Crucible Tongs
Product Code : SCL-CLE-11894
StemAids Crucible Tongs are specialized laboratory grasping tools engineered for the secure manipulation of hot crucibles, evaporating dishes, and other small labware. Featuring a unique bowed-jaw design with serrated tips, they provide a multi-point grip to prevent slippage during high-temperature procedures such as calcination or gravimetric analysis. Manufactured from high-grade stainless steel or plated brass, these tongs are a safety prerequisite for any University Chemistry or Material Science laboratory.
Technical Specifications
|
Tender Specification |
OEM Technical Detail |
|
Material |
Grade 304 Stainless Steel or Chrome-Plated Steel |
|
Lengths Available |
150mm,200mm,250mm,300mm |
|
Jaw Configuration |
Corrugated/Serrated tips with a central circular bow |
|
Joint Type |
Precision-riveted lap joint for smooth operation |
|
Heat Resistance |
Engineered for continuous use up to 1100?C |
|
Chemical Resistance |
Resistant to most laboratory acids, alkalis, and oxidation |
|
ISO Compliance |
Manufactured under ISO 9001:2015 Quality Management Systems |
|
HS Code |
8203.20.00 (Pincers, tongs, and similar tools) |
Key Pedagogical & Safety Outcomes
- Safety Interface: Facilitates the safe transfer of labware from a furnace or Bunsen burner to a desiccator. Learners identify the risk of thermal shock and chemical burns, utilizing the tongs as a critical barrier.
- Ergonomic Quantification: Enables the development of laboratory dexterity; learners apply the appropriate grip tension to hold a porcelain crucible without applying excessive force that could lead to fracture.
- Procedural Analysis: Supports the analysis of "Quantitative Gravimetry"; students evaluate the importance of using clean tongs to avoid introducing finger oils or contaminants that could affect the final mass of a specimen.
- Durability Evaluation: Allows students to evaluate material properties; the stainless steel construction ensures the tongs do not corrode or "scale" when exposed to direct flame over repeated cycles.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Export-grade bulk packaging. Tongs are bundled with protective interleaving to prevent scratching and mechanical damage during maritime or air transit.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and a material grade certification.
- Corrosion Resistance: Every unit undergoes a passivation process, ensuring that the tool remains rust-free even in the high-humidity environments typical of coastal or tropical laboratories.
Direct OEM Sourcing Advantages
Procuring StemAids Crucible Tongs directly ensures vertical manufacturing control:
- Alignment Precision: Direct oversight of the riveting process ensures the jaws meet perfectly at the tips, preventing small or thin-walled crucibles from tilting or sliding through the gap.
- High-Tension Riveting: We utilize heavy-duty stainless steel rivets that do not loosen over time, maintaining a consistent "feel" and safety profile throughout the tool's lifecycle.
- Direct Factory Inventory: Guaranteed availability of various lengths (from 6 to 12 inches) to accommodate different furnace depths and student requirements.
- Safety Engineering: The finger loops are deburred and polished to ensure a comfortable, snag-free grip, even when wearing heavy laboratory heat-resistant gloves.
