Views: 33 Author: Site Editor Publish Time: 2026-05-18 Origin: Site
Cold storage facilities operate under extreme temperature differentials, often ranging from ambient conditions to -20°C or lower. These conditions create continuous stress on joints, panels, and sealing interfaces due to thermal contraction, moisture ingress, and condensation cycles.
To maintain airtightness and thermal efficiency, sealing materials must provide stable adhesion, flexibility, and resistance to low-temperature brittleness. In modern cold storage construction, systems typically combine Neutral Silicone Sealant, MS Sealant, and Foam Rubber to address both sealing and insulation requirements. For procurement teams working with a qualified supplier or manufacturer, understanding how these materials perform under low-temperature conditions is essential for long-term operational reliability.
Cold storage environments impose stricter requirements compared to standard building applications. Sealing materials must maintain performance across both mechanical and environmental stress factors.
Sealants must remain elastic without cracking at sub-zero temperatures. Materials classified under ASTM C920 Class 25–50 are typically suitable for handling joint movement in cold environments.
Condensation and vapor diffusion can lead to insulation degradation. Sealants must provide continuous barriers to prevent moisture penetration.
Cold storage structures often use sandwich panels with metal skins and foam cores. Sealants such as Neutral Silicone Sealant and MS Sealant provide stable adhesion to these composite substrates.
Foam Rubber is commonly used as a sealing gasket to enhance airtightness and thermal insulation at panel joints and door interfaces.
The following table provides a comparison of commonly used sealing materials to support procurement decisions:
Product Type | Movement Capability (ASTM C920 Class) | Modulus | Applicable Substrates | By-product / VOC | Typical Certifications |
Neutral Silicone Sealant | Class 25–50 | Low–Medium | Metal panels, glass, aluminum | Neutral cure / low VOC | ASTM C920, EN 15651 |
MS Sealant | Class 25 | Low | Metal, concrete, insulated panels | Low VOC | ISO 11600, EC1 PLUS |
Foam Rubber | N/A | Low | Panel joints, door seals | No VOC | REACH compliant |
Silicone Structural Sealant | Class 25–50 | High | Structural joints, metal frames | Low VOC | ASTM C1184, ETAG 002 |
Water-based Sealant | Class 12.5–25 | Low | Interior auxiliary sealing | Low VOC | LEED v4 |
This comparison helps factory procurement teams select materials based on flexibility, substrate compatibility, and environmental performance.
Joints between prefabricated insulated panels used in cold storage walls and ceilings.
Neutral Silicone Sealant for flexible joint sealing
Foam Rubber as a compression gasket for airtightness
Movement capability aligned with ASTM C920, ensuring seal integrity under thermal expansion and contraction
Adhesion durability validated by ASTM C719, which measures performance under cyclic joint movement
Low-temperature flexibility to prevent cracking or adhesion loss
This combination ensures both mechanical sealing and thermal insulation continuity across panel joints.
Cold storage doors, pipe penetrations, and equipment interfaces where air leakage risk is high.
MS Sealant for adhesion to mixed substrates
Water-based Sealant for interior auxiliary sealing
Compliance with ISO 11600, which defines sealant performance by modulus and application suitability
Low VOC emissions aligned with LEED v4, supporting indoor air quality requirements
Resistance to condensation and moisture exposure
These materials provide flexibility and adhesion across different materials, including metal frames and insulated panels.
When sourcing materials from different vendors or distributors, the following standards provide reliable evaluation criteria:
ASTM C920: Classifies sealants based on movement capability and application type, ensuring suitability for dynamic joints
ISO 11600: Defines sealant categories by modulus, helping match material flexibility to joint requirements
EN 15651: European standard covering sealants used in building applications, including façade and interior sealing
ASTM C719: Tests sealant performance under repeated expansion and contraction cycles
LEED v4: Evaluates VOC emissions to ensure materials meet environmental and indoor air quality requirements
These standards allow procurement teams to compare products from different manufacturers using measurable performance indicators.
Combining sealants with gasket materials such as Foam Rubber reduces air leakage, improving thermal efficiency and reducing energy consumption.
Materials such as Neutral Silicone Sealant maintain elasticity across wide temperature ranges, preventing joint failure.
Cold storage construction involves multiple substrates, including metal, insulation panels, and concrete. Sealants like MS Sealant provide reliable adhesion across these materials.
Low-VOC materials support regulatory compliance and improve working conditions during installation.
Selecting a reliable supplier, factory, or OEM partner requires a structured evaluation process:
Verify compliance with ASTM, ISO, and regional standards
Request test reports for low-temperature flexibility and adhesion
Confirm that the manufacturer can support large-scale cold storage projects
Evaluate batch consistency and delivery timelines
Determine whether the vendor offers custom formulations for extreme climates
Assess flexibility in curing performance for low-temperature installation
Ensure batch-level performance testing
Review third-party certification reports
Confirm traceability of raw materials
These criteria help reduce long-term maintenance risks and ensure consistent performance.
Cold storage projects require sealing systems that can withstand extreme temperature variations, moisture exposure, and structural movement. Materials such as Neutral Silicone Sealant, MS Sealant, and Foam Rubber provide a balanced combination of flexibility, adhesion, and insulation performance when used as part of an integrated system.
By aligning product selection with standards such as ASTM C920 and ISO 11600,procurement teams can ensure that sealing materials meet both technical and environmental requirements.
For technical specifications, OEM customization, or project consultation, you can contact a qualified manufacturer or supplier:
Website: https://www.baolongsealant.com
Email: Igllgl0420@qq.com
