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Novo-Curve 4 Application Notes – Gloss Measurement Of Moulded Plastic Parts
Overview
Gloss has been defined as ‘The attribute of surfaces that causes them to have shiny or lustrous, metallic appearance.’
Manufacturers design their products to have maximum consumer appeal. Traditionally, a high gloss finish is often perceived to be a higher quality product and can therefore command a price-premium.
It is for these reasons that many manufacturers monitor the gloss of their products to ensure batch-to-batch consistency of their products.
Method
Example – Evaluating high clarity blister packs
STEP 3: Different values were measured along the measuring beam axis (sample in line with axis) to values measured across the sample (sample at 90 degrees to measurement axis).
Results
Example – Blister Packs
Conclusion
Observations of results
It was possible to obtain accurate peak (actual) gloss measurements for each part.
It may also be useful to consider a custom location adaptor for the samples, this can be 3d printed to suit each part which should improve accuracy due to improved location.
Features of the Novo-Curve
Simple checking of curved surfaces
For curved surfaces, the correct gloss value is the peak value identified on the sample. Continuous read mode on the Novo-Curve 4 greatly simplifies this process.
Certainty of measurement
For improved gloss control, calibrate on a standard that matches closest to your sample. Additional standards are available from matt to mirror finish.
Repeatable sample positioning
Hands free sample measurement
The optional footswitch enables the user to easily manipulate the sample for measurement.
Measurement of small samples
Measure samples too small to be measured with a standard glossmeter.
Custom Part Adaptors
For an exact fit for small complex shapes, a custom cutout enables the sample to measured in exactly the same spot each time.
Related products
Concrete Clarity Meter (CCM)
- Industry standard Concrete Clarity Meter
- Measures Gloss, Haze and DOI of polished concrete
- 20/60˚ Glossmeter for high gloss finishes
- Compatible with concrete polishing standards
Novo-Curve 4 Glossmeter
- Benchtop glossmeter, Measures at 60°
- Suitable for both curved & flat surfaces
- Precise measurement of small areas & irregular shapes
- Custom adaptor jigs available
- To ensure accurate and reliable results, the Novo-Curve 4 Glossmeter is supplied with standards calibrated and certified according to ISO 17025 UKAS
Novo-Gloss 20/60/85 Glossmeter with Haze to ASTM E430
- 20/60/85° gloss meter for matt to mirror finishes
- Haze measurement to ASTM E430
- Full statistical analysis with trend graphs
- Does the surface to be measuring have texturing?
Novo-Gloss 45 Glossmeter
- 45° glossmeter for all gloss applications
- Specialist angle for the measurement of films and ceramics
- Full colour easy to read screen
- Easy reporting
