Petri Dish Glass 4”
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Product Code : SCL-CLE-12394
The StemAids Dropper Pipette is a specialized liquid handling instrument engineered for the controlled transfer of micro-volumes and reagents. Fabricated from high-clarity Borosilicate 3.3 glass, it ensures maximum chemical resistance and thermal stability. Optimized for University and Vocational laboratories, this apparatus supports definitive drop-wise accuracy during qualitative analysis and titration workflows.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material Grade |
Low-expansion Borosilicate 3.3 Glass |
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Tip Geometry |
Precision-tapered capillary tip for uniform drop formation |
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Bulb Compatibility |
High-elasticity chemical-resistant elastomer |
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Chemical Durability |
Class 1 Hydrolytic Resistance (ISO 719) |
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Thermal Resistance |
High-strain point; suitable for repeated sterilization |
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ISO Compliance Code |
ISO 4791 Alignment (Laboratory Glassware) |
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HS Code |
7017.90 (Laboratory Glassware) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: Precision-Tapered Delivery Tip Outcome: Facilitates student "Application" of surface tension principles, allowing for the observation of uniform drop formation and volumetric approximation.
Feature: High-Clarity Borosilicate 3.3 Matrix Outcome: Enables the "Evaluation" of precipitate formation and colorimetric changes within the pipette shaft during micro-scale reactions.
Feature: Chemically Inert Glass Construction Outcome: Supports student "Analysis" of reagent purity by eliminating ion-leaching variables, ensuring high-fidelity results in qualitative chemistry modules.
Feature: Removable Elastomer Bulb Outcome: Promotes "Understanding" of pressure differentials and vacuum-assisted aspiration techniques required for standardized liquid handling.
International Logistics & Compliance
StemAids maintains a specialized export-ready framework to ensure the structural and metrological integrity of laboratory glassware throughout the global supply chain:
Packaging: Export-grade seaworthy crating (ISPM-15 compliant) utilizing internal high-density longitudinal supports to protect the elongated glass shafts from vibrational stress and fracture.
Documentation: Includes Manufacturer’s Authorization Form (MAF), batch-specific Certificate of Conformity, and technical User Manuals in English.
Durability: Tropicalized design tested for operation in demanding climates (up to 45°C/90% Humidity), ensuring the glass matrix remains free from surface clouding or alkali-leaching.
Direct OEM Sourcing Advantages
Procurement via the StemAids vertical manufacturing channel provides institutional stakeholders with definitive factory-direct authority and technical assurance:
Vertical Quality Integration: Total oversight of the glass-forming and annealing cycles results in a low-strain glass matrix, significantly increasing the mechanical lifecycle of the instrument.
In-house Precision Calibration: Tip apertures undergo rigorous dimensional verification to ensure standardized drop volumes across production batches.
Batch-Tested for Uniform Reliability: Every production run is subjected to thermal-shock and hydrolytic-resistance tests to meet the definitive standards required for international tenders.
Direct Factory Spares Availability: Guaranteed long-term availability of compatible elastomer bulbs and various shaft lengths to ensure laboratory asset continuity and prevent downtime.
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