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Laboratory Padder
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Laboratory Padder
Mini Lab Dyeing Padder
A Laboratory Padder is a compact, laboratory-scale machine used to apply liquids like dyes, chemicals, and finishes to fabric samples. It simulates the padding process in textile manufacturing, where fabric is passed through a liquid solution, then squeezed between rollers to ensure uniform application and absorption.
Key Features of a Laboratory Padder:
- Adjustable Rollers – The fabric is passed through two or more rollers to apply even pressure and squeeze out excess solution, ensuring uniform chemical or dye application.
- Variable Pressure Control – Allows adjustment of roller pressure for different fabric types and chemical formulations, ensuring optimal penetration without damage.
- Solution Bath – Holds the liquid (e.g., dye, finish, or other chemical treatments) in a bath through which the fabric is dipped before passing through the rollers.
- Fabric Speed Control – Adjustable conveyor speed allows for control over the time the fabric spends in contact with the liquid solution, affecting the degree of treatment.
- Digital Control Panel – Provides easy adjustment of pressure, speed, and solution volume to ensure precise and reproducible results.
- Compact Design – Smaller, lab-scale version of industrial padders, ideal for research, development, and small-scale testing.
- Safety Features – Safety guards, emergency stops, and proper handling mechanisms to prevent accidents during operation.
Applications:
– Dyeing: For even application of dye or pigment on fabric.
– Finishing: Applying finishes like softeners, water repellents, or flame retardants.
– Chemical Treatments: Applying various chemicals used in textile manufacturing, such as anti-microbial treatments or stain-resistant solutions.
– Shrinkage Testing: Simulating treatments to test fabric behavior under different conditions.
Benefits of Laboratory Padder:
- Precise Application of Chemicals – Provides uniform and controlled application of dyes, finishes, and other chemicals, ensuring consistent results.
- Small-Scale Testing – Ideal for small sample testing, allowing for fabric treatment without needing full-scale production equipment.
- Versatile Use – Suitable for dyeing, finishing, and applying various chemical treatments, making it a flexible tool for R&D labs.
- Cost-Effective – Reduces the need for large-scale machinery and the associated costs, while providing reliable results for small batches.
- Controlled Fabric Treatment – Offers adjustable pressure, speed, and solution concentration, enabling fine-tuned processing for different fabric types and applications.
- Accelerates Development – Speeds up the testing and development of new products or finishes, improving time-to-market for textile manufacturers.
- Energy Efficient – Consumes less energy compared to larger, industrial-scale machines, making it suitable for lab use.
- Compact and Space-Saving – Designed for laboratory environments with limited space, without compromising on functionality.
- Reproducible Results – Ensures consistent application of treatments across multiple samples, aiding in accurate testing and comparison.
Features of Laboratory Padder:
- Adjustable Roller Pressure – Allows precise control over the pressure applied to the fabric, ensuring uniform chemical or dye application.
- Variable Speed Control – Adjustable conveyor speed for controlling the time the fabric spends in the solution bath, influencing the absorption rate.
- Solution Bath – Holds dye, chemicals, or finishes, and the fabric passes through this bath before moving to the rollers.
- Digital Control Panel – Easy-to-use interface for setting and adjusting parameters like speed, pressure, and solution concentration.
- Compact and Lab-Friendly Design – Designed for smaller, space-efficient use in textile labs, allowing for small sample testing.
- Roller Gap Adjustment – Allows for fine-tuning of the gap between rollers to regulate the amount of solution squeezed out of the fabric.
- Stainless Steel Construction – Durable and resistant to corrosion from the chemicals used in textile treatments.
- Safety Mechanisms – Includes safety guards, emergency stops, and user protection features during operation.
- Even and Controlled Application – Ensures even distribution of treatments (dye, finish, etc.) on fabric with minimal waste.
- Versatility in Application – Can be used for a wide range of textiles and treatments, including dyeing, softening, flame-retardant treatments, etc.
How to Use a Laboratory Padder:
- Prepare the Fabric Sample – Cut the fabric sample to the required size for the experiment. Ensure it’s clean and free of any debris.
- Prepare the Solution – Mix the dye, chemical, or finish solution according to the desired concentration and the fabric’s needs. Ensure that the solution is homogeneous.
- Set the Parameters – Pressure: Adjust the roller pressure based on the fabric type. Different fabrics require different pressure levels to ensure uniform application. – Speed: Set the fabric conveyor speed depending on the desired treatment time (longer exposure for deeper treatment).
– Roller Gap: Adjust the roller gap to control the amount of liquid squeezed out from the fabric.
- Load the Fabric into the Machine – Place the fabric carefully into the machine. The fabric should go through the solution bath and then pass between the rollers.
