Cavity Slides (Pack of 10)
Product Code : SCL-BLE-11883
The StemAids Cavity Slides (also known as concave slides) are specialized laboratory substrates engineered for the observation of living microorganisms and the study of fluid-based chemical reactions. Unlike standard flat slides, these feature a precision-ground, polished spherical depression (cavity) that acts as a micro-reservoir. Manufactured to ISO 9001:2015 standards, these slides are essential for University and Secondary School biology labs to facilitate "hanging drop" techniques and long-term observation of motile specimens without crushing them.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material |
Grade A Optical Soda-Lime Glass (Pre-cleaned) |
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Dimensions |
Standard 75mm×25mm (approx. 3"×1") |
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Thickness |
1.2mm to 1.5mm (Thicker base to accommodate cavity) |
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Cavity Detail |
Single or Double concave (approx. 15mm diameter, 0.5mm depth) |
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Edge Finish |
Precision ground and polished safety edges |
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Quantity |
Pack of 10 pieces |
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ISO Compliance |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
7017.90.10 (Microscope Slides) |
Key Pedagogical & Functional Outcomes
- Micro-Environment Interface: Facilitates the study of "Life in a Drop." The cavity provides a protected 3D space where protozoa, algae, and small invertebrates (like Rotifers or Daphnia) can move naturally without being flattened by a coverslip.
- Hanging Drop Quantification: Enables the specialized "Hanging Drop" technique; learners apply a drop of culture to a coverslip and invert it over the cavity to observe bacterial motility while preventing evaporation and contamination.
- Reaction Analysis: Supports the analysis of "Micro-Chemistry"; students evaluate precipitates or color changes within the localized reservoir, minimizing the volume of reagents required for an experiment.
- Optical Focal Evaluation: Allows students to evaluate depth-of-field; the 0.5mm depth challenges students to use fine-focus adjustments to track organisms at different vertical levels within the drop.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Export-grade secure packaging. The slides are vacuum-sealed in packs of 10 with interleaved paper to prevent surface scratching and "glass sticking" during maritime transit.
- Documentation: Includes Manufacturer’s Authorization Form (MAF) and Certificate of Conformance (CoC).
- Durability: Non-corrosive glass composition ensures that the slides do not "fog" or oxidize, maintaining optical clarity even in high-humidity tropical laboratory environments.
Direct OEM Sourcing Advantages
Procuring StemAids Cavity Slides directly ensures vertical manufacturing control:
- Polished Concavity: Direct oversight of the grinding process ensures the cavity surface is as optically clear as the flat portion of the slide, eliminating "scuff marks" that could obscure the specimen.
- Structural Integrity: We use slightly thicker glass for our cavity slides to ensure they remain rugged enough to withstand repeated cleaning and sterilization cycles without cracking.
- Institutional Scalability: Guaranteed availability of bulk carton quantities to support departmental-wide lab sessions.
- Quality Assurance: Every slide is inspected for the absence of internal striations or "seeds" in the glass that could be confused with a microscopic specimen.
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