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When you need reliable surface testing for a quick test of wettability when processing plastic substrates, the QUICKTEST 38S® Pen from Lotar LLC (now the brand name has changed to Arcotest GmbH Quicktest 38®) delivers consistent, accurate results on whether the substrate has been pre-treated or not. Working with Arcotest GmbH since 1989 under private labeling, Arcotest remains the original manufacturer who has spent nearly five decades perfecting our testing solutions. Lotar has been a part of this for nearly four decades. Lotar Enterprises serves North America and Mexico, providing quality products backed by guarantees you can trust. Reach out to us to learn more about how the QUICKTEST 38® Pen can meet your testing needs. (Also see our Rapidtest 38® for a much less toxic solution.)

Surface testing plays a critical role in quality control and material preparation across numerous industries. Verifying cleanliness before coating, checking surface energy levels, and ensuring proper adhesion all require testing tools that deliver consistent results. The QUICKTEST 38®S Pen provides the precision you need for demanding applications.

• Manufacturing quality assurance processes
• Pre-treatment verification for painting and coating
• Adhesive bonding preparation
• Printing and laminating applications
• Plastic surface evaluation

You'll have the reliability you need when testing matters most.

Lotar is the original test ink and test pen manufacturer. As a family- and woman-owned business with 38 years of experience, we understand what quality means to your operations. We stand behind our products with comprehensive guarantees and responsive service.

• Free quotes within 3 days
• Original manufacturer since 1989
• Nearly four decades of industry expertise
• Family-owned commitment to quality

When you choose us, you're partnering with a company that's built its reputation on delivering products that perform.

Experience the difference that comes from working with the original manufacturer. Whether you're ordering your first QUICKTEST 38®S Pen or restocking your testing supplies, we're here to help. Our team will provide you with a free quote within three business days, and we'll answer any questions you have about our products. Contact us today to get started with your QUICKTEST 38®S Pen order.