Elastomeric Testing Services
The Eutsler Technical Products R&D Laboratory serves as the core of our elastomer innovation program, integrating compound development, analytical testing, and process engineering under a single quality-controlled framework.
Our lab bridges materials science, applied engineering, and production technology, ensuring that every compound we formulate meets defined chemical, mechanical, and environmental performance objectives before scaling to production.
From concept formulation to ASTM certification, our R&D facility enables end-to-end materials characterization, validation, and process optimization — supporting industries including aerospace, oilfield, defense, transportation, medical, and energy.
Core Laboratory Functions
Compound Formulation & Development
Eutsler’s R&D lab specializes in the design of custom elastomer formulations using a wide range of base polymers, fillers, plasticizers, and curatives.
Capabilities include:
- Custom compound formulation for temperature, chemical, and mechanical targets
- Root feedstock analysis and chemical compatibility mapping
- Cure system optimization (sulfur, peroxide, diamine, bisphenol, resin, or hybrid)
- Multi-polymer blending (e.g., EPDM/CR, HNBR/ACM, and other hybrids)
- Peroxide and metal oxide cure kinetics modeling
- Plasticizer, antidegradant, and reinforcing filler balance studies
Analytical tools used:
- Differential Scanning Calorimetry (DSC) for cure and glass transition temperature (Tg)
- Fourier Transform Infrared (FTIR) spectroscopy for polymer verification
- Thermogravimetric Analysis (TGA) for filler and volatile quantification
- Rheometric and Mooney viscosity control for compound consistency
Rheological & Cure Characterization
Cure behavior and processing stability define the reliability of every rubber compound. Eutsler employs ASTM D5289 Moving Die Rheometer (MDR) and ASTM D1646 Mooney viscometer testing for precise cure modeling.
Capabilities:
- Rheometer (MDR): Scorch safety time (ts2); Optimum cure time (tc90, tc95); Torque plateau (MH–ML); Crosslinking kinetics & reversion analysis; Frequency, strain, and temperatures sweeps
- Mooney viscosity testing: Processability and mixing stability analysis; Scorch characteristics & pre-cure predictionIsothermal & non-isothermal cure studies
- Isothermal & non-isothermal cure studies
- Cure compatibility evaluation for multi-layer bonding
These data guide mix design adjustments, ensuring consistent mill behavior, extrusion flow, and mold cure performance.
Physical & Mechanical Property Testing
Eutsler’s R&D lab validates every material with comprehensive mechanical and durability testing per relevant ASTM standards.
| Property / Test | Standard | Purpose |
|---|---|---|
| Tensile Strength / Elongation | ASTM D412 | Evaluate strength, flexibility, and reinforcement balance |
| Tear Resistance | ASTM D624 | Assess crack growth and toughness |
| Hardness (Shore A / D) | ASTM D2240 | Determine durometer range and cure consistency |
| Compression Set | ASTM D395 | Quantify sealing force retention under heat or compression |
| Abrasion Resistance | ASTM D5963 | Measure wear rate and material durability |
| Rebound / Resilience | ASTM D7121 | Evaluate elastic energy recovery for vibration applications |
| Adhesion to Metal / Fabric | ASTM D429 | Verify bond integrity in rubber-to-metal or composite assemblies |
| Heat Aging | ASTM D573 | Assess retention of mechanical properties after high-temp exposure |
| Fluid Resistance | ASTM D471 | Evaluate volume, hardness, and tensile changes after fluid immersion |
| Dimensional Stability | ASTM D3767 | Confirm geometric consistency before and after aging |
| Low-Temperature Brittleness | ASTM D2137 | Measure flexibility and fracture resistance in cold environments |
All data are digitally recorded for compound history, traceability, and customer reporting.
Thermal, Chemical, and Environmental Aging
Eutsler’s lab conducts accelerated life testing to simulate real-world environmental degradation mechanisms.
Capabilities include:
- Heat aging ovens (70 °C–300 °C) for long-term property retention studies
- Fluid resistance testing in oils, fuels, solvents, acids, and amines
- Steam and hot-water immersion per ASTM D471 and D573
Each accelerated aging test includes pre/post-property measurement, allowing quantification of retained tensile, hardness, and elongation under simulated field conditions.
Chemical & Analytical Evaluation
Beyond mechanical testing, Eutsler’s lab performs chemical verification, degradation analysis, and contamination assessment for both production and failure analysis.
