ASTM D6279: High Gloss Coating Rub Abrasion Mar Testing Services
ASTM D6279-15 test method is used to determine the relative mar resistance of a series of high gloss coatings applied to a flat, rigid surface. Two methods, Wet rub and dry rub are used to fully characterize a coating’s mar resistance.
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- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
What Is ASTM D6279 High Gloss Coating Rub Abrasion Mar?
ASTM D6279-15 is a standardized test method used to determine the mar resistance of high-gloss coatings on products such as automobiles, boats, and toys. The coatings are subjected to conditions that may affect their surface appearance during manufacturing.
This test predicts the coating’s resistance to surface marring by measuring the gloss retention of the abraded and unabraded surfaces. The resistance of a layer to mar is directly related to its ability to maintain gloss after abrasion.
Applications and Benefits of ASTM D6279 High Gloss Coating Rub Abrasion Mar Testing
Scope
ASTM D6279-15 evaluates:
- Resistance of high gloss coatings to surface marring
- Gloss retention after dry and wet abrasion
- Performance comparison between different coating systems
- Effect of abrasion on coating appearance
- Surface durability under simulated service conditions
The method applies to uniformly coated test panels with controlled surface texture.
Applications
- Automotive exterior and interior coatings
- Marine coatings for boats and yachts
- Consumer product finishes (toys, appliances)
- Coating formulation development
- Quality control testing
- Research and development
- Performance benchmarking
Benefits
- Quantitative measurement of mar resistance
- Predicts long-term appearance durability
- Enables coating performance comparison
- Supports product design decisions
- Improves coating formulation quality
- Standardized and repeatable methodology
- Enhances customer satisfaction through durability testing
Our ASTM D6279 Testing Procedure
Panel Preparation & Curing
The coating is applied uniformly, and the panels are dried or cured under controlled conditions.
1Abrasion Treatment
Panels are marred using dry media, wet media, or both over a defined area.
2Control Selection & Gloss Measurement
An unabraded area is retained; gloss is measured on both the unabraded and the glossed areas.
3Mar Resistance Calculation
Percent gloss retention is calculated to determine mar resistance.
4ASTM D6279 Test Parameters and Requirements
| Parameter | Details |
|---|---|
| Applicable Materials | High gloss coatings |
| Specimen Size | 101.6 × 152.4 mm (4 × 6 in.) |
| Optional Panel Size | 101.6 × 304.8 mm (4 × 12 in.) |
| Number of Specimens | Minimum two panels per coating |
| Recommended Colour | Black coatings for consistency |
| Measurement Output | Percent gloss retention |
| Measured Property | Mar resistance |
- Gloss meter
- Abrasion testing apparatus
- Coating application tools
- Drying/curing chamber
- Sample holding fixtures
- Measuring templates
- Data analysis software
Equipment and Instrumentation Used for ASTM D6279 Testing
What You Receive: Test Report, Data, and Certification
- Percent gloss retention values
- Mar resistance ratings
- Comparative coating performance data
- Test reports for quality control
- Appearance durability assessment
ASTM D6279 High Gloss Coating Rub Abrasion Mar FAQs
ASTM D6279 determines the relative rub abrasion and mar resistance of high-gloss coatings. Mar resistance is evaluated by measuring the coating's ability to retain gloss after abrasion compared with the unabraded surface.
The method is intended for high-gloss coatings applied to flat, rigid surfaces. It is particularly relevant to coatings used on products such as automobiles, boats, toys, and other applications where maintaining surface appearance is important.
Yes. ASTM D6279 includes wet-rub and dry-rub abrasion tests. The standard indicates that both should be performed when a more complete characterization of a coating's mar resistance is required.
Mar resistance is assessed by comparing the gloss of the abraded area with the gloss of the unabraded area. A coating that retains more of its original gloss after rubbing demonstrates better relative mar resistance.
Yes. The method is primarily intended for relative performance ranking among coatings tested under comparable conditions. The resulting mar-resistance values do not have absolute significance, so comparisons between laboratories should be made cautiously and preferably with a common reference standard.
Why Choose Infinita Lab for High Gloss Coating Rub Abrasion Mar 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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