Sensor Instruments
Entwicklungs- und Vertriebs GmbH
Schlinding 15
D-94169 Thurmansbang
Telefon +49 8544 9719-0
Telefax +49 8544 9719-13
info@sensorinstruments.de

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What is opacity?

Opacity is a measure of the light impenetrability of optically turbid materials and generally means the opposite of transparency.

Physically opacity (turbidity) has the following relation to transmission (transparency):

NEWS

Participation at trade fairs:

•   PRWE North America 2025
•   PRS India 2025
•   PRS Europe 2026
• Textiles Recycling Expo 2026

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Innovation highlight presented
at K 2025:

	Realized with strong partnerships: Digital Product Passport (DPP) in Plastics Processing

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Specialist article:

Automatically Adjusting to the Desired Color
Constant Recyclat Color Values through Inline Measurement
Plastics Insights 05/2025

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Video:

Sensor systems for the plastics recycling industry
Color measurement of recyclates

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Specialists article:

Testing Recyclates Directly during Injection Molding and Extrusion
NIR Process for the Inline Inspection of Recycled Plastics
Plastics Insights 3/2024

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Whitepapers:

	Sensor systems for recyclate control in the plastics industry for laboratory and inline use
	Checking the plastic type of recyclates and virgin material using NIR technology

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Applications:

	Detection of dents and bumps on metal punching strips (N° 801)
	Differentiation of leather, fabric and synthetic interior components (N° 802)
	Plastic cap color measurement (N° 803)