ASTM D523 Gloss Testing with Linshang LS196 Gloss Meter Malaysia
ASTM D523 Gloss Testing with Linshang LS196 Gloss Meter Malaysia
Gloss measurement is widely used in manufacturing and quality control to evaluate the appearance of painted, coated and finished surfaces.
One of the commonly referenced standards for specular gloss measurement is ASTM D523.
The Linshang LS196 Gloss Meter is designed in accordance with recognised gloss measurement standards including ASTM D523. With a 60° measurement angle and a wide 0–1000 GU measurement range, it is suitable for many industrial QA/QC applications.
What Is ASTM D523?
ASTM D523 is a standard test method used for measuring the specular gloss of nonmetallic specimens.
Instead of relying only on human visual judgement, gloss measurement provides a numerical value expressed in Gloss Units (GU).
This allows manufacturers to establish measurable surface-quality requirements.
Why Is ASTM D523 Important?
Imagine two suppliers providing painted components to the same factory.
Supplier A describes the finish as:
"High Gloss Black."
Supplier B also describes its finish as:
"High Gloss Black."
However, the two components may not look identical when installed next to each other.
A defined gloss measurement procedure provides a more objective method for comparing the surfaces.
This is particularly useful for:
Supplier quality control
Incoming inspection
Production QC
Batch comparison
Customer specifications
Final inspection
60° Gloss Measurement
The Linshang LS196 uses a 60-degree measurement geometry.
The 60° geometry is widely used for general gloss measurement and is applicable to many common industrial surfaces.
Before performing measurements for contractual or certification purposes, users should always confirm the exact test method, geometry and requirements specified by their customer or applicable standard.
What Materials Can Be Tested?
Depending on the applicable testing requirement and suitability of the surface, gloss measurement can be used for products such as:
Paint
Industrial coatings
Plastic
Automotive finishes
Furniture coatings
Ceramic products
Decorative surfaces
Coated panels
Manufactured components
The LS196's wide measurement range also makes it useful where highly glossy surfaces are encountered.
Why the LS196 Offers Up to 1000 GU
One important feature of the Linshang LS196 is its 0–1000 GU measurement range.
Some ordinary surfaces may fall comfortably within conventional gloss ranges.
However, highly polished or reflective materials can generate much higher readings.
A wider range gives QA/QC departments greater flexibility when inspecting different products with one instrument.
How to Perform Consistent Gloss Measurements
For reliable comparison, measurement conditions should be standardised.
Step 1 – Prepare the Surface
Ensure the measurement area is clean and free from:
Dust
Fingerprints
Oil
Moisture
Loose contamination
Step 2 – Check the Instrument
Check the LS196 and perform calibration according to the manufacturer's instructions when required.
Step 3 – Define the Measurement Location
Use consistent measurement points.
If the product is large, establish several fixed inspection locations.
Step 4 – Take the Measurement
Place the instrument properly against the surface and avoid tilting or moving it during measurement.
Step 5 – Record the GU Value
Record the measurement result together with relevant information such as product, batch and inspection location.
Step 6 – Compare With the Specification
Compare the reading against an approved sample or predetermined acceptance range.
Use Multiple Measurement Points
One reading may not represent an entire surface.
For production QC, it may be better to measure several points.
For example:
Point A → 1st measurement
Point B → 2nd measurement
Point C → 3rd measurement
This approach can help identify uneven coating, polishing or surface treatment.
Establish a Golden Sample
For manufacturers without an existing numerical gloss specification, an approved golden sample can provide a practical starting point.
Measure the approved product and record its gloss values.
Future production can then be compared against an established acceptable range.
Over time, the company can develop a more systematic internal gloss-control specification.
QC Mode for Production Inspection
The Linshang LS196 includes a QC mode that can assist with routine inspection.
Once appropriate acceptance limits are established, operators can quickly evaluate production samples against the required range.
This can be particularly useful in factories where many samples need to be inspected every day.
Data Recording and Traceability
The LS196 supports computer connection and measurement data transmission.
Measurement results can be exported for further processing and documentation.
This can help QA/QC departments maintain:
Batch inspection records
Supplier quality records
Customer reports
Process-control data
Historical measurement results
If a quality issue occurs later, historical gloss data can provide useful information for investigation.
ASTM D523 and Other Gloss Standards
Besides ASTM D523, the Linshang LS196 is designed according to other recognised gloss measurement standards including:
ISO 2813
ASTM D2457
DIN 67530
The applicable standard should always be selected according to the material, industry and customer requirement.
Linshang LS196 for Malaysian QA/QC Applications
The LS196 can be useful for Malaysian manufacturers involved in paints, coatings, plastics, automotive components, furniture, ceramics and other industries where surface appearance needs to be controlled.
Its combination of 60° measurement geometry, 0–1000 GU range, QC functionality and data management capability makes it a practical instrument for industrial gloss inspection.
Looking for Linshang LS196 Gloss Meter in Malaysia?
MTM Precision supplies professional testing and measurement instruments for industrial manufacturing, laboratory and QA/QC applications.
Contact us with your material, application and required testing standard, and we can assist you in selecting a suitable gloss measurement solution.
Contact MTM Precision
MTM Precision Sdn. Bhd.
Showroom & Service Centre
No. 29-1 & 29-2, Jalan Bandar 18,
Pusat Bandar Puchong,
47160 Puchong, Selangor, Malaysia
🌐 Website: www.mtmpre.com.my
📧 Email: mtmpre@yahoo.com
📱 WhatsApp: +6016-660 7346
15 Aug 2026
