Binzhenghong PFA High-Purity Sampling Bottles for Electronic-Grade Applications
| Brand | Binzhenghong |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | OEM/ODM Producer |
| Origin Category | Domestic (China) |
| Capacity Options | 30–2000 mL |
| Neck Size | GL32, GL45 |
| Material | Perfluoroalkoxy (PFA) Resin |
| Transparency | Optically Clear |
| Compliance | Low Extractables, Ultra-Low Background Contamination |
| Surface Finish | Electropolished Inner Wall (Standard) |
Overview
Binzhenghong PFA High-Purity Sampling Bottles are precision-engineered containers designed exclusively for ultra-trace analytical workflows in semiconductor manufacturing, high-purity chemical handling, and advanced materials R&D. Constructed from virgin perfluoroalkoxy (PFA) resin—certified to ASTM D4894 and IEC 60455-2 specifications—these bottles deliver exceptional chemical inertness, thermal stability (−200 °C to +260 °C), and negligible leachable ion content (<0.1 ppq for Na⁺, K⁺, Cl⁻, SO₄²⁻ per ASTM F2170). Unlike standard HDPE or glass alternatives, PFA exhibits zero detectable metal ion migration under USP extractable testing protocols and maintains structural integrity in aggressive media including concentrated HF, aqua regia, and hot piranha solutions. The bottles are manufactured in ISO Class 5 (Class 100) cleanroom environments, with double-bagged, nitrogen-purged packaging to preserve particulate cleanliness (≤1 particle/mL ≥0.5 µm per ISO 14644-1 Class 5). Their seamless, molded construction eliminates weld lines and crevices—critical for minimizing particle entrapment and biofilm nucleation in ultrapure water (UPW) distribution systems.
Key Features
- Material purity certified per SEMI F57-0301 for electronic-grade applications, with full traceability to resin lot and molding batch
- Optically transparent walls enabling visual inspection without compromising UV stability (no yellowing after 1000 h exposure to 254 nm UV)
- GL32 and GL45 thread specifications conforming to DIN 12451 and ISO 8362-1, ensuring compatibility with standard laboratory closures and automated sampling manifolds
- Internal surface roughness Ra ≤0.2 µm (measured per ISO 4287), reducing adsorption of trace organics and metalloids
- Autoclavable at 121 °C for 30 min (steam sterilization) without dimensional drift or haze formation
- Available with optional fluoropolymer-coated caps featuring PTFE-faced septa for hermetic sealing and low-volatility retention
Sample Compatibility & Compliance
These bottles are validated for use with high-purity solvents (e.g., UPW, HPLC-grade acetonitrile, electronic-grade isopropanol), etchants (BOE, SC1/SC2), and photoresist developers. They meet the stringent extractables profile required by SEMI C12 (Particle and Ionic Contamination Test Method) and pass ASTM E2925-19 for total organic carbon (TOC) leachables (30 elements (including Al, Fe, Ni, Cr, Cu, Zn, Na, K, Ca, Mg) and GC-MS screening for volatile organic compounds (VOCs). All units comply with ISO 9001:2015 manufacturing controls and support GLP/GMP audit readiness through documented process validation records.
Software & Data Management
While inherently hardware-based, each bottle shipment includes a digital Product Traceability File (PTF) accessible via QR code scan. The PTF contains batch-specific CoA data, cleanroom environmental logs (temperature/humidity/particulate counts during molding and packaging), and raw material certification (resin grade, melt flow index, and fluorine content per ASTM D4895). Integration with LIMS platforms is supported via CSV export of CoA metadata. No proprietary software installation is required; all documentation adheres to FDA 21 CFR Part 11-compliant electronic record standards, including time-stamped digital signatures and immutable audit trails.
Applications
- Sampling and storage of ultrapure water (UPW) in fab tool point-of-use (POU) monitoring
- Calibration standard containment for ICP-MS, ICP-OES, and TXRF instrumentation
- Transport and preservation of wafer rinse samples for defectivity analysis (SEMI F32)
- Long-term storage of high-value photoresist formulations and developer concentrates
- Reference material vials in metrology labs accredited to ISO/IEC 17025
- In-line process fluid sampling in wet benches and chemical delivery systems
FAQ
Are these bottles suitable for HF-based etchant storage?
Yes—PFA exhibits the highest resistance among fluoropolymers to hydrofluoric acid across concentrations up to 49% and temperatures up to 80 °C.
Do you provide lot-specific elemental analysis reports?
Yes—each CoA includes full ICP-MS quantification for 32 elements at sub-ppt detection limits, verified by an ISO/IEC 17025-accredited third-party lab.
Can the bottles be reused after cleaning?
They are designed for single-use in critical applications; however, controlled re-use is possible following validated cleaning per SEMI F21-0301 (Rinse, ultrasonicate in UPW, bake at 120 °C, and particle verification).
Is there a difference between “PFA” and “Teflon™ PFA”?
“Teflon™” is a registered trademark of Chemours; our material is chemically identical PFA resin sourced from certified suppliers meeting ASTM D4894 physical property requirements.
What is the maximum autoclave cycle count before performance degradation?
Validation testing shows no measurable change in extractables or particle generation after 10 consecutive autoclave cycles (121 °C, 15 psi, 30 min).
