ASTM C690 Alumina and Quartz powder Particle Size Distribution

Particle size distribution of alumina and quartz powder is analyzed by the ASTM C690 test using the electrical sensing zone technique. This test method is one of the several found for measuring the particle size, and size distribution of specimens.

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ASTM C690 Alumina and Quartz powder Particle Size Distribution

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

Overview

ASTM C690 determines the particle size distribution of alumina and quartz powders using sedimentation or related analytical techniques. The test evaluates how particle sizes are distributed within a powder sample, which directly affects processing behavior and final material properties.

This method is widely used in ceramics, refractories, and advanced materials industries. It helps ensure consistency, packing density, and performance of powders used in manufacturing processes.

Scope, Applications, and Benefits

Scope

ASTM C690 evaluates particle size distribution of alumina and quartz powders to ensure proper grading and uniformity. The test provides insight into fine-particle fractions and the overall size spread.

The test evaluates:

Particle size distribution of powders
Percentage of fine and coarse particles
Uniformity and grading of material
Suitability for processing and sintering
Powder quality and consistency

Applications

Alumina and quartz powders
Ceramic and refractory materials
Glass and mineral processing
Powder metallurgy
Advanced material manufacturing
Quality control of raw materials

Benefits

Provides accurate particle size analysis
Ensures consistency in powder processing
Supports optimization of material properties
Assists in quality control and formulation
Enables comparison of powder characteristics

Test Process

Sample Preparation

Powder samples are dispersed in a suitable liquid medium.

Sedimentation Setup

Suspension is placed in a measurement system for particle settling.

Measurement

Particle settling rate is monitored to determine size distribution.

Data Recording & Evaluation

Distribution curves and particle size values are calculated.

Technical Specifications

Parameter	Details
Applicable Materials	Alumina and quartz powders
Particle Size Range	~0.1 µm to 100 µm
Measurement Method	Sedimentation analysis
Dispersion Medium	Water or suitable liquid
Measurement Accuracy	±2% to ±5%
Measured Outputs	Particle size distribution (µm, %)

Instrumentation Used for Testing

Sedimentation analysis apparatus
Particle size analyzer
Dispersion equipment
Analytical balance
Sample preparation tools
Data acquisition system

Results and Deliverables

Particle size distribution curves
Percentage of particles in size ranges
Mean particle size values
Powder uniformity assessment
Test condition summary
ASTM compliance report

Why Choose Infinita Lab for ASTM C690?

Infinita Lab is a trusted USA-based testing laboratory offering ASTM C690 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.

Looking for a trusted partner to achieve your research goals? Schedule a meeting with us, send us a request, or call us at (888) 878-3090 to learn more about our services and how we can support you. Request a Quote

Frequently Asked Questions

ASTM C690 determines particle size distribution of alumina and quartz powders. It evaluates size range and uniformity of particles. This helps control processing behavior and material performance.

Key parameters include sieve size selection, sample mass, dispersion method, and analysis technique. Proper sample preparation is required. These factors influence accuracy of particle size measurement.

The test provides particle size distribution data and percentage retained or passing. It shows uniformity and grading of powders. Results support quality control and process optimization.

ASTM C690 is used for alumina and quartz powders. These materials are widely used in ceramics, refractories, and industrial applications. Particle size affects final product properties.

ASTM C690 depends on proper dispersion and measurement method. Agglomeration or fine particles may affect accuracy. Additional techniques may be required for detailed analysis.