile Strenth : 25℃ / -196℃20.0 MPa / 20.0 MPa
Hardness75 Shore D

SM-CS-204

Epoxy High-Toughness

SM-CS-204

Epoxy High-Toughness Cryogenic Adhesive

Product Description:


A high-performance, high-toughness cryogenic structural adhesive specifically developed for scenarios involving severe thermal cycling shocks and the cryogenic bonding of heterogeneous materials. Operating stably within a broad temperature range of -269℃ to +60℃, it exhibits exceptionally stable and superior cryogenic physical properties. It perfectly adapts to the large-area structural assembly of materials with different expansion coefficients, such as composites, metals, and foams, and is widely used for the long-term reliable bonding and sealing of cryogenic containers, pipelines, and various components.

Key Features:


 Exceptional Resistance to Thermal Cycling Shocks: The formulation is specifically suited for severe temperature alternating conditions from -269℃ to room temperature. It effectively absorbs and cushions physical stresses caused by sudden hot and cold changes, ensuring the long-term stability of structural connections under rigorous cycling shocks.

Stable Dual-Temperature Cryogenic Strength: It maintains a robust tensile shear strength of over 18 MPa at both room temperature and an extreme deep-freeze environment of -196℃, providing high-strength mechanical assurance for the splicing and assembly of structures with differences in expansion coefficients.

Excellent Peel Resistance and Processability: Features outstanding peel resistance for heterogeneous materials, while offering a lower initial viscosity of 1500 mPa·s and an extended pot life exceeding 2 hours.

Typical Properties


PropertyValue
Main ResinEpoxy
Cured AppearanceBrown Transparent
Viscosity @ 25°C (mPa·s)2,000
Curing Time(25°C,h)2
Track-free Time20
Operation Temperature-269~60℃
Tensile Strenth : 25℃ / -196℃20.0 MPa / 20.0 MPa
Hardness60 Shore D

SM-CS-203

Epoxy Extended-Pot-Life

SM-CS-203

Epoxy Extended-Pot-Life Cryogenic Adhesive

Product Description:


A high-performance cryogenic structural adhesive specifically developed to solve the pain point of “delamination and peel failures caused by mismatched thermal expansion coefficients between dissimilar materials under ultra-low temperatures.” Featuring an exceptional elongation at break of 175% and an extended pot life of over 2 hours, it demonstrates outstanding flexibility and peel resistance across a wide temperature range of -269℃ to +60℃. It is the ideal choice for large-area cryogenic bonding and sealing of heterogeneous materials such as composites, metals, and foams.

Key Features:


 Peel Resistance for Dissimilar Materials: Features an ultra-high elongation at break of 175% and a low modulus of 9.5 MPa.

Stable Dual-Temperature Cryogenic Strength: Maintains a robust tensile shear strength of over 18 MPa at both room temperature and extreme deep-freeze conditions of -196℃, ensuring joint integrity during severe thermal cycling.

Extended Window for Complex Operations: Offers a long pot life exceeding 2 hours. Combined with a moderate viscosity of 2000 mPa·s, it easily accommodates the large-area application and prolonged, precise assembly of massive cryogenic components and complex pipelines

Typical Properties


PropertyValue
Main ResinEpoxy
Cured AppearanceBrown Transparent
Viscosity @ 25°C (mPa·s)2,200
Curing Time(25°C,h)2
Track-free Time (h)18
Operation Temperature-196~70℃
Tensile Strenth : 25℃ / -196℃20.0 MPa / 20.0 MPa
Hardness65 Shore D

SM-CS-202

Epoxy Wide-Temperature-Range

SM-CS-202

Epoxy Wide-Temperature-Range Cryogenic Adhesive

Product Description:


A wide-temperature-range, heat-resistant cryogenic structural adhesive specifically developed to withstande extreme thermal cycling. Through a specially modified heat-resistant epoxy formulation, this product not only operates stably at ultra-low temperatures of -269℃ but also retains over 50% of its room-temperature mechanical strength at 100℃, while sustaining excellent physical stability at 150℃ for an extended period. It is an ideal solution designed for complex components and cross-temperature structural bonding scenarios that must endure the dual challenges of extreme cold and high heat.

Key Features:


Ultra-Wide Temperature Range: Operating seamlessly from -269℃ to +150℃, maintaining exceptional structural stability under severe thermal shock and temperature cycling.

