ASTM C147 Test for Internal Pressure Strength of Glass Containers

ASTM C147 determines the strength of glass containers against internal pressure. It is used for containers manufactured to contain products that develop a sustained pressure after processing. This test is used in the selection process, design data generation, and quality control of glass items.

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ASTM C147 Test for Internal Pressure Strength of Glass Containers

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Overview
Scope, Applications, and Benefits
Test Process
Specifications
Instrumentation
Results and Deliverables

Overview

ASTM C147 specifies a standardized method for determining the internal pressure strength of glass containers such as bottles and jars. The test evaluates the ability of containers to withstand internal pressure without failure, ensuring structural integrity during filling, storage, and transportation. It is critical for assessing the safety of containers used with pressurized or carbonated contents.

This method is widely used to verify container performance under simulated service conditions. By measuring burst pressure and failure characteristics, ASTM C147 helps manufacturers optimize design, improve quality control, and ensure compliance with safety requirements for glass packaging applications.

Scope, Applications, and Benefits

Scope

ASTM C147 outlines procedures for evaluating the internal pressure resistance of glass containers by applying controlled pressure until failure occurs, ensuring accurate assessment of strength and durability.

Applicable to glass bottles, jars, and similar containers
Measures resistance to internal hydraulic or pneumatic pressure
Covers burst pressure determination
Includes specimen preparation and conditioning
Ensures controlled pressurization and safety procedures
Suitable for quality control and design verification

Applications

Beverage bottles including carbonated drinks
Pharmaceutical and chemical storage containers
Food packaging glass jars
Pressure-resistant glass containers
Packaging design and development
Quality assurance in glass manufacturing

Benefits

Ensures safety of pressurized containers
Determines maximum pressure resistance
Supports packaging design optimization
Reduces risk of container failure
Provides standardized and reliable results
Enhances product quality and compliance

Test Process

Specimen Preparation

Select and condition glass containers ensuring they are clean and free from defects.

Filling and Sealing

Fill the container with liquid or air and securely seal it for testing.

Pressure Application

Apply internal pressure at a controlled rate until the container bursts.

Result Recording

Record the burst pressure and analyze failure characteristics.

Technical Specifications

Parameter	Details
Material Type	Glass containers (bottles, jars)
Pressure Medium	Water or air
Loading Mode	Gradual pressure increase until burst
Measurement Parameter	Burst pressure at failure
Specimen Condition	Clean and defect-free containers
Test Environment	Ambient conditions
Output Result	Internal pressure strength (burst pressure)

Instrumentation Used for Testing

Pressure testing machine
Hydraulic or pneumatic pressure system
Pressure gauges or sensors
Sealing fixtures and closures
Safety enclosure or shield
Data acquisition system

Results and Deliverables

Burst pressure values of containers
Failure mode analysis (crack or explosion pattern)
Pressure vs time data
Quality assessment of containers
Compliance verification with specifications
Detailed test report with observations

Why Choose Infinita Lab for ASTM C147?

Infinita Lab is a trusted USA-based testing laboratory offering ASTM C147 testing services across an extensive network of accredited facilities across the USA.

Infinita Lab is built to serve the full spectrum of modern testing needs—across industries, materials, and methodologies. Our advanced equipment and expert professionals deliver highly accurate and prompt test results, helping businesses achieve quality compliance and product reliability.

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Frequently Asked Questions

ASTM C147 is used to determine the internal pressure strength of glass containers by measuring the pressure at which they fail. It helps ensure container safety and performance when used with pressurized or carbonated products.

This test is important because glass containers may fail under pressure during use. Evaluating their strength helps prevent accidents, ensures product safety, and improves packaging reliability.

Hydraulic testing uses water and is safer, while pneumatic testing uses air and may pose higher risk due to sudden energy release during failure.

Common failure modes include cracking, fragmentation, or explosive breakage. These patterns help identify weak points in the container design.

ASTM C147 helps manufacturers detect defects, maintain consistent quality, and ensure that glass containers meet required safety and performance standards.