Tech Team · Kintek Solution

The standard sieves for ASTM are governed by the ASTM E11 standard, which outlines the specifications for woven wire test sieves. These sieves are used for particle size analysis and are designed to handle materials ranging from 150mm (6 inches) down to 5µm (0.0002 inches). The ASTM E11 standard ensures that the sieves meet specific quality thresholds, including permissible variations in mesh weave, to maintain uniformity and accuracy in particle testing. This standard is crucial for industries that rely on precise particle size analysis, as it dictates the construction, performance, and certification requirements for test sieves.

Key Points Explained:

1. ASTM E11 Standard:

   • The ASTM E11 standard is the primary guideline for woven wire test sieves used in particle size analysis.
   • It specifies the quality thresholds that sieve producers must meet to ensure accurate and consistent results.
   • The standard covers sieves with mesh sizes ranging from 150mm (6 inches) to 5µm (0.0002 inches).

2. Mesh Size and Tolerance:

   • ASTM E11 defines the permissible variations in the weave of the sieve mesh to ensure uniformity in performance.
   • The standard specifies the exact mesh sizes required for different materials and applications, ensuring that the sieves can effectively separate particles within the desired size range.

3. Construction and Performance:

   • The construction of test sieves must adhere to the ASTM E11 standard to ensure they meet the required quality thresholds.
   • This includes the materials used, the precision of the mesh weave, and the overall durability of the sieve.
   • The performance of the sieve is also governed by the standard, ensuring that it can accurately and consistently perform particle size analysis.

4. Certification and Calibration:

   • ASTM E11 requires that test sieves be certified or calibrated to ensure they meet the specified standards.
   • Certification ensures that the sieve has been tested and verified to perform within the allowable tolerance limits.
   • Regular calibration is necessary to maintain the accuracy of the sieve over time, especially in industrial settings where sieves are used frequently.

5. Application in Industry:

   • ASTM E11 is widely used in industries that require precise particle size analysis, such as pharmaceuticals, construction, and food processing.
   • The standard provides detailed information on the sieve sizes required for specific materials and describes how to perform particle size tests, including sample size, test duration, expected results, and acceptance methods.

6. Comparison with ISO Standards:

   • ASTM E11 is comparable to the ISO 3310-1 standard, which also governs the construction and performance of woven wire test sieves.
   • Both standards aim to ensure uniformity and accuracy in particle size analysis, though they may have slight differences in specific requirements or tolerance limits.

7. Importance of Standardization:

   • Standardization of test sieves is crucial for ensuring consistent and reliable results across different laboratories and industries.
   • By adhering to ASTM E11, manufacturers and users of test sieves can be confident that their equipment meets the necessary quality and performance standards.

In summary, the ASTM E11 standard is essential for the construction, performance, and certification of test sieves used in particle size analysis. It ensures that sieves meet specific quality thresholds, providing accurate and consistent results across various industries. Understanding and adhering to this standard is crucial for anyone involved in the selection, use, or maintenance of test sieves.

Summary Table:

Key Aspect	Details
Standard	ASTM E11 governs woven wire test sieves for particle size analysis.
Mesh Size Range	150mm (6 inches) to 5µm (0.0002 inches).
Permissible Variations	Defines allowable mesh weave variations for uniformity and accuracy.
Construction	Ensures quality thresholds for materials, mesh precision, and durability.
Certification	Requires certification and calibration for accuracy and performance.
Applications	Used in pharmaceuticals, construction, food processing, and more.
Comparison with ISO	Comparable to ISO 3310-1, with slight differences in requirements.
Importance	Ensures consistent and reliable particle size analysis across industries.

Ensure your particle size analysis meets industry standards—contact us today for expert guidance on ASTM E11-compliant sieves!