| Range | 450 to 675 µm |
| Difference Between Adjacent Notches | 25µm |
| Overall Dimension | 120mm × 20mm × 20mm |
| Weight | 0.5 KG |
Rapid Result Visualization
Non-Slip Base
Multiple Clearance Range
Sag Point Indicator
Buit-in Measurement Scale
Sagging Tester LSIT-A12 evaluates the flow resistance of wet paint films under gravity. It is widely used in quality control labs, electronics, oil, gas industries, and appliance manufacturing for testing protective coatings on different materials.
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Labtron Sagging Testers evaluate the sag resistance of liquid coatings. These tester features multiple clearance ranges, enabling accurate determination of the maximum non-sagging film thickness across various paint formulations. They are constructed from corrosion-resistant stainless steel, providing durability and maintaining reliable performance even in demanding environments. Our sagging testers are compact and lightweight, making them highly portable for seamless use in laboratories and at field sites.


Labtron Sagging tester LSIT-A12 can be seamlessly integrated into production workflows as a part of routine quality assurance checks. During each batch, technicians can perform drawdowns to confirm that sag resistance remains within acceptable limits. Their compact size and simple operation make them ideal for daily use on the shop floor. This helps in detecting formulation inconsistencies early before they reach packaging or shipping. Integrating sag testing prevents field failures and customer complaints. Results can be logged for traceability and compliance documentation. The speed of testing allows it to align with fast-moving production timelines. It enhances control over product consistency and customer satisfaction.
Labtron supplies premium sagging tester LSIT-A12. Several factors affect a coating's sag resistance, including viscosity, solids content, resin type, and the use of rheology modifiers. Higher viscosity formulations generally resist sagging better but may affect application smoothness. The balance of resins and additives must provide enough structure to hold the film in place during vertical drying. Sagging testers help optimize this balance by identifying the maximum stable thickness. Temperature and humidity also influence sag behavior during application. Testing under controlled conditions helps isolate the effect of formulation parameters. By understanding these variables, manufacturers can fine-tune coatings for better vertical performance. Sagging testers make this process measurable and reliable.
Labtron supplies premium sagging tester LSIT-A12. Non-slip base is essential for maintaining stability during the drawdown process on a sagging tester. It prevents unwanted movement or shifting of the tester, which could lead to uneven film application or inconsistent results. This is especially important when applying coatings of varying viscosities that require smooth, uninterrupted strokes. The base’s firm grip ensures precision in groove filling and stripe alignment. Stability also enhances user safety and operational efficiency. A secured setup reduces testing errors and improves repeatability across different batches. It allows for confident handling during both lab testing and field analysis. As a result, it directly contributes to the reliability of sag resistance evaluations.
Yes, many manufacturers offer customization options for sagging tester LSIT-A12 to meet specific industrial or research needs. Custom groove spacing, alternate notch widths, or different drying panel angles can be configured for specialized applications. This is especially useful in labs dealing with high-viscosity or non-standard coatings where traditional spacing is insufficient. Some testers can also be modified to accommodate automated drawdown systems. Coatings requiring extra-thick film application or unusual flow characteristics may benefit from such tailored equipment. Custom options allow for a broader range of product testing and innovation. These modifications enhance test precision for non-conventional formulations or environments.
Labtron supplies premium sagging tester LSIT-A12. Routine maintenance includes cleaning the notches and applicator after each use to prevent residue buildup, which could affect future test results. Use compatible solvents that won’t corrode the surface of the tester. Store the equipment in a dry, dust-free environment to prevent rust or mechanical wear. Inspect the groove edges periodically for damage or irregularities, which may distort the coating stripe. For metal applicators, ensure they remain smooth and free of nicks that could disrupt drawdowns. Replace worn components as needed to preserve accuracy. Consistent maintenance prolongs the life of the tester and ensures reliable test outcomes. Proper care supports long-term testing precision.
Labtron supplies premium sagging testers. A series of precision-cut notches on a stainless-steel bar form parallel stripes of progressively thicker wet film when drawn across a substrate. Each stripe is visibly distinct and separated by uniform gaps to aid analysis. As the tester moves, the grooves deposit material in graduated layers, allowing direct comparison. This configuration enables users to see exactly which thickness resists sagging. The result is a clear visual pattern that correlates with coating stability. Its design ensures consistency and repeatability across applications. This mechanism makes the tester especially practical in quality assurance labs.
Labtron supplies premium sagging testers. Stainless steel is chosen for its high corrosion resistance, strength, and durability under repeated use. The smooth finish ensures even film application and easy cleaning between tests. This robust construction maintains precision, keeping notch dimensions accurate over time. It resists attack from solvents and coatings, extending tool lifespan. The material supports consistent performance in varied environments, including field sites. It aligns with professional standards expected in industrial and lab settings. This enhances the tester’s reliability and repeatability over long-term use.
Labtron supplies advanced models of sagging tester. Uniform gap markings between the drawn stripes serve as clear separators to distinguish individual thickness zones. They prevent visual confusion during sag assessment and simplify readings. The spacing enhances repeatability, aiding in consistent interpretation of results across operators. It supports quick visual identification of sag points, boosting testing efficiency. Standardized markings also align with international guidelines for film applicators. The design enables easy photographic documentation of sag progression. Together, these features improve both speed and accuracy in coatings evaluation.
Precision-engineered notches and gap spacing ensure each test applies film widths uniformly. The tool's rigid structure prevents bending or misalignment during use. Simple manual operation minimizes operator variation and dependency on power sources. The stainless-steel surface aids cleaning and reduces cross-contamination. Coupled with calibration certification, the design supports traceable accuracy. Guided usage protocols further enhance test consistency. This makes the tester an ideal instrument for accredited labs and production facilities.
Sag testers perform effectively on non porous surfaces such as glass drawdown plates, metal or rigid film cards. Glass offers optical clarity for accurate visual analysis. Film cards simplify documentation and standardization across tests. Metal panels mimic real-world application surfaces, making results more industry-relevant. The tool withstands contact with solvents and coatings during cleaning. This substrate flexibility extends its use from the lab to onsite inspections. Together, these substrates support robust sag evaluation strategies.
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Email: info@labtron.com Whatsapp: +44 73 4441 2688 Phone: +44 2080 043608