- Start the Machine – Turn on the machine and allow the fabric to pass through the rollers. The solution will be evenly applied to the fabric as it moves through the bath and is squeezed by the rollers.
- Monitor the Process – Keep an eye on the fabric to ensure it is being treated uniformly and there are no blockages or fabric jams.
- Unload the Fabric – Once the fabric has been treated, carefully remove it from the machine. Inspect for even application of the solution and any excess liquid.
- Dry or Process Further – Depending on the treatment, proceed with further steps such as drying, heat setting, or curing, as required by the experiment or process.
Safety Tips:- Always wear appropriate personal protective equipment (PPE), such as gloves and goggles, when handling dyes or chemicals. – Ensure the machine is turned off and the rollers are stopped before attempting to remove or adjust the fabric.
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Laboratory Padder
Mini Lab Dyeing Padder
Brand: DUNLIN
Model:PM-A1
Origin: China
Roller position: Vertical
Rollers width :450mm
Rollers diameter:125mm
Rubbers hardness: 70degree shore
Cloth speed: 0-10m/min
Standard pressure: 0.6Mpa
Retained dyestuff ratio: 40-80%
Power supply: 1∮AC 220V 50/60HZ
Dimensions (L x W x H):710 x 600x 1340mm
Standard Accessories
English manual
Certificate of quality.
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Fashion design of high strength tempered glass on the front panel
LED display for easy-reading of speed and time simultaneously
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Brand: Hanna Model: HI2002 Country of Manufacture: Romania Origin: USA
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- Time-Saving Speeds up preparation of solutions and reactions compared to manual stirring and separate heating. Would you like these benefits presented in a slide format or for a product brochure?
Laboratory tenter
Laboratory Tenter
laboratory mini tenter
- Heat-Setting and Drying - Simulates the process of setting fabric dimensions and applying finishes using controlled temperature and tension.
- Fabric Width Control - Uses clips or pins on chains or rails to hold fabric edges and stretch them to desired width, just like in full-size tenters.
- Adjustable Temperature and Speed - Digital controls allow precise setting of drying/curing temperature and conveyor speed to match production conditions.
- Compact Design - Bench-top or floor-standing units suitable for labs with limited space.
- Transparent Viewing Chamber - Allows visual inspection of fabric behavior during processing.
- Versatile Application Range - Can process woven, knitted, and nonwoven fabrics of various compositions (cotton, polyester, blends, etc.).
- Accurate Simulation of Production - Replicates industrial finishing processes for reliable lab-scale testing and development.
- Improves Fabric Quality- Allows precise control of heat and tension, optimizing fabric properties like shrinkage, dimensional stability, and hand feel.
- Cost-Effective - Enables process trials and fabric development without using full-scale production equipment.
- Speeds Up R&D - Facilitates quick testing and adjustment of settings for new fabric styles or finishes.
- Versatile Applications - Suitable for drying, heat-setting, finishing, and evaluating different types of fabrics and treatments.
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- Process Control and Reproducibility- Digital controls ensure consistent and repeatable results, aiding in quality assurance and product development.
- Enhances Safety - Built with lab use in mind, featuring insulation and safety systems to protect users.
- Precise Temperature Control - Digital temperature setting (typically up to 220–250°C) for accurate heat-setting and drying.
- Adjustable Fabric Width - Equipped with clip or pin chains to hold and stretch fabric across the width, simulating real stentering.
- Variable Conveyor or Chain Speed- Adjustable speed to control fabric dwell time during processing.
- Compact and Lab-Friendly Design - Designed for bench-top or small floor space use in textile labs.
- Transparent Chamber Window - Allows monitoring of fabric behavior during treatment.
- Digital Display and Control Panel - Easy operation for setting temperature, speed, and time.
- Uniform Heat Distribution- Ensures even treatment across the fabric width for accurate testing.
- Stainless Steel Construction - Durable, corrosion-resistant body for long-term use at high temperatures.
- Safety Features - Includes over-temperature protection, insulated body, and emergency stop functions.
- Sample Versatility - Suitable for various fabric types (woven, knit, synthetic, blends) and lab finishing tasks.
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Stretch Recovery Tester Static Method
Stretch Recovery Tester Static Method
Stretch Recovery Tester
- A sample is stretched to a predetermined extension or force.
- The stretch is maintained for a set period.
- After removing the load, the recovery (return to original length) is measured after a fixed time.
- The fabric sample is clamped and stretched to a specific length or force.
- It’s held for a fixed duration (e.g., 1–5 minutes).
- The tension is released, and the sample is allowed to recover.
- The recovered length is measured after a set time.
Stretch Recovery Tester
