ASTM E303: Surface Friction British Pendulum Testing Services
ASTM E303 – 93 Test Method provides a measure to determine the relative effects of various polishing processes on materials or material combinations. The values measured, BPN = British Pendulum (Tester) Number for flat surfaces and polish values measurements on curved laboratory specimens from accelerated polishing-wheel tests.
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- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
What Is ASTM E303 Surface Friction British Pendulum?
ASTM E303 – 93 is a standard test method used to evaluate the microtexture and slip/skid resistance of a surface. It uses the British Pendulum Tester (BPT), a portable, dynamic impact device that measures energy loss as a rubber slider edge is propelled across a test surface.
Applications and Benefits of ASTM E303 Surface Friction British Pendulum Testing
Scope
ASTM E303 – 93 outlines procedures for determining surface friction characteristics using a pendulum-type device. It evaluates:
- Skid resistance value (SRV)
- Surface friction under wet conditions
- Micro-texture characteristics of surfaces
- Relative safety performance of surfaces
Applications
- Pedestrian walkways and stairways
- Flooring materials (tiles, stone, coatings)
- Road and runway surface evaluation
- Safety audits of public spaces
- Research and quality control of surface treatments
Benefits
- Simple and portable test method
- Provides direct measurement of surface slip resistance
- Suitable for field and laboratory testing
- Helps assess pedestrian and traffic safety
- Applicable to a wide range of surface materials
Our ASTM E303 Testing Procedure
Surface Preparation
Clean and condition the test surface; wet if required by the test condition.
1Instrument Setup
Level and calibrate the British Pendulum Tester using standard procedures.
2Test Execution
Release the pendulum so the rubber slider contacts the test surface.
3Reading & Averaging
Record the British Pendulum Number (BPN) and calculate the average value.
4ASTM E303 Test Parameters and Requirements
| Parameter | Details |
|---|---|
| Test Instrument | British Pendulum Tester (BPT) |
| Slider Material | Standard rubber slider |
| Test Condition | Dry or wet surface |
| Output | British Pendulum Number (BPN) |
| Test Location | Laboratory or field |
- British Pendulum Tester
- Standard rubber slider
- Water spray or wetting system
- Surface leveling and alignment tools
- Data recording sheet or digital logger
Equipment and Instrumentation Used for ASTM E303 Testing
What You Receive: Test Report, Data, and Certification
- British Pendulum Number (BPN) value obtained
- The average slip resistance of the surface is reported
- Comparison with safety or specification limits
- Identification of low-friction or hazardous surfaces
ASTM E303 Surface Friction British Pendulum FAQs
ASTM E303-93 is a standard test method used to measure surface frictional properties using a British Pendulum Tester, evaluating skid resistance of pavements and flooring surfaces under controlled conditions.
ASTM E303-93 is important because it helps assess slip resistance of roads and walkways, improving safety by reducing accidents caused by low friction, especially in wet conditions.
ASTM E303-93 measures friction by swinging a rubber slider across a surface and recording energy loss, which correlates with surface skid resistance and friction characteristics.
ASTM E303-93 requires a British Pendulum Tester, rubber slider, calibrated scale, and properly prepared surface to ensure accurate and repeatable friction measurements.
ASTM E303-93 results are reported as British Pendulum Number, indicating surface friction level, where higher values represent better skid resistance and improved safety performance.
Why Choose Infinita Lab for Surface Friction British Pendulum Testing
At the core of this breadth is our network of 2,000+ accredited laboratories across the USA, offering access to over 10,000 testing methods and analytical services. From advanced materials characterization (SEM, TEM, RBS, XPS) to mechanical, chemical, environmental, biological, and standardized ASTM/ISO-compliant testing, we deliver unmatched flexibility, specialization, and scale. You are never limited by geography, facility, or methodology — Infinita Lab connects you to the right expertise and testing solution, every time.
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