Environmental Stress Cracking Resistance Tester

This instrument is a testing device recommended according to standard requirements. It is a specialized device designed specifically for environmental stress cracking tests of polyethylene plastics.  This testing device retains the technical requirements of the original prototype while incorporating structural innovations. It features a sophisticated design and advanced technology.

Applications

1. Plastic and Rubber Material Research and Development: Evaluating the stress crack resistance of new plastic and rubber materials under different environmental conditions, and optimizing material formulations and structures.

2. Product Quality Testing: Conducting quality testing on raw materials, semi-finished products, and finished products to ensure that products meet relevant standards and customer requirements.

3. Component Reliability Testing: Testing components (such as casings and brackets) in electronic and electrical products to identify potential problems in advance and optimize design and manufacturing processes.

4. Packaging Material Evaluation: Evaluating the performance changes of packaging materials under different temperatures, humidity levels, and storage times, providing a basis for selecting suitable packaging materials.

Standards

(1)ASTM D1693: Exclusively designed for bending beam and constant load tests on polyethylene and other thermoplastics.

(2)ISO 22088-3: Configurable for notched specimen testing in aggressive media.

Features

(1)Modular Bath System:

46-position carousel with quick-release glass vessels (250mL capacity).

Dual-circuit heating for rapid temperature equilibration.

(2)Stress Loading System:

Manual or motorized bending fixtures with 0–50N load range.

Laser-aligned specimen grips for consistent strain distribution.

(3)Chemical Management:

Integrated solvent level sensors with low-volume alerts.

Vented enclosure for fume extraction (compatible with external HVA systems).

(4)Data Integrity:

100Hz sampling rate captures crack initiation events.

Wireless data export via Wi-Fi/Bluetooth to LIMS platforms.

(5)Safety Suite:

Leak-proof magnetic drive stirrers.

Emergency solvent dump system with CO₂ fire suppression.

Technical Parameters

Accessoriess

(1)Sample Preparation Kit:

ASTM D1693-compliant milling cutters and polishing films.

Prefabricated specimen jigs for 2.75mm bending beams.

(2)Solvent Management:

Explosion-proof storage cabinet for flammable liquids.

Recirculating chiller for sub-ambient testing (-10°C).

(3)Advanced Analytics:

(4)CrackVision™ Software: AI-assisted image analysis for crack length measurement.

(5)LabCloud Pro: Remote monitoring for 100+ concurrent users.

(6)Calibration Bundle:

NIST-traceable temperature/force calibration kit with certificate.

(7)Extended Warranty:

5-year comprehensive coverage for bath and controls.

Test Procedures

1. Set appropriate test parameters

Based on specific requirements, determine appropriate test parameters such as temperature, humidity, stress, or strain to ensure the accuracy and repeatability of the test results.

2. Select suitable test specimens

Select suitable specimen shapes and sizes based on the material characteristics, and ensure that the specimen preparation process meets standard requirements.

3. Data analysis and interpretation

Perform systematic analysis and interpretation of the test results, including indicators such as cracking time, cracking distance, and crack propagation rate, to provide a scientific basis for subsequent applications and decision-making.

4. Safe operation

During operation, pay attention to safety precautions, ensuring that the test platform is stable and avoiding excessive stress or strain that could cause damage to equipment or personnel.

Maintenance Information

(1)Regularly clean the sample holders, clamps, and test bath to prevent residue buildup.

(2)Inspect and lubricate moving parts, mechanical components, and hinges to ensure smooth operation.

(3)Check sensors, temperature controllers, and electrical connections periodically for proper function.

(4)Calibrate the instrument and verify measurement accuracy according to manufacturer guidelines.

(5)Replace worn, damaged, or corroded parts promptly to maintain consistent test results.

(6)Update software or firmware as recommended to ensure proper operation.

(7)Keep detailed maintenance logs to track service history and ensure reliability.

FAQ

1. What is an ESCR Tester used for?

It evaluates the resistance of plastics and polymers to environmental stress cracking under chemical and mechanical stress.

2. How does the tester operate?

Samples are exposed to specific chemicals and mechanical stress while the instrument monitors for cracking or failure over time.

3. What types of materials can be tested?

Commonly used for thermoplastics, resins, and polymer-based materials used in packaging, automotive, and industrial applications.

4. How is test data recorded and analyzed?

Test results, such as time to crack or deformation, are recorded digitally, displayed on the interface, and can be exported for analysis.

5. What maintenance is required for the ESCR Tester?

Routine cleaning, inspection of clamps and baths, calibration, lubrication of moving parts, sensor checks, and timely replacement of worn components.