What are the storage conditions for Coaxial Cable Assemblies - Micro Coaxial Cable factory-(FRS)

Coaxial cable assemblies are critical components in various industries, including telecommunications, aerospace, automotive, and medical equipment. Their performance and lifespan are significantly influenced by storage conditions. Improper storage can lead to signal degradation, physical damage, or even complete failure, resulting in costly replacements and project delays. To ensure coaxial cable assemblies maintain their optimal functionality, adhering to specific storage guidelines is essential.

1. Temperature Control

Temperature is one of the most vital factors affecting coaxial cable assemblies during storage. Extreme temperatures can cause irreversible damage to the cable’s insulation, shielding, and connectors. Generally, the recommended storage temperature range is between -20°C (-4°F) and 50°C (122°F). Prolonged exposure to temperatures above 50°C can accelerate the aging of dielectric materials, leading to reduced insulation resistance and signal loss. Conversely, temperatures below -20°C may make the outer jacket brittle, increasing the risk of cracking when bent or handled. It is crucial to store the assemblies in a climate-controlled environment, avoiding direct exposure to heat sources such as radiators, heaters, or sunlight. Additionally, sudden temperature fluctuations should be minimized, as they can cause condensation inside the packaging, which further contributes to damage.

2. Humidity Management

Excessive humidity is another major threat to coaxial cable assemblies. High moisture levels can lead to corrosion of metallic components, including the inner conductor and shielding, which impairs electrical performance. The ideal relative humidity (RH) for storage should be maintained between 30% and 60%. When RH exceeds 60%, condensation is likely to form on the cable surfaces and inside connectors, promoting rust and oxidation. To control humidity, storage areas should be equipped with dehumidifiers if necessary. Furthermore, coaxial cable assemblies should be stored in sealed, moisture-resistant packaging, such as vacuum-sealed bags with desiccants, to absorb any residual moisture. Avoid storing the cables in damp locations like basements or areas prone to water leaks.

3. Protection from Light

Ultraviolet (UV) light and intense visible light can degrade the outer jacket and insulation materials of coaxial cable assemblies over time. The outer jacket, often made of PVC, PE, or Teflon, may become discolored, brittle, or cracked when exposed to prolonged sunlight or artificial UV sources. This not only affects the cable’s physical durability but also compromises its ability to protect internal components from environmental factors. Therefore, storage areas should be dark or have low-light conditions. If storage in a lit area is unavoidable, use opaque packaging or cover the assemblies with light-blocking materials to shield them from direct light exposure.

4. Physical Handling and Placement

Proper physical handling and placement during storage prevent mechanical damage to coaxial cable assemblies. Avoid stacking heavy objects on top of the cables, as this can crush the outer jacket, deform the inner conductor, or damage connectors. The assemblies should be stored in a horizontal position on flat, stable shelves, rather than hanging vertically for extended periods, which can cause stretching or stress on the cable. When coiling the cables for storage, ensure the coil diameter is not too small—typically, the coil diameter should be at least 10 times the cable’s outer diameter. This prevents kinking, which can disrupt the cable’s impedance and signal transmission. Additionally, keep the assemblies away from sharp objects, tools, or machinery that could scratch or cut the jacket.

5. Packaging Integrity

Maintaining the integrity of the original packaging is crucial for protecting coaxial cable assemblies during storage. The original packaging is designed to shield the cables from dust, moisture, and physical damage. Do not remove the assemblies from their packaging until they are ready for use. If the original packaging is damaged, repackage the cables in suitable alternatives, such as anti-static bags (for cables used in electrostatic-sensitive environments) or rigid containers with foam padding to secure the connectors. Label the packaging clearly with information such as the cable type, part number, and storage date to facilitate inventory management and ensure FIFO (First-In-First-Out) usage, which helps prevent the use of aged or degraded cables.

6. Clean and Dust-Free Environment

Dust, dirt, and debris can accumulate on coaxial cable connectors and inside the cable, affecting signal quality and causing connection issues. Storage areas should be kept clean and free from airborne particles. Regularly vacuum or sweep the storage space to minimize dust buildup. Avoid storing the cables near areas with high levels of dust, such as construction zones or manufacturing processes that generate particulate matter. If the connectors become contaminated, clean them with a lint-free cloth and appropriate cleaning solutions (as recommended by the cable manufacturer) before use, but prevention through clean storage is always preferable.

7. Avoidance of Chemical Exposure

Coaxial cable assemblies should be stored away from chemicals, solvents, oils, and fuels. These substances can deteriorate the outer jacket, insulation, and connector materials. For example, oil or grease can swell the jacket, while solvents may dissolve or weaken the dielectric. Ensure the storage area is separate from chemical storage facilities, and post clear signs prohibiting the presence of harmful chemicals near the cable storage zone. In case of accidental chemical spillage, immediately move the affected cables to a safe area and inspect them for damage before use.

8. Regular Inspection

Even under optimal storage conditions, regular inspection of coaxial cable assemblies is necessary to identify any potential issues early. Inspect the packaging for signs of damage, moisture, or pest infestation. Check the cables for physical damage such as cracks, cuts, or kinks in the jacket, and examine the connectors for corrosion, bent pins, or contamination. If any damage is detected, isolate the affected assemblies and consult the manufacturer for guidance on whether they can be repaired or should be discarded. Establish a routine inspection schedule, such as monthly or quarterly checks, depending on the storage duration and environmental conditions.

When it comes to reliable coaxial cable assemblies, proper storage is just one part of ensuring top performance—and FRS brand factory understands this well. FRS is dedicated to producing high-quality coaxial cable assemblies that meet strict industry standards, and we extend this commitment to guiding customers on optimal storage practices. Our assemblies are packaged with moisture-resistant materials and desiccants to protect them during transit and initial storage, and our team is always available to provide personalized storage advice based on your specific application needs. Choose FRS for coaxial cable assemblies that deliver consistent performance, backed by expertise in both production and preservation. Trust FRS to keep your critical connections strong, from the factory to your project.