About Us
TANKE specializes in the production and distribution of high-quality activatedactivated carbon and desiccants……
Electronics Industry Desiccant
Desiccants in the electronics industry are broadly categorized in two ways: by the primary core desiccant material they are constructed with, and/or by their physical form/application method. The three main categories of desiccants include Silica Gel (high moisture capacity and high stability desiccant usually used for circuit boards and IC chips or packaged devices), Clay/Montmorillonite (low cost packaging solution for critical level packaging environments), and Composite (combination of desiccant materials for enhanced performance even if situations get moist or for sensitive SMT components). Forms include loose bulk desiccant (for bulk, large containers), desiccant bags (wire bai are par for the course for all electronics packaging), desiccant cards (flat products like displays), and desiccant canisters (sealed enclosure).
There are also some other unique classifications for very specific functionalities within these forms. Humidity Indicator Cards (HIC) visually indicate some sort of moisture present within the packaging, and activated carbon (also a desiccant) but are a unique case where it addresses both moisture present inside the packaging as well as Volatile Organic Compound (VOC) contamination. All desiccant units are also categorized by weight (grams of water absorbed) and the particular relative humidity (RH) level (this is particularly important to prevent moisture condensation in large cargo units inspection process, electrical component testing prior to their shipment). All of this organization allows buyers and engineers to specifically choose a provided desiccant based on the construction material compatibility, the total method for and constraints of the packaging, and the control of humidity level based on the types of packaging level needed for sensitive electronics (at time of packing).
Industry Challenges
Material Compatibility & Purity
- Ensuring desiccants prevent contamination (e.g., chloride-induced corrosion from CaCl₂/MgCl₂, or dust from clay/mineral options like montmorillonite/diatomite) and meet stringent electronics cleanroom requirements.
Precision Humidity Control
- Meeting the ultra-low humidity thresholds demanded by miniaturized components and processes (e.g., preventing "popcorning" in SMT reels), requiring highly effective desiccants (e.g., silica gel, specialized composites) beyond basic clay/minerals.
Operational & Environmental Resilience
- Maintaining performance stability across the electronics supply chain's variable humidity/temperature conditions during global transit/storage, preventing premature saturation.
Physical Integration & Form Factor
- Designing desiccant solutions (e.g., slim fiber-based units, custom shapes) that fit within constrained packaging spaces without sacrificing capacity or introducing handling issues like dust.
Why Choose Our Desiccants
Engineered to prevent ionic contamination
And maintain material compatibility, especially critical for sensitive semiconductors and circuitry.
Precisely calibrated for demanding electronics environments
Meeting stringent moisture control requirements for applications like SMT reel protection.
Optimized physical formats minimize dust generation
And enable seamless integration, even in tightly packed devices like displays or optical components.
Delivers consistent, reliable performance across complex global supply chains
Maintaining protection through varying transit and storage conditions.
Offers tailored solutions
Using our diverse range (silica gel, CaCl₂, MgCl₂, montmorillonite, diatomite, fiber) for specific electronics challenges.
Usage
Integrated Circuits (ICs) & Semiconductor Wafers
Usage Overview
Silica gel desiccants are predominantly used in hermetically sealed moisture barrier bags to protect bare dies and wafers during storage and transit.
Key Advantages
- High Purity Protection: Prevents ionic contamination critical for semiconductor integrity
- Chemically Inert: Will not react with sensitive metallization layers
- Low Dust Emission: Maintains cleanroom standards during handling
- Precise Humidity Control: Maintains ultra-low RH levels to prevent oxidation
Printed Circuit Board Assemblies (PCBAs)
Usage Overview
Montmorillonite clay desiccants are embedded in SMT reel packaging to protect exposed copper traces before soldering, while fiber-based desiccants shield assembled boards during shipping.
