NABL Accredited • ISO/IEC 17025:2017

Painting & Coating Properties Testing for Automotives

Precision painting coating properties testing that proves your automotive finish can survive stone chips, UV fade, salt exposure, and years of road stress — before a single panel leaves the paint shop.

500+ Panels

TESTED & CERTIFIED

8+

COATING TEST TYPES

SAE J400

AUTOMOTIVE STONE-CHIP STANDARD

NABL

ACCREDITED REPORTS

Why It Matters

What Is Painting & Coating Properties Testing?

A vehicle’s paint finish isn’t just about looks — it’s the first line of defense against stone chips, UV fade, road salt, and years of daily abuse. Painting coating properties testing puts your automotive coating through the same abuse it will face on the road: adhesion pulls, gravel impact, gloss measurement, and accelerated corrosion — so you know exactly how it will perform in the field, before a single vehicle ships.

At Kiyo R&D Lab, our painting coating properties testing covers cross-hatch adhesion, coating thickness, gloss and DOI, stone chip resistance, corrosion creepage, and color fastness — giving automotive OEMs, paint shops, and component manufacturers the confidence to certify finishes against SAE, ASTM, and ISO automotive coating standards.

This discipline complements the rest of our accredited testing network — mechanical properties testing for structural strength, electrical properties testing for insulation safety, thermal accelerated properties testing for heat durability, chemical corrosion properties testing for rust resistance, and degradation properties testing for long-term weathering — all coordinated through our material testing laboratory so a single coated panel can be validated across every relevant property.

Our Services

Painting & Coating Properties We Test

Eight precision test methods built around automotive coating performance

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01

Cross-Hatch Adhesion Test

Measures how firmly a paint or coating layer bonds to the substrate using a lattice cut pattern.

ASTM D3359 • ISO 2409
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02

Coating Thickness Measurement

Verifies dry film thickness meets OEM specification for uniform corrosion and UV protection.

ASTM D7091 • ISO 2808
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03

Gloss & Distinctness of Image (DOI)

Quantifies visual finish quality — the mirror-like sharpness prized in automotive top coats.

ASTM D523 • ASTM D5767
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04

Stone Chip / Gravelometer Test

Fires abrasive media at coated panels to simulate real road gravel impact on vehicle exteriors.

SAE J400 • ASTM D3170
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05

Corrosion Creepage Test

Evaluates how far rust spreads from a scribe line on a coated panel after salt spray exposure.

ASTM D1654 • ISO 4628
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06

Color Fastness & Fade Resistance

Tracks color shift after UV and weathering exposure to confirm long-term finish consistency.

ASTM D2244 • ASTM D7869
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07

Pencil Hardness Test

Grades scratch and mar resistance of a cured coating using graded pencil leads.

ASTM D3363 • ISO 15184
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08

Custom Coating Test Protocols

Need a test built around your OEM paint specification? We design custom coating validation cycles.

Tailored to Your Standard

Our Edge

Why Automotive Manufacturers Trust Our Coating Testing

🚗

Automotive-Grade Standards

Full SAE J400 gravelometer capability alongside ASTM and ISO coating protocols.

🏅

NABL Accredited

ISO/IEC 17025:2017 certified reports recognized internationally.

⏱️

Fast, Reliable Turnaround

Efficient scheduling that respects your production and launch timeline.

👨‍🔬

Experienced Coating Analysts

Specialists trained across SAE, ASTM, and ISO automotive coating protocols.

Compliance

Standards We Follow

Standard Test Covered Typical Application
ASTM D3359 Cross-Hatch Adhesion Automotive body panels, coated parts
SAE J400 Gravelometer Stone Chip Resistance Vehicle exteriors, underbody coatings
ASTM D7091 Dry Film Thickness Measurement Painted metal & primer layers
ASTM D523 Specular Gloss Measurement Automotive top coats, clear coats
ASTM D1654 Corrosion Creepage Evaluation Painted and coated metal surfaces
ASTM D2244 Color Difference & Fastness Colored coatings, exterior trims
ASTM D3363 Pencil Hardness of Coatings Scratch-resistant finishes

Standard applicability depends on coating type — confirm exact protocol during sample intake. ↔ Swipe to view on mobile

Process

How We Run Painting Coating Properties Testing

The workflow behind every accredited result

1

Panel Prep

Coated sample conditioned per standard requirements

2

Equipment Calibration

Gauges and rigs verified before every test run

3

Test Execution

Adhesion, impact, gloss, or corrosion run

4

Visual & Data Analysis

Results benchmarked against OEM specification

5

Accredited Report

NABL-recognized documentation delivered

Applications

Where Painting Coating Properties Testing Matters Most

Automotive and industrial segments that rely on our painting coating properties testing before releasing a finish

🚗 Automotive OEM Body Panels 🔧 Automotive Components & Trims 🏍️ Two-Wheeler & Commercial Vehicles 🏗️ Industrial & Powder Coatings 🏠 Appliance & Furniture Coatings ✈️ Aerospace Exterior Coatings

Locations

Where We Serve

MAIN LAB

📍 Chitlapakkam, Chennai

Our primary coating testing facility, equipped with gravelometers, gloss meters, and salt spray chambers for full-range painting coating properties testing.

SECOND LAB

📍 Oragadam, Sriperumbudur

Positioned in Chennai’s automotive manufacturing corridor, offering rapid-turnaround painting coating properties testing for OEMs and paint shops.

Request Painting & Coating Properties Testing Services in Chennai

Share your coating details — our painting coating properties testing team responds within 24 hours.

Or reach us directly: Call Us  |  WhatsApp Us

FAQ

Frequently Asked Questions

What does painting coating properties testing actually verify?

It verifies that a paint or coating system will hold up against adhesion loss, stone chips, fading, and corrosion once the vehicle or part is in service — giving OEMs and paint shops confidence before a finish goes into full production.

What is a gravelometer test and why does it matter for automotive coatings?

A gravelometer fires abrasive stone media at a coated panel to simulate road gravel impact. It’s critical for automotive coatings because chipped paint exposes bare metal to corrosion — SAE J400 is the industry-standard method we follow.

Can you test both OEM production coatings and aftermarket refinishing?

Yes — our painting coating properties testing supports OEM production-line specifications as well as aftermarket and refinish coating validation, tailored to whichever standard your business works to.

How long does painting coating properties testing take?

Duration depends on the test — adhesion, gloss, and hardness checks can often be completed within a day, while corrosion creepage or extended color fastness studies may take longer. We’ll confirm an exact timeline during sample intake.

Make Sure Your Finish Survives the Road Ahead

Get accredited painting coating properties testing data from a lab built for automotive precision and speed.

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