ASTM D6797 Standard Test Method for Bursting Strength of Fabrics Constant-Rate-of-Extension (CRE) Ball Burst Test (Withdrawn 2024)

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ASTM D6797 Introduction

Most textile products are subjected to stresses in several directions during real-life application than in uniaxial tension. Fabrics in upholstery, industrial textile, medical, and protective use are required to be able to withstand complicated deformation without collapsing. Bursting strength testing will meet this need by subjecting a localized area to uniform stress. ASTM D6797 developed a CRE-based method of loading a ball burst, which offered controlled loading conditions and reproducible results.

Get Certified ASTM D6797 for Historical Fabric Performance Evaluation

Although no longer in service, compliance with this technique obtained via certification or documented compliance to ASTM D6797 remains useful in testing products that have been previously tested and comparing them with older tested materials. In labs and manufacturing, the use of the ASTM D6797 data is used to keep consistency and continuity on established performance records, to confirm the old specifications, and to provide a benchmark on new test methods against the old results.

Scope of ASTM D6797

Decided the bursting strength of fabrics of textiles.
Stress is applied to the hands of a steel ball.
Constant-rate-of-extension loading conditions were in use.
Woven, knitted, and nonwoven fabrics.
Sustained maintainability and performance measurement.
Gave values of quantitative bursting force.

ASTM D6797 Equipment and Sample Preparation

Specimen Preparation	Cut specimens cleanly without stretching or distorting fabric structure
Specimen Detail	Use uniform, representative fabric free from creases, holes, or contamination
Specimen Size	Prepare specimens large enough to fit securely within the test clamp opening

Uses/Applications of ASTM D6797

Test on fabric strength and hardiness.
Comparison of fabric constructions and finishes.
Quality management in the textile production.
Textile industrial performance evaluation.
Medical and protective fabric materials testing.
High-strength fabrics research and development.
Comparison of historical data with new burst test techniques.

ASTM D6797 Common Challenges and Troubleshooting

Some of the typical difficulties involved specimen slipping, imbalanced clamping, and irregular rupture points. Also related to improper conditioning were misalignment of the steel ball or a lack of results. These problems were reduced in laboratories with calibrated CRE machines, correct specimen mounting, and the standardization of the environment.

ASTM D6797 Technique, Process, and Data Collection

The experiment entailed the clamping of a piece of fabric, and the force was exerted on it using a round steel ball at a uniform extension rate. The device was used to record a constant amount of applied force till the fabric ripped open. The bursting strength was the highest force at which technicians noted the failure. The consistency and statistical reliability of the data were guaranteed by the repeated tests.

ASTM D6797 Testing Procedure and Requirements

Specimen Selection	Select representative fabric specimens free from defects
Conditioning	Condition specimens under standard atmospheric conditions
Specimen Mounting	Secure the fabric firmly in the test fixture
Ball Positioning	Align the steel ball centrally over the specimen
CRE Loading	Apply force at a constant rate of extension
Rupture Detection	Record the force at fabric failure
Result Validation	Verify repeatability across multiple specimens

ASTM D6797 Analysis Results and Interpretation

The results of ASTM D6797 bursting strength were the maximum force that was needed to tear the fabric. The greater the values, the higher the resistance to the multidirectional stress and the durability. Reduced values indicated high levels of structural integrity in complicated loading environments. These results helped manufacturers to choose the right fabric to use in hard-duty applications and to compare the performance of different types of materials.

ASTM D6797 Problem & Solution

Problem: Multidirectional stressed fabrics fail too soon in their use.

Solution: ASTM D6797 discovered failings in fabric structure, and this allowed manufacturers to vary yarn type, fabric structure, or final work to enhance bursting strength.

Updated on September 17, 2026

About Author

Davis Scott

Davis Scott is an Electrical and Electronics Engineer specializing in multidisciplinary validation, quality assurance, and comprehensive electro-mechanical testing.
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ASTM D6797 Standard Test Method for Bursting Strength of Fabrics Constant-Rate-of-Extension (CRE) Ball Burst Test (Withdrawn 2024)

ASTM D6797 Introduction

Get Certified ASTM D6797 for Historical Fabric Performance Evaluation

Scope of ASTM D6797

ASTM D6797 Equipment and Sample Preparation

Uses/Applications of ASTM D6797

ASTM D6797 Common Challenges and Troubleshooting

ASTM D6797 Technique, Process, and Data Collection

ASTM D6797 Testing Procedure and Requirements

ASTM D6797 Analysis Results and Interpretation

ASTM D6797 Problem & Solution

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