Key Advantages
- Vibration Resistance: Clay desiccants remain intact during reel transport
- Conformability: Fiber desiccants contour around components without stress
- Dust-Free: Fiber variants eliminate particulate contamination risk
- Rapid Moisture Lock: Prevents "popcorning" during reflow soldering
Consumer Electronics (Smartphones/Laptops)
Usage Overview
Silica gel packets and diatomite desiccants are placed inside product boxes to prevent condensation during global shipping, while calcium chloride units protect devices in tropical warehouses.
Key Advantages
- Non-Toxic Safety: Silica gel poses no risk if accidentally contacted
- High Capacity Absorption: Calcium chloride handles humidity spikes in containers
- Space-Efficient: Diatomite variants fit behind batteries and screens
- Corrosion Prevention: Protects connectors and metal components
Display Panels (LCD/OLED)
Usage Overview
Magnesium chloride composite cards are laminated between panel layers to absorb outgassing moisture during manufacturing, while fiber desiccants line protective films.
Key Advantages
- Anti-Outgassing: Magnesium chloride combats moisture release from adhesives
- Delamination Prevention: Maintains bonding integrity of optical layers
- Ultra-Thin Profile: Fiber desiccants integrate invisibly into displays
- Mura Defect Reduction: Prevents humidity-induced image distortion
Optical Components (Lenses/Sensors)
Usage Overview
Magnesium chloride or silica gel canisters are sealed within optical device housings (e.g., cameras, LiDAR) to maintain dry internal environments during operation and storage.
Key Advantages
- Fog Prevention: Eliminates internal lens condensation
- VOC Adsorption: Composites reduce haze-causing volatiles
- Corrosion Resistance: Protects delicate mirror coatings
- Long-Term Stability: Performs consistently across temperature cycles
FAQ
Packaging & Transportation Desiccant
Silica gel desiccants are necessary to protect products in transit and storage. Silica gel desiccants are packaged in breathable sachets or canisters, and manage humidity in shipping containers, cartons, and crates. Silica gel absorbs moisture in the ambient air, and prevents condensation, mold, metal corrosion, and damage to moisture sensitive materials. Silica gel is perfect for electronics, machinery, art, and paper products, to ensure items arrive in the right condition no matter what climate change may have occurred during the logistics of global transport.
Electronics Industry
Silica gel is well known for its moisture control properties in electronic manufacturing and storage. Proper protection of sensitive components is critical, especially in packaging of items such as circuit boards, semiconductors, or optical devices. By using silica gel in sealed packages, or sealed cabinets, electronics are kept in low-humidity environments. This reduces the risks of unforeseen damage to components from oxidation, electrical shorts, and performance failures of any kind. The properties of silica gel, non-corrosive, dust-free, and safe for direct contact with delicates parts, ensures safe shipping and handling from factoryels in an unopened condition.
Pharmaceutical Industry
Silica gel provides vital moisture prevention in medicine bottles, diagnostic kits and as a component of medical device packaging. Silica gel satisfies FDA and pharmacopeia requirements and protects tablets, capsules, and laboratory reagents from both moisture-driven degradation and elevated moisture levels. Importantly, silica gel acts to stabilize humidity levels in sealed environments extending shelf-life, sterility, and therapeutic effectiveness or viability. Silica gel packets not only work well to smooth out humidity changes, but they are also transparent which allows a visual inspection. Furthermore, cobalt-free silica gel packets pose no toxicity issues in deliberately sensitive applications.
Food Industry
Silica gel provides vital moisture prevention in medicine bottles, diagnostic kits and as a component of medical device packaging. Silica gel satisfies FDA and pharmacopeia requirements and protects tablets, capsules, and laboratory reagents from both moisture-driven degradation and elevated moisture levels. Importantly, silica gel acts to stabilize humidity levels in sealed environments extending shelf-life, sterility, and therapeutic effectiveness or viability. Silica gel packets not only work well to smooth out humidity changes, but they are also transparent which allows a visual inspection. Furthermore, cobalt-free silica gel packets pose no toxicity issues in deliberately sensitive applications.
