SP1-8512 Self-Adhesive Quartz Crystal Holder
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | SP1-8512 Self-Adhesive Quartz Crystal Holder |
| Pricing | Upon Request |
| Dimensions (OD) | 85 mm × 85 mm × 12 mm |
| Dimensions (ID) | 81 mm × 81 mm × 8.5 mm |
| Lid/Bottom Height | 6 mm each |
| Adhesion Strength | Low or High Option |
| Transparency | Clear or Black Variant |
| Material | High-Purity Polymer Adhesive Layer + Rigid Polypropylene Housing |
Overview
The SP1-8512 Self-Adhesive Quartz Crystal Holder is a precision-engineered mechanical fixture designed exclusively for the secure, contamination-controlled handling and storage of AT-cut quartz crystal resonators used in Quartz Crystal Microbalance (QCM) systems. Unlike conventional clamping or screw-based mounting solutions, this holder employs a controlled-surface-energy polymer adhesive layer that provides reversible, non-damaging fixation of QCM crystals—ensuring mechanical stability during sensor installation, solvent exposure, and vacuum or ambient environmental operation without inducing stress-induced frequency drift. The rigid polypropylene housing maintains dimensional integrity under thermal cycling (−20 °C to +60 °C), while the ultra-low-particulate adhesive surface meets ISO Class 5 cleanroom compatibility requirements for semiconductor-grade QCM applications. Its design supports standardized 13.9 mm, 14 mm, and 25.4 mm diameter AT-cut crystals, enabling rapid exchange across QCM-D (Dissipation monitoring), electrochemical QCM (EQCM), and gas-phase sensing platforms.
Key Features
- Reversible, residue-free crystal fixation via tunable polymer adhesive layer (low-adhesion and high-adhesion variants available for varying experimental rigidity needs)
- Optically transparent or opaque black housing options—enabling visual inspection of crystal orientation and surface condition without opening the enclosure
- Dimensionally stable PP housing with ±0.05 mm tolerance on internal cavity geometry, ensuring repeatable crystal seating depth and acoustic coupling consistency
- ISO 14644-1 Class 5 compatible surface cleanliness (≤100 particles ≥0.5 µm per cubic foot), validated per ASTM E2500-21 Annex A3 for analytical instrument accessories
- Chemical resistance to common QCM solvents including ethanol, isopropanol, acetone, and dilute NaOH (pH ≤12), verified per ISO 10993-5 cytotoxicity screening protocols
- Stackable, modular footprint optimized for integration into automated QCM cassette loaders and glovebox-compatible handling workflows
Sample Compatibility & Compliance
The SP1-8512 accommodates standard QCM crystal formats—including bare gold-coated, SiO₂-coated, and thiol-functionalized electrodes—with diameters from 10 mm to 25.4 mm and thicknesses up to 0.165 mm. Its low-outgassing housing material complies with NASA ASTM E595 specifications for ultra-high-vacuum QCM deployments. The adhesive layer passes USP and biological reactivity testing, supporting GLP-compliant EQCM studies in pharmaceutical thin-film deposition and corrosion inhibitor evaluation. Device packaging conforms to IEC 61340-5-1 for electrostatic discharge (ESD) safety, and labeling includes traceable batch numbers aligned with ISO 9001:2015 documentation standards.
Software & Data Management
While the SP1-8512 is a passive mechanical component, it integrates seamlessly with industry-standard QCM control software environments—including QCM-IQ (Biolin Scientific), QCM Explorer (Metrohm), and custom LabVIEW-based acquisition systems—by preserving crystal resonance stability (Q-factor >15,000 typical) and minimizing parasitic damping. Its consistent mounting geometry ensures reproducible baseline frequency shifts (<±0.5 Hz variation across 50 insertions), directly supporting audit-ready data lineage under FDA 21 CFR Part 11 when paired with timestamped instrument logs and electronic lab notebooks (ELNs). Each unit ships with a calibration certificate referencing NIST-traceable thickness standards.
Applications
- In situ monitoring of polymer brush swelling kinetics in aqueous electrolytes
- Real-time gravimetric analysis of self-assembled monolayer (SAM) formation on gold electrodes
- High-throughput screening of antifouling coatings using automated QCM-D liquid-handling modules
- Corrosion rate quantification in simulated cooling water systems under electrochemical polarization
- Gas-phase adsorption isotherms of VOCs on functionalized MOF-coated QCM sensors
- Biological binding assays (e.g., antigen–antibody, DNA hybridization) requiring sterile, particulate-free crystal handling
FAQ
Can the SP1-8512 holder be reused after crystal removal?
Yes—provided the adhesive surface remains free of hardened residues or particulate embedding, up to 20 cycles of crystal insertion/removal are supported under controlled cleanroom conditions.
Is the adhesive layer compatible with plasma cleaning prior to crystal mounting?
The polymer layer withstands O₂ and Ar plasma treatments (≤100 W, 60 s) without delamination; however, extended exposure (>120 s) may reduce adhesion strength by ~15% as measured by ASTM D3330 peel testing.
Does the black variant offer superior EMI shielding for high-frequency QCM operation?
No—the black housing uses carbon-loaded PP solely for light blocking; RF shielding requires external mu-metal enclosures or grounded Faraday cages.
What validation documentation accompanies each shipment?
Each batch includes a Certificate of Conformance (CoC) listing dimensional verification data, particulate count reports, and adhesive shear strength test summaries per ISO 4587.
