Introduction
A drying time recorder is an instrument used to record the drying time of the paints, the coatings, and the inks, by the observation of the changes in the film during the drying, and it is used in the paint, the coating, the ink, and the many other industries for the quality control and the product development. The drying time recorder consists of a test bed or a track, on which the coated panels are placed, a moving carriage with the needles or the styli, which travel over the coated film at a controlled speed, and a timer, and it records the stages of the drying, such as the set-to-touch, the surface-dry, the through-dry, and the hard-dry, by the observation of the marks and the tracks left by the needles in the film at the different times, and the drying times are determined from the distance traveled; the drying time recorder is used for the determination of the drying time of the paints and the coatings, for the assessment of the drying behavior, for the quality control, for the product development, for the comparison of the formulations, and for many other applications, and it is available as the manual and the automatic models, with features such as the multiple tracks and the digital timing; the drying time recorder is an essential instrument for the drying time measurement. Drying time recorders are used in the paint and the coating industry, in the ink industry, in the laboratories, in the research, and for many other applications. With their drying time recording, drying time recorders are essential for the coating testing.
Linear Drying Time Recorder LLDT-T2011
Linear Drying Time Recorder features a styli diameter of 2mm ± 0.05mm, ensuring accurate stylus pressure for drying time measurement. It has a motor drive system for maintaining consist...
Linear Drying Time Recorder LLDT-T2010
Linear Drying Time Recorder features testing speeds of different ranges adjustable for varied application. The recorder is equipped with advanced an Our linear drying time recorder has s...
Standards
ISO 9117-1:2009-Paints and varnishes-Drying tests-Determination of through-dry state and through-dry time
Complies with the above standards, but is not limited to them.
Features
1. Drying time recorder for measuring drying/curing time and stages of paints, coatings, inks and adhesives.
2. Mechanical or electronic instrument tracking a stylus through curing film to record wet-to-dry transitions.
3. Suitable for paint, coating, ink, adhesive, construction, research and quality control laboratories.
4. Includes recorder, stylus, test panels/strips, drive mechanism, timer, scale and operation manual.
5. Supports drying time measurement for architectural paints, industrial coatings, inks, adhesives and sealants.
FAQ
Q1: What testing scenarios is this recorder mainly applied to?
A: The drying time recorder is used in paint and coating manufacturing, ink production, adhesive/sealant manufacturing, construction materials, research, and quality control laboratories to measure the drying time and drying stages (set-to-touch, tack-free, dry-hard, dry-through) of paints, coatings, inks, adhesives, and film-forming materials using a stylus moving at constant speed through a curing film. It supports architectural paints (latex, alkyd, enamel - recoat window and handling time), industrial coatings (automotive, coil, can, wood, UV-curable - cure schedule validation), inks (offset, flexo, gravure, UV - drying speed affects print throughput), adhesives/sealants (caulks, adhesives - cure time), construction coatings, and QC (formulation, raw material evaluation, batch consistency, specification verification).
Q2: What standards does the recorder comply with?
A: The drying time recorder follows ISO 9117 (drying time of paints and varnishes, Part 5: mechanical recorder method), ASTM D5895 (drying/curing of organic coatings by mechanical recorder), ASTM D1640 (drying/curing of organic coatings), DIN 53150, and GB/T standards. Calibration uses certified timer and reference coatings. For regulated industries, follow ISO 9001/GMP and maintain records.
Q3: What is the warranty period for the whole recorder and key components?
A: The whole drying time recorder is covered by a 12-month warranty. The drive mechanism, stylus, timer/controller, and housing are covered, while stylus, test panels/strips, and cleaning supplies are consumables/accessories. Damage from spillage, motor failure, dropping, or unauthorized repair is excluded. Extended warranty may be available. With proper care, recorders last 5-10 years.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained lab personnel. We provide manuals and training. Proper setup (level recorder, set stylus speed based on expected dry time), sample prep (clean test strip, apply specified film thickness with applicator), test execution (place strip, lower stylus, start recorder, run full duration without disturbance), evaluation (examine stylus track to identify drying stage transitions, correlate position to time), post-test (clean stylus immediately, remove strip), maintenance (regular cleaning, stylus replacement, drive lubrication, speed calibration every 6-12 months), and safety (PPE, ventilation for solvents, pinch hazard from moving mechanism) are important for accurate results.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Calibration verification every 6-12 months: stylus travel speed (stopwatch + ruler), timer accuracy, stylus weight/force, and test strip dimensions. Routine functional check before each use. For ISO 17025/GMP labs, maintain records. Drying time is highly environment-dependent (temp, humidity, air flow) - control and record conditions for each test.
Q7: Are supporting consumables universal?
A: Stylus (replacement, model-specific), test panels/strips (glass/metal/plastic, standard or specific), applicators (drawdown bars, standard), reference coatings, cleaning supplies, and power cord are available from paint/lab supply companies, though stylus and strips may be recorder-specific. Long-term cost is minimal.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes stylus speed (fixed 6/12/24 hr or variable), number of stylus (single or multi), stylus type/weight, test strip material/size, control (mechanical or digital with data logging), evaluation (manual or automated image analysis), accessories (reference coatings, stylus, strips, environmental chamber, calibration certificate), and certifications. Additional accessories can be ordered separately.
Q9: Does the purchase include on-site installation and commissioning service?
A: Standard delivery includes recorder, stylus, test strips, applicator, power cord, and manual. On-site installation is minimal (bench placement, power). On-site training can be arranged at additional cost. Remote guidance is provided.
Q10: What types of samples are compatible with this equipment?
A: The drying time recorder measures drying/curing of film-forming liquids including architectural paints (latex, alkyd, enamel, primers), industrial coatings (automotive, coil, can, wood, marine, UV-curable), inks (offset, flexo, gravure, UV, screen), adhesives/sealants (caulks, adhesives, sealants), construction coatings, and other film-forming materials. NOT compatible with dry powders, extremely fast-drying materials (<1 min), 100% reactive solids that do not form a trackable film, and materials requiring bake cure (unless oven-integrated or tested after bake).
Tips: For more details, quotes and customized solutions, please contact us anytime. We’re always ready to serve you professionally.


