Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Vulsob GR-g/F120 Desiccant

Vulsob GR-g/F120 Desiccant is a high-performance silica gel-based moisture absorber from Vulsob’s GR-g series, engineered for reliable humidity control in pharmaceutical packaging and sensitive electronics. Featuring fast-acting F120-grade granular formulation, it offers superior water vapor adsorption capacity, low dust generation, and FDA-compliant safety. Ideal for sealed environments requiring long-term dryness stability and regulatory adherence.
  • vulsob gr g f120 desiccant_9b8ec510
  • vulsob gr g f120 desiccant_9b8ec510

Features Of Vulsob GR-g/F120 Desiccant

  1. High-capacity moisture adsorption with rapid kinetics for efficient dew point control.

  2. Thermally stable up to 250 °C, maintaining structural integrity during regeneration cycles.

  3. Low dust generation and excellent mechanical strength—minimizes bed attrition in fixed-bed dryers.

  4. Non-toxic, non-corrosive formulation compliant with ISO 8501-1 and REACH requirements.

  5. Regenerable via hot dry air or nitrogen purge—enabling extended service life and reduced operational cost.

Typical Applications Of Vulsob GR-g/F120 Desiccant

  1. Polymer processing: drying PET, PBT, PC, and engineering thermoplastics prior to extrusion or injection molding.

  2. Pharmaceutical manufacturing: protecting hygroscopic APIs and excipients during granulation and tablet compression.

  3. Electronics encapsulation: safeguarding moisture-sensitive epoxy resins and silicone gels used in LED and semiconductor packaging.

  4. Industrial gas purification: deep drying of compressed air, nitrogen, and process gases for instrumentation and pneumatic systems.

  5. Automotive coatings: ensuring low-humidity conditions for solvent-based and waterborne paint application lines.

Specifications Of Vulsob GR-g/F120 Desiccant

Chemical TypeActivated alumina (γ-Al₂O₃) with proprietary surface modification
Product FormSpherical beads
AppearanceWhite to off-white free-flowing granules
Primary ApplicationsDeep drying of liquids and gases in continuous and batch processes
Key FeaturesHigh surface area (>300 m²/g), uniform pore distribution, low equilibrium moisture content (<0.01% w/w at 25°C, 40% RH)
BenefitsExtended cycle life, minimal pressure drop, compatibility with stainless steel and carbon steel equipment
Storage ConditionsStore in sealed containers at ambient temperature; protect from ambient humidity
Regeneration Temperature Range180–220 °C (hot dry air or inert gas)


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