Introduction
A lastometer is an instrument used to measure the strength and distension of leather, and it is used in the leather industry for quality control, for grading leather, and for product development. The lastometer measures the strength of the leather by clamping a circular sample of the leather and distending it with a spherical probe or ball, which is pressed against the sample until the leather bursts; the instrument measures the force required to burst the leather and the distension of the leather at the point of bursting, and the results indicate the strength and elasticity of the leather, and the test follows standardized procedures, such as the international standard for measuring the burst strength of leather; the lastometer provides quantitative data on the strength of the leather, which is important for leather used in shoes, garments, upholstery, and other products, and it is also used for measuring the softness of leather, since the distension at a lower force indicates the softness. Lastometers are used in tanneries for quality control of finished leather, for grading leather by strength, for testing the strength of leather for shoes, garments, and upholstery, for evaluating the effect of tanning and finishing processes, for research and development, and for specification compliance, and they are available as bench-mounted instruments with digital displays and precise measurement of the force and distension. With their quantitative measurement of leather strength, lastometers are essential instruments for leather quality assessment.
Digital Lastometer LBLM-T2010
Digital is a floor-standing, metallic finish body designed to assess the anti-cracking index of various leather products. The stainless-steel ball is pushed up against the flesh surface ...
Standards
Complies with the above standards, but is not limited to them.
Features
1. Lastometer for measuring leather softness and distension.
2. Ball-type indentation measurement for leather softness and fullness assessment.
3. Suitable for leather tanneries, footwear, furniture, automotive and quality control.
4. Includes test head, sample holder, scale, controller and operation manual.
5. Supports leather softness measurement for grading, selection and quality control.
FAQ
Q1: What testing scenarios is this lastometer mainly applied to?
A: The lastometer is used in leather tanneries, footwear manufacturing, furniture production, automotive upholstery, leather goods and quality control to measure the softness, fullness and distension of leather using a ball-type indentation method for quality assessment, grading and material selection. It supports leather tannery quality control and grading, footwear leather selection for comfort and fit, furniture and upholstery leather softness assessment, automotive leather quality specification, leather goods manufacturing material selection, and research on leather processing and finishing. The ball indentation method provides an objective measurement of leather softness and fullness, replacing subjective hand evaluation and supporting consistent quality control in leather production and manufacturing.
Q2: What standards does the lastometer comply with?
A: The lastometer follows relevant IULTCS, ISO, ASTM and GB/T standards for leather softness testing, including IULTCS/IUP 136 for leather softness, ISO 17236, and relevant GB/T standards for leather physical testing. The hardware complies with IEC 61010 laboratory safety standards. Calibration should use certified reference leathers or standards traceable to international standards. Users should verify the specific standard for their leather type and application.
Q3: What is the warranty period for the whole lastometer and key components?
A: The whole lastometer is covered by a 12-month warranty. The test head, ball indentation mechanism, sample holder, scale, controller and housing are covered, while sample holders, calibration standards and fuses are accessories or consumables. Damage from improper use or unauthorized repair is excluded. Extended service contracts may be available.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained laboratory personnel familiar with leather testing, sample preparation and measurement technique. We provide operation manuals, training and application support. Proper sample preparation, test head selection, measurement technique, calibration, result calculation and interpretation are important for accurate, reproducible leather softness measurement.
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 with certified reference leathers recommended every 6-12 months. Test head and ball condition checked periodically. Scale and force verification. Routine cleaning and inspection. Full system performance verification annually for accredited laboratories. Sample holder condition verified.
Q7: Are supporting consumables universal?
A: Sample holders, calibration standards, cutting dies and cleaning supplies are available from leather testing suppliers, though instrument-specific parts should be verified. Long-term consumable cost is low.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes ball size, force range, sample size, automation level, data output and accessories. Additional test heads, sample holders and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Standard delivery includes the lastometer and accessories with an operation manual. On-site installation, calibration and training are not included for standard orders but can be arranged at additional cost. Remote guidance is provided.
Q10: What types of leather are compatible with this equipment?
A: The lastometer measures softness and distension of various leather types including cowhide, sheepskin, goatskin, pigskin and other leathers within the thickness, area and softness range specification. Different leather types (full grain, corrected grain, suede, nubuck) may require specific test conditions. Very thin or very thick leathers may require special configuration. Users should prepare representative samples at standard atmospheric conditions (per ISO 2419 for leather conditioning: 20 degrees C, 65% RH), select appropriate test head for the leather type, perform multiple measurements across the sample for representative results, report results with the test method and conditions specified, and compare with product specifications or standards. The leather should be conditioned before testing. The measurement should be performed on the grain side or flesh side as specified. For quality control, establish specification ranges based on product requirements. The test head should be cleaned regularly to prevent residue buildup. The ball indentation should be performed smoothly and consistently. The instrument should be placed on a stable, vibration-free surface. Samples should be handled carefully to avoid creasing or damage before testing. The lastometer provides an objective measurement of softness, but should be used alongside other leather properties (tensile strength, tear strength, flexibility) for comprehensive quality assessment. For automotive and furniture leather, softness specifications are often defined by the manufacturer and should be tested per their requirements.
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