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Ultra-Pure Filtration Path: Constructed from 100% high-purity PTFE to ensure zero metal ion leaching and no silica contamination.
Enhanced O-Ring Sealing: Equipped with high-performance O-rings (FKM, FFKM, or PFA/FEP Encapsulated) to ensure a vacuum-tight and leak-proof seal.
Chemical Resistance: Fully inert to concentrated HF, HNO3, and aggressive organic solvents.
Precision Membrane Support: Engineered to provide uniform pressure across the filter membrane, preventing bypass and ensuring consistent results.
Fully Customizable Sizing: Precision-manufactured to accommodate any membrane diameter with bespoke connector options.
Brand :
NJbinglabItem No :
PTFE-LMZJ-47material :
PTFESpecification :
OD 47mmThe PTFE Filter Holder is a specialized assembly designed for the rigorous filtration of high-purity chemicals and aggressive solvents. To meet the demands of high-pressure or vacuum-driven filtration, this model incorporates a high-grade O-ring sealing system. Depending on your chemical environment, you can choose from FKM for standard acid resistance, FFKM (Perfluoroelastomer) for universal chemical immunity, or PFA/FEP Encapsulated O-rings which combine the elasticity of a rubber core with the total inertness of a fluoropolymer jacket. This ensures that even the most volatile or corrosive fluids are contained without leakage or atmospheric contamination.
FKM O-rings: Excellent for general laboratory use and standard mineral acid filtration.
FFKM O-rings: The premium choice for extreme temperatures and the most aggressive organic solvents or mixed acid matrices.
PFA/FEP Encapsulated O-rings: Provides the ultimate chemical shield of a fluoropolymer with the sealing "memory" of an elastomer core, preventing metal leaching from the seal itself.
We offer extensive design flexibility to integrate this holder into your professional workflow:
Custom Membrane Support: Features a perforated PTFE support plate designed to minimize flow resistance while supporting delicate membranes.
Variable Connector Types: Can be fitted with PFA hose barbs, NPT threads, or flare fittings to integrate directly into your existing fluid lines.
Multi-Stage Assemblies: Custom stacking designs for serial filtration (coarse to fine) in a single, closed-loop system.
PFA Tubing & Fittings: Precision-matched to create a seamless, high-purity fluidic path for the filtrate.
PTFE Flasks: Often used as the receiving vessel for filtered ultra-pure acids or solvents during bulk purification.
PFA Vials: Ideal for collecting small-volume filtered samples for immediate ICP-MS analysis.
Trace Metal Analysis: Removing particulates from concentrated mineral acids without introducing blank-level contamination.
Semiconductor Industry: Point-of-use filtration of photoresists, developers, and ultra-pure cleaning solutions.
Pharmaceutical Research: Clarification of aggressive reaction mixtures and sterile filtration of solvent-based active ingredients.
Environmental Monitoring: Filtering water and soil extracts for the analysis of dissolved heavy metals.
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