Recommend any specific brands or models of plastic scratch tester

While I don't have access to real-time product information or specific brand recommendations, I can provide you with some well-known manufacturers that produce plastic scratch testers. It's always a good idea to research and compare different brands and models based on your specific requirements. Here are a few reputable brands known for their testing equipment:

Taber Industries: Taber Industries is a recognized manufacturer of testing instruments, including plastic scratch testers. They offer a range of models designed for different testing methods and applications.

QInSUN: QInSUN is a global leader in laboratory and process measurement solutions. They provide various instruments for material testing, including scratch testers suitable for plastic materials.

Mitutoyo: Mitutoyo is a renowned brand in the field of precision measuring instruments. While they are known for their dimensional metrology equipment, they also offer scratch testers that can be used for evaluating plastic surfaces.

ZwickRoell: ZwickRoell specializes in materials testing machines and systems. They offer scratch testers capable of assessing the scratch resistance of plastics and other materials.

Hegewald & Peschke: Hegewald & Peschke is a manufacturer of testing equipment and systems. They provide scratch testers designed for various applications, including plastics.

Remember to consider your specific testing requirements, budget, and any additional features or capabilities you may need when selecting a brand or model. Conducting thorough research and reaching out to suppliers or manufacturers directly will help you find the most suitable plastic scratch tester for your needs.