ASTM D127 Dropping Point Apparatus – Swiss-Made Laboratory Instrument for Petroleum Waxes and Greases
| Origin | Switzerland |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | D127 |
| Pricing | Upon Request |
| Compliance | ASTM D127, IP 133, CE Marked |
Overview
The ASTM D127 Dropping Point Apparatus is a precision laboratory instrument engineered to determine the dropping point of petroleum waxes, microcrystalline waxes, greases, and related semi-solid hydrocarbon-based materials. Based on the standardized capillary tube method defined in ASTM D127 and IP 133, this apparatus measures the temperature at which a sample transitions from a solid or semi-solid state to a liquid state under controlled heating conditions—specifically, the temperature at which the first drop of molten material falls from the bottom of a specified test cup or capillary assembly. The instrument features a thermostatically regulated heating bath with precise thermal uniformity across the test zone, ensuring high reproducibility between operators and laboratories. Its mechanical design adheres to strict dimensional tolerances for sample containment geometry (including the standard 25 mm × 150 mm test tube), enabling full compliance with the physical setup requirements outlined in ASTM D127 Section 6 and Annex A1.
Key Features
- Full conformance to ASTM D127–2023 and IP 133 test methodologies, including prescribed sample preparation, cup geometry, heating rate control (1–2 °C/min), and drop detection criteria.
- CE-marked construction meeting EU Machinery Directive 2006/42/EC and Electromagnetic Compatibility Directive 2014/30/EU.
- Stainless-steel heating bath with PID-controlled immersion heater and calibrated digital temperature display referenced to traceable NIST-traceable standards.
- Integrated support for ASTM-certified thermometers—including ASTM 61C (–1 to 101 °C), ASTM 34C (–1 to 151 °C), and ASTM 34F (–1 to 151 °C)—with dedicated thermometer holders and immersion depth alignment fixtures.
- Modular test assembly accommodating standard 25 mm × 150 mm borosilicate glass test tubes (e.g., LAB-102-101) and sealed sample containers (LAB-102-102) for volatile or moisture-sensitive specimens.
- Robust mechanical architecture optimized for long-term stability in QC/QA labs operating under ISO/IEC 17025-accredited environments.
Sample Compatibility & Compliance
This apparatus is validated for use with paraffinic and microcrystalline petroleum waxes, lubricating greases, bituminous binders, and other thermoplastic hydrocarbon mixtures exhibiting distinct softening behavior. Sample mass, particle size distribution, and pre-conditioning (e.g., cooling rate, annealing time) are strictly governed by ASTM D127 Sections 7–9 to ensure measurement validity. All components—including test tubes, thermometer wells, and bath inserts—are dimensionally verified against ASTM E77 and ISO 17025 calibration protocols. The system supports GLP-compliant documentation workflows when paired with external lab notebooks or LIMS-integrated reporting tools.
Software & Data Management
While the D127 Dropping Point Apparatus operates as a manually monitored benchtop unit without embedded software, its design facilitates seamless integration into regulated data ecosystems. Temperature readings from ASTM-certified thermometers may be logged via external digital thermometers compliant with ASTM E77 and ISO/IEC 17025 traceability requirements. For laboratories requiring electronic records under FDA 21 CFR Part 11 or EU Annex 11, the instrument supports audit-trail-ready documentation through compatible data acquisition systems (e.g., LabVIEW or custom SCADA interfaces), provided third-party validation is performed per GAMP 5 guidelines. Calibration certificates for thermometers and bath uniformity mapping reports are supplied with each unit shipment.
Applications
- Quality control of petroleum wax feedstocks and finished products in refinery and specialty chemical manufacturing.
- Specification verification for microcrystalline wax used in food-grade packaging coatings and pharmaceutical tablet coatings.
- Stability assessment of lithium-based and calcium-sulfonate greases during R&D and shelf-life studies.
- Regulatory submission testing for ASTM D127 compliance in safety data sheets (SDS) and product registration dossiers (e.g., REACH, TSCA).
- Interlaboratory comparison studies under ISO 5725-2 precision evaluation frameworks.
FAQ
What standards does this apparatus fully satisfy?
ASTM D127–2023, IP 133, and CE marking directives (2006/42/EC, 2014/30/EU).
Is the heating bath calibrated prior to shipment?
Yes—each unit undergoes thermal uniformity mapping across the test zone and is supplied with a factory calibration certificate traceable to national metrology institutes.
Can I use non-ASTM thermometers with this system?
No—only ASTM-certified thermometers (e.g., ASTM 61C, 34C, 34F) are permitted to ensure measurement validity per standard requirements.
What consumables are required for routine operation?
Standard 25 mm × 150 mm test tubes (LAB-102-101, 10/pack) and sealed storage cans (LAB-102-102) for sample preservation.
Does the instrument support automated drop detection?
No—it follows the manual visual observation protocol mandated by ASTM D127; automated optical detection systems are not part of the standard configuration and would require separate validation.
