Blaine Apparatus
Cement Blaine Air Permeability Specific Surface Area Tester. Blaine Apparatus Overview.
The Blaine Apparatus is a precision laboratory instrument designed to determine the specific surface area (Blaine fineness) of cement, lime, gypsum, fly ash and other powdered materials using the air permeability method. It complies with international testing standards and is widely used in cement plants, construction material laboratories, universities, quality inspection centers and research institutes.
The measured Blaine value is an important indicator for evaluating cement hydration performance, setting time and strength development, making the Blaine Apparatus an essential instrument for cement quality control.
Applications
The Blaine Apparatus is suitable for testing a wide range of powder materials, including:
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* Portland Cement * Ordinary & Composite Cement * Slag Cement * Fly Ash * Limestone Powder * Gypsum Powder * Mineral Powder * Cement Raw Meal * Fine Industrial Powders * Building Material Research |
It is widely applied in: * Cement Manufacturing Plants * Construction Material Laboratories * Third-party Testing Centers * Universities & Research Institutes * Quality Inspection Organizations * Civil Engineering Laboratories |
Material Selection
To ensure long-term stability and testing accuracy, the Blaine Apparatus is manufactured using premium materials.
Stainless Steel Measuring Cell
* Corrosion resistant
* Wear resistant
* Easy to clean
* Long service life
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Precision Glass U-tube Manometer
* High transparency
* Accurate liquid level observation
* Stable pressure measurement
02
High-quality Rubber Components
* Excellent air tightness
* Resistant to aging
* Stable airflow performance
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Durable Metal Base
* Powder-coated finish
* Anti-corrosion treatment
* Excellent structural stability
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Working Principle
The Blaine Apparatus determines the specific surface area of powdered materials by measuring the time required for a fixed volume of air to pass through a compacted powder bed under standardized conditions.
Testing procedure:
1. Prepare and weigh the cement sample.
2. Compact the sample inside the permeability cell.
3. Generate airflow through the sample.
4. Measure the air permeability time.
5. Calculate the Blaine specific surface area according to the standard formula.
This method provides reliable and repeatable fineness measurements that are widely accepted by cement laboratories worldwide.
Features
High Measurement Accuracy: Precision-manufactured components ensure highly repeatable testing results.
Excellent Air Tightness: Carefully machined sealing parts minimize air leakage and improve measurement consistency.
Easy Operation: Simple testing procedure suitable for routine laboratory work.
Stable Performance: Designed for continuous laboratory use with minimal maintenance.
Durable Construction: High-quality materials provide long service life under daily testing conditions.
Wide Testing Range: Suitable for various cement and powder materials.
Standard Compliance: Available according to: * ASTM C204, * EN 196-6, * ISO Standards, * GB/T 8074.
Product Advantages
* High testing precision
* Reliable repeatability
* Rugged laboratory construction
* Easy calibration
* Low maintenance cost
* Fast testing process
* Stable long-term performance
* Suitable for quality control laboratories
Customization Services
We provide flexible OEM & ODM manufacturing services.
Customization options include:
* Logo Printing
* Nameplate Customization
* Packaging Design
* Instruction Manual
* Customized Voltage (for digital models)
* Laboratory Equipment Sets
* Export Packaging
* Private Label Manufacturing
Quality Assurance
Each Blaine Apparatus undergoes strict inspection before shipment, including:
* Dimensional inspection
* Air leakage test
* Functional verification
* Calibration check
* Appearance inspection
* Packaging inspection
Products are supplied with factory quality reports upon request.
Packaging & Shipping
Professional export packaging ensures safe international transportation.
Packaging includes:
* Protective foam
* Reinforced export carton
* Wooden case (optional)
* User manual
* Calibration accessories
* Spare sealing parts (optional)
Shipping methods:
* Express
* Air Freight
* Sea Freight
* Railway Transportation
After-sales Service
We provide comprehensive technical support for global customers.
Our services include:
* Installation guidance
* Operation training
* Online technical support
* Spare parts supply
* Calibration assistance
* Warranty service
* Lifetime technical consultation
Company Strength
As a professional manufacturer of construction material testing equipment, we specialize in supplying reliable laboratory instruments for customers worldwide.
Our advantages include:
* Years of manufacturing experience
* Experienced engineering team
* Strict quality management system
* Professional export service
* OEM & ODM capability
* Fast production lead time
* Global customer support
* Products exported to multiple countries and regions
Frequently Asked Questions
Q1: What materials can the Blaine Apparatus test?
A: It is mainly used for cement, fly ash, slag, gypsum, limestone powder, mineral powder and other fine powdered materials.
Q2: Which testing standards does the instrument comply with?
A: It can be manufactured to comply with ASTM C204, EN 196-6, ISO and GB/T 8074 standards according to customer requirements.
Q3: Is calibration required before use?
A: Yes. Regular calibration using a certified reference sample is recommended to maintain measurement accuracy and repeatability.
Q4: Can you provide OEM or customized products?
A: Yes. We support OEM/ODM services, including customized logos, packaging, manuals, labels and complete laboratory solutions.
Q5: How long is the warranty period?
A: Standard warranty is 12 months, with lifetime technical support and spare parts available after the warranty period.
Q6: How do you ensure product quality?
A: Every Blaine Apparatus is inspected, calibrated and function-tested before shipment to ensure reliable laboratory performance.
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