Industries Served
Industries and Applications We Support
Since 1989, Lotar LLC has provided trusted surface energy and surface tension testing solutions for manufacturers and quality control professionals across North America and Mexico. As the original test ink and test pen manufacturer, our family- and woman-owned business brings 38 years of industry experience to customers who depend on precision, consistency, and reliable testing results.
We supply quality test inks and test pens with values ranging from 18.4 to 105 dynes/cm to support a wide variety of surface testing applications, including:
- Metal cleanliness testing
- Plastic surface testing
- Printing and adhesion testing
- Surface tension and surface energy measurement
- Quality control and process verification
- Coating, painting, gluing, and bonding preparation
- Textile and substrate testing
Our products help customers evaluate surface readiness, identify contamination issues, verify cleaning and treatment processes, and improve adhesion performance across a range of industrial and manufacturing environments, including the medical, packaging, and automotive industries. Every product is backed by our 6-month pen shelf-life guarantee and 6-month ink shelf-life guarantee, giving customers confidence in the accuracy and reliability of their testing materials.
Whether you need testing products for metals, plastics, textiles, or other substrates, Lotar is committed to delivering quality products and exceptional service.
Request a free quote today and receive expert recommendations within three days to help you find the right solution for your application.
