MaTestLab > Test Standards > ASTM D7027 Standard Test Method for Evaluation of Scratch Resistance of Polymeric Coatings and Plastics
Last updated 17th November 2025
ASTM D7027 Standard Test Method for Evaluation of Scratch Resistance of Polymeric Coatings and Plastics
ASTM D7027 describes the procedure for assessing the scratch resistance of polymers using an instrumented scratch machine. The ASTM D7027 method is automated, with the scratch induction and data recording processes managed by the machine. By simulating scratch scenarios, ASTM D7027 facilitates the identification of surface damage that polymeric coatings or plastics may encounter during their service life. ASTM D7027 enables a comprehensive analysis of polymer scratch resistance, providing valuable insights into material performance essential for informed decision-making in material selection and design processes.
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ASTM D7027 Introduction
ASTM D7027 outlines the utilization of an instrumented scratch machine to systematically induce and measure surface damage in a controlled environment. By employing ASTM D7027, it becomes feasible to assess the scratch resistance of polymers through the evaluation of various material parameters. Specimens undergo scratch tests for multiple purposes, including assessing the scratch resistance of individual materials, comparing and ranking the scratch resistance among different materials, and determining the scratch coefficient of friction for materials. In essence, ASTM D7027 enables a thorough examination of polymer scratch resistance, offering insights into material performance crucial for decision-making in material selection and design processes.
Get Certified ASTM D7027 for Reliable Scratch Testing
ASTM D7027 certification is a sign of appropriate technical competence and compliance with standardized tests. It guarantees uniformity and repeatability of research outcomes in laboratories and offers confidence in the scratch resistance of the material. Companies that have adopted ASTM D7027 processes are able to enhance the formulation of the materials, enhance the quality of the products, and be in accordance with the business specifications. The certification improves the quality control, research, and product validation procedures.
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ASTM D7027 Testing Procedure and Requirements
Critical Normal Load Evaluation
The scratch inflicted on the specimen involves applying a normal load ranging from 2 to 50 N across a distance of 0.1 m, maintaining a consistent scratch rate of 0.1 m/s.
Evaluation of Scratch Coefficient of Friction
At a constant normal load of 30 N, the scratch is administered over a specified distance at a steady scratch rate. The surface subjected to scratching can undergo visual inspection or be analyzed using specialized tools to assess the extent of surface damage.
Scope of ASTM D7027
Assesses aesthetic, functional, and protective scratch resistance.
Gives standardized and reproducible scratch testing procedures.
Funds quality control, research, and product development.
Applicable to both coating thin films and bulk plastic samples.
Provides a comparison of the results to laboratories and material type.
ASTM D7027 Equipment and Sample Preparation
Specimen Details
ASTM D7027 has applicability across a range of polymeric coatings.
Specimen Size
Plastic samples or polymeric coating, Flat, clean, free of contaminants. Typical size is 50100 mm square, or that which meets the needs of the test instrument.
Specimen Dimensions
Typical size: 50–100 mm square or according to test instrument requirements
Use of ASTM D7027
Polymeric coating and plastic product quality.
Relative analysis of material composites and surface finishes.
Determination of protective coatings against mechanical wear.
Funding of high-performance coating and plastic research and development.
Aesthetic and functional durability checking of the product.
Universal Problems and Troubleshooting of ASTM D7027.
Common Challenges and Troubleshooting in ASTM D7027
Testing has the challenge of maintaining uniform conditions, such as a uniform loading force and environmental parameters. These include the following solutions: proper preparation of specimens, calibration of the scratch tester, and standardised methods of testing. The appropriate training of the operator and the control of the testing conditions will make it possible to obtain reproducible results.
ASTM D7027 Scratch Testing Technique, Process, and Data Collection
Specimens are scratched under controlled load, and the scratches are measured in terms of width, depth, or critical load. The data is measured, and statistical analysis can be used to measure variability and material performance. Data collection is precise and reproducible because of the high-resolution imaging or software data collection.
Analysis Results and Interpretation for ASTM D7027
The outcomes show the scratch toughness of the material, detect weak spots of the coating or plastics, and enable comparison of materials. It is important to properly prepare the specimen and conduct controlled testing to have the right interpretation.
Problem & The Solution for ASTM D7027
Inconsistency in scratch results may arise due to surface defects, irregular loading, or uncleanness. Implementing automated scratch, proper personal protective equipment, securely fixed test material, regularly calibrated equipment, a controlled environment, and proper recording of test conditions for repetition and traceability can fix these problems.
Factors to Consider for ASTM D7027
Speed: Automated scratch testers have uniform testing with decreased variability of operators.
Expertise: Competent technologists will make sure that the specimen is properly prepared and tested, and data interpreted.
Cost: ASTM D7027 testing is economical and gives critical information for product strength, quality control, and material development.
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How much do I need to pay for the astm d7027 test?
Please contact us for a detailed quote for your astm d7027 testing needs. Cost incurred to carry out different astm d7027 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.
How many samples are required for astm d7027?
The required number of samples or specimens should comply with the procedure given in the astm d7027 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
How much discount can I get on the astm d7027 test?
MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.
How many days will it take to complete the astm d7027 test?
The turnaround time for astm d7027 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the astm d7027 tested?
You can share your astm d7027 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm d7027 test to various testing techniques.
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