BLAIN AIR PERMEABILITY APPARATUS - ISI MARKED

The Blaine Air Permeability Apparatus is designed to meet rigorous standards for determining the fineness of cement, pozzolanas, and similar powdery materials by measuring the specific surface area. Manufactured to comply with IS:4031 (Part 2), IS 5516, ASTM C204, and EN 196-6, it provides precise and reliable results, crucial for laboratory and quality control applications in construction and materials testing industries.

This apparatus is essential for assessing the performance of powdered materials, which can significantly affect the strength, durability, and hydration of cementitious products. It includes a complete set of high-quality, precision components tailored for accurate air permeability testing.

Salient Features:

1. Compliance: Meets IS:4031 (Part 2), IS 5516, ASTM C204, and EN 196-6 standards, ensuring results meet both Indian and International quality norms.
2. High Precision: The apparatus includes components such as a brass permeability cell and an electronic balance, enhancing accuracy in specific surface measurement.
3. Durability and Stability: Made with robust materials, including a wooden stand and brass cell, for long-term stability in laboratory environments.
4. Complete Setup: Available with additional accessories to support thorough testing procedures, providing a comprehensive solution for fineness measurement.

Detailed Specifications:

The Blaine Air Permeability Apparatus includes the following essential parts:

1. Standard Permeability Cell: Precision-made brass cell with a 12.7 mm internal diameter, featuring a perforated metal disc and a plunger for consistent air flow.
2. U-Tube Glass Manometer: Equipped with a rubber coupling for the permeability cell, mounted securely on a stable wooden stand for accurate readings.
3. Latex Rubber Tubing: High-quality, 20 cm tubing for a reliable connection between components.
4. Dibutylphthalate Liquid: 100 ml volume for use in the air permeability test.
5. Suction Bulb: Ensures consistent air flow through the apparatus for accurate measurements.

Additional Recommended Accessories (Available at Extra Cost):

1. Precision Electronic Balance: Capacity of 200g, with an accuracy of 0.001g, suitable for precise sample measurements.
2. Temperature and Humidity Controlled Room: Ideal for maintaining stable test conditions.
3. Standard Weight Box: Ranges from 500g to 1 mg, providing versatility in weight adjustments.
4. Pycnometer: For density and specific gravity measurements.
5. Reagent Grade Mercury: For calibration and accuracy checks.
6. Reference Cement: With known specific surface for calibration purposes.
7. Filter Paper: 12.7 mm diameter, Whatman Grade 40.
8. Stopwatch: Essential for precise timing during tests.

Applications:

1. The Blaine Air Permeability Apparatus (Variable Flow Type) is widely used to determine the specific surface area of powdered materials, particularly in the construction and materials science fields. By measuring fineness, this apparatus ensures the quality and consistency of cementitious materials, impacting their hydration rate and strength development.