Views: 0 Author: Site Editor Publish Time: 2026-04-13 Origin: Site
The core of cold chain transportation lies in maintaining precise temperature and humidity ranges to ensure product integrity. For disposable gloves used in cold chain logistics, the environmental parameters must align with the specific requirements of transported goods.
Vaccines and biological samples typically require storage at 2°C–8°C, with humidity controlled between 30%–60% RH. Gloves exposed to these conditions must resist condensation while maintaining flexibility. For example, gloves used in blood sample transportation (-20°C to -30°C) need cryogenic-resistant materials that prevent brittleness during handling.
Fresh produce like fruits and vegetables demand 0°C–4°C with 85%–90% RH to prevent dehydration. Gloves in this segment must balance waterproofing and breathability. Dairy products (0°C–7°C) and frozen foods (-18°C to -22°C) require gloves with anti-slip textures to ensure safe handling on icy surfaces.
All cold chain gloves should resist moisture absorption. Prolonged exposure to high humidity (e.g., 85% RH in seafood processing) can degrade synthetic materials, leading to reduced tensile strength. Gloves with TPU (Thermoplastic Polyurethane) inner layers are recommended for their moisture-wicking properties.
The performance of disposable gloves in cold environments depends on material composition and structural engineering.
Advanced gloves adopt a three-layer design:
Outer Layer: Abrasion-resistant polyethylene or polyvinyl chloride (PVC) for durability.
Middle Layer: Aerogel or vacuum insulation panels for thermal retention.
Inner Layer: Fleece or microfiber lining for comfort and sweat absorption.
This configuration is critical for deep-frozen applications (-30°C to -50°C), where single-layer gloves fail to prevent frostbite during prolonged exposure.
Hydrophobic Coatings: Essential for gloves used in wet cold environments (e.g., fish processing plants). These coatings repel water while maintaining grip.
Anti-Static Treatments: Mandatory for electronics cold chain (5°C–15°C) to prevent electrostatic discharge (ESD) damage.
Food-Grade Coatings: Gloves handling ready-to-eat products must comply with FDA/EU food contact regulations, avoiding chemical leaching at low temperatures.
Extended Cuffs: Prevent cold air ingress when paired with insulated jackets.
Textured Fingertips: Improve dexterity for handling small items like medication vials at 2°C–8°C.
Touchscreen Compatibility: Allows operators to use digital devices without removing gloves, reducing exposure time in freezers (-18°C).
Cold chain gloves must meet stringent regulatory and operational standards to ensure safety and efficacy.
EN 388: Gloves used in cold storage facilities must achieve cut resistance level 3 or higher if handling sharp-edged frozen packages.
EN 511: Specifies performance criteria for gloves exposed to cold environments, including thermal insulation (measured in CLO values) and water penetration resistance.
ASTM D6319: For nitrile gloves used in medical cold chain, this standard ensures chemical resistance to disinfectants commonly used in temperature-controlled warehouses.
Pre-Use Inspection: Gloves must be checked for cracks or delamination before each shift, especially after exposure to rapid temperature changes (e.g., moving from -20°C freezer to 25°C loading dock).
Rotation Policy: Implement FIFO (First-In-First-Out) to prevent material degradation from prolonged storage. Gloves stored at 30°C lose 15% of their tensile strength annually.
Contamination Control: In COVID-19-sensitive environments, gloves must be single-use and disposed of in biohazard containers after handling imported cold chain goods.
Glove Failure Protocol: Operators should carry spare pairs when working in ultra-low temperatures (-60°C to -80°C). Exposed skin must be covered immediately to prevent frostbite.
Decontamination Procedures: Gloves contaminated with blood or bodily fluids (e.g., during vaccine transportation) must be autoclaved at 121°C before disposal, requiring materials that withstand thermal shock.
By integrating these requirements, cold chain operators can ensure disposable gloves maintain functionality across diverse low-temperature scenarios, from pharmaceutical distribution to Arctic research logistics.