Analytical techniques:
- FTIR spectroscopy: Polymer identification and contamination detection
- TGA (Thermogravimetric Analysis): Filler loading, ash, and volatile loss quantification
- DSC (Differential Scanning Calorimetry): Glass transition and cure peak analysis
- Microscopy (optical & SEM collaboration): Surface morphology and fracture characterization
- Solvent extraction & swelling index testing: Plasticizer and crosslink density estimation
- Surface energy measurement: Evaluate bonding and coating adhesion
- Chemical immersion compatibility testing: Custom exposure profiles for end-use environments
These analyses provide the root-cause understanding necessary for compound optimization, quality assurance, and product reliability validation.
Failure Analysis
Eutsler’s R&D group offers comprehensive elastomer failure investigation for molded parts, bonded assemblies, and field-returned components.
Procedure:
- Visual and dimensional inspection for mechanical or processing defects
- FTIR and TGAfor compound identification and degradation profile
- SEM (partner lab)for fracture surface analysis and failure mode detection
- Cross-section microscopyto evaluate adhesion or cure uniformity
- Mechanical property comparisonto baseline data
- Environmental and chemical exposure review
Deliverables include a Root Cause Failure Analysis (RCFA) report, complete with corrective actions and material recommendations.
Process Simulation & Production Transfer
The R&D laboratory interfaces directly with Eutsler’s production team to ensure seamless process scalability and consistent compound behavior.
Capabilities:
- Two-roll mill simulationof production mixing
- Extrusion and flow behavior testing
- Mold fill and cure simulationusing rheometric data
- Prototype to production validationincluding pre-production lot testing
Each new compound passes a “Lab to Line” validation cycle, verifying that its mix, cure, and dimensional characteristics meet production stability requirements.
Standards, Certification & Quality Integration
Eutsler’s laboratory operates within a fully documented ISO 9001:2015 quality system, integrating:
- ASTM standard compliancefor all testing protocols
- Batch traceabilityfrom raw material through finished compound
- Material certification packagesfor aerospace, defense, and FDA-compliant applications
- Continuous improvement initiativesguided by SPC and Six Sigma methodologies
All results are archived in Eutsler’s LIMS (Laboratory Information Management System) for complete compound history, trend tracking, and data-driven material refinement.
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Instrumentation Summary
| Category | Equipment | Primary Function |
|---|---|---|
| Rheology & Cure | Moving Die Rheometer (MDR), Mooney Viscometer | Cure behavior, viscosity, reversion analysis |
| Thermal Analysis | DSC, TGA | Cure kinetics, filler content, degradation study |
| Mechanical Testing | Tensile Tester (Instron), Tear & Compression Fixtures | ASTM D412, D624, D395, D573 testing |
| Environmental Aging | Ozone, UV, and Thermal Chambers | Weathering and accelerated aging tests |
| Hardness & Resilience | Durometers, Rebound Tester | Elastic recovery and durometer consistency |
| Dimensional Analysis | Digital calipers, Optical comparator | Pre- and post-aging dimensional change |
| Chemical Analysis | FTIR, Solvent Extraction, pH & Conductivity Analysis | Compound identification, contamination testing |
| Bonding & Adhesion | Metal Substrate Prep Systems | ASTM D429 adhesion testing |
| Mixing Simulation | 2-Roll Mill | Compound prototype development and rheology replication |
Collaborative Development Framework
Eutsler’s R&D lab operates as a collaborative extension of your engineering team — integrating design feedback loops, rapid prototyping, and validation data into the product development cycle.
Partner services include:
- Rapid compounding and sample production (1–10 lb pilot batches)
- ASTM property data generation and certification
- Comparative evaluation of elastomer families for specific fluids
- Long-term environmental exposure data and lifetime prediction modeling
- Material substitution studies for supply-chain resilience
Our objective is to ensure total material transparency, predictable performance, and optimized manufacturability for every component we deliver.
Summary
Eutsler Technical Products’ R&D Laboratory provides a complete materials science infrastructure for:
- Custom elastomer formulation
- ASTM mechanical and rheological validation
- Chemical and thermal analysis
- Failure and process optimization studies
Backed by six decades of engineering and manufacturing expertise, our R&D lab ensures that every compound we produce is scientifically validated, application-optimized, and production-ready. Partner with Eutsler to develop engineered elastomer compounds built on data, precision, and performance validation — from lab bench to production floor.
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