High-Temperature Strength Retention: Specifically reinforced for high-temperature load-bearing requirements, its tensile shear strength remains at 8 MPa under a 100℃ high-temperature condition (retaining over 50% of its room-temperature structural strength), effectively ensuring the physical connection safety of components in hot environments.

Deep-Freeze Anti-Embrittlement Capability: While significantly raising the upper limit of heat resistance, it delivers a high shear strength of 20 MPa at an extreme -196℃, effectively resisting the risk of resin embrittlement and fracture in extreme cold environments.

Typical Properties


PropertyValue
Main ResinEpoxy
Cured AppearanceLight Yellow
Viscosity @ 25°C (mPa·s)1,800
Curing Time(25°C,h)18
Track-free Time (h)4
Operation Temperature-196~120℃
Tensile Strenth : 25℃ / -196℃20.0 MPa / 20.0 MPa
Hardness70 Shore D

SM-CS-101

High-Strength Elastic

SM-CS-101

Polyurethane High-Strength Elastic Cryogenic Adhesive

Product Description:


A classic two-component polyurethane cryogenic structural adhesive specifically designed for bonding cryogenic pipelines and insulation layers. It provides excellent structural bonding capabilities and sealing properties across a broad temperature range of -269℃ to 40℃. Characterized by its fast-curing polyurethane system and high strength, it is widely applied in the encapsulation and bonding of ultra-low temperature storage equipment for LNG, liquid oxygen, and liquid nitrogen, as well as rectification columns and Dewar flasks.

Key Features:


Fast-Curing Polyurethane System: Utilizes a classic polyurethane formulation known for rapid curing and high operational efficiency. It cures effectively at room temperature.

Exceptional Cryogenic Shear Strength: Mechanically optimized for ultra-low temperatures. It offers reliable structural strength at room temperature, while its shear strength surges to an impressive 25 MPa at an extreme -196℃, ensuring structural stability during severe thermal cycling.

High-Toughness Elastomeric Protection: The product can also function as an elastic material, with the cured adhesive exhibiting a Shore A hardness of 80-90. This high toughness effectively absorbs destructive stresses caused by thermal expansion and contraction in cryogenic piping systems, providing durable, tear-resistant insulation encapsulation.

Typical Properties


PropertyValue
Main ResinPolyurethane
Cured AppearanceTranslucent Viscous
Viscosity @ 25°C (mPa·s)5000
Curing Time(25°C,h)0.5
Track-free Time (h)6
Operation Temperature-196~40℃
Tensile Strenth : 25℃ / -196℃8.0 MPa / 25.0 MPa
Hardness80 Shore A

SM-CS-201

High-Strength Epoxy

SM-CS-201

Epoxy Cryogenic Structural Adhesive

Product Description:


A classic modified epoxy cryogenic structural adhesive specifically developed to solve the engineering pain points of “traditional adhesives becoming brittle under extreme ultra-low temperatures, failing to directly contact cryogenic media, and limited application versatility.” By optimizing the epoxy cross-linked network, the product delivers outstanding physical stability and a high dual-temperature shear strength parameter exceeding 20 MPa within a broad temperature range of -269°C to +60°C, perfectly overcoming the challenge of brittle failure in extreme deep-freeze environments. Offering wide applicability and excellent media compatibility, it can directly contact ultra-low temperature media such as liquid hydrogen and liquid helium, making it widely suitable for high-demand scenarios including cryogenic sealing, structural bonding, and potting encapsulation.

Key Features:


Superior Anti-Brittle Strength: Maintains a shear strength of over 20 MPa at both room temperature and an extreme -196℃, thoroughly solving the brittle failure problem of traditional epoxies in deep-freeze conditions.

Direct Contact with Cryogenic Media: Features excellent chemical stability, allowing direct and safe exposure to extreme cold media like liquid oxygen, hydrogen, helium, and LNG to provide a reliable, long-term sealing barrier.

Versatile Wide-Temperature Application: Operates stably from -269℃ to +60℃. Its moderate viscosity (2000 mPa·s) makes it highly processable, seamlessly handling high-strength bonding, high-pressure vessel sealing, and the precise potting of complex components.

Typical Properties


PropertyValue
Main ResinEpoxy
Cured AppearanceBrown Transparent
Viscosity @ 25°C (mPa·s)2,600
Curing Time(25°C,h)6
Track-free Time12
Operation Temperature-269~60℃
Tensile Strenth : 25℃ / -196℃20.0 MPa / 20.0 MPa
Hardness60 Shore D