Continuous-Feed Padding and Steaming Experimental Machine SDLATLAS D395
| Brand | SDLATLAS |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | D395 |
| Pricing | Upon Request |
Overview
The SDLATLAS D395 Continuous-Feed Padding and Steaming Experimental Machine is an engineering-grade laboratory-scale textile processing system designed to replicate industrial continuous pad-steam dyeing processes under tightly controlled thermal and mechanical conditions. It operates on the fundamental principle of sequential padding (impregnation), squeezing (controlled liquor pickup), and saturated steam fixation—enabling precise evaluation of reactive, vat, and direct dye fixation kinetics, washfastness development, and chemical reactivity under defined dwell time and temperature profiles. The unit integrates a horizontal layout with integrated pneumatic nip pressure control, calibrated fabric transport velocity, and a thermally insulated steam chamber engineered for uniform 100 °C–104 °C saturated steam exposure. Its design prioritizes reproducibility in R&D labs, quality assurance departments, and textile chemistry laboratories where process validation, dye formulation optimization, and regulatory-compliant method development are required.
Key Features
- Horizontal configuration with dual adjustable padding rollers (300 mm width, 125 mm diameter) and pneumatically actuated nip pressure control for consistent liquor pickup (±2% CV across fabric width)
- Steam chamber with 6-meter fabric path capacity, constructed from stainless steel 304 with double-glazed borosilicate observation windows for real-time process monitoring without thermal interruption
- Digital servo-controlled fabric speed adjustment (0.5–10 m/min), enabling precise dwell time calibration from 20 to 120 seconds within the saturated steam environment
- 500 mL chemical trough with programmable automatic drain-and-rinse cycle to prevent cross-contamination between trials and support GLP-aligned experimental hygiene
- Water-sealed cooling bath with PID-regulated temperature controller (range: 15–30 °C), ensuring stable post-steam quenching and preventing thermal shock-induced fiber damage
- Integrated digital + analog dual-display interface for simultaneous real-time monitoring of steam chamber temperature (98–104 °C), dwell time, and line speed
- Modular compatibility with optional 2–8 station rotary washing units (sold separately) for seamless integration into ISO 105-C06, AATCC 61, or GB/T 3921-compliant fastness testing workflows
Sample Compatibility & Compliance
The D395 accommodates woven, knitted, and nonwoven substrates up to 350 mm wide and 2 mm thickness, including cotton, viscose, polyester-cotton blends, and lyocell. Its steam saturation profile meets ISO 105-X11 Annex A requirements for uniform moisture distribution during fixation. Temperature control accuracy (±0.5 °C) and dwell time repeatability (<±1 s) support method validation per ISO/IEC 17025:2017. The system’s closed-loop water seal and condensate management comply with OSHA 1910.1200 vapor containment guidelines. All electrical components conform to IEC 61000-6-3 EMC standards and IP54 ingress protection rating.
Software & Data Management
While the base D395 operates via embedded microcontroller with local digital display, optional USB data logging firmware (SDL-DATA-LOG v2.1) enables timestamped export of temperature, speed, and dwell time parameters to CSV format. Audit trails include operator ID entry, trial start/stop timestamps, and parameter lockout status—supporting FDA 21 CFR Part 11 compliance when paired with validated user access controls and electronic signature modules. Raw data files are compatible with standard statistical analysis platforms (e.g., JMP, Minitab) for ANOVA-based dye fixation modeling.
Applications
- Optimization of reactive dye fixation protocols for cellulosic fibers under variable steam dwell times and temperature gradients
- Validation of low-salt or salt-free dyeing formulations in accordance with ZDHC MRSL v3.1 chemical inventory thresholds
- Correlation studies between pad-steam parameters and final color yield (K/S values), rub fastness (ISO 105-X12), and perspiration fastness (ISO 105-E04)
- Development of eco-efficient steaming cycles meeting EU Ecolabel Textiles criteria (2014/350/EU) for energy consumption ≤1.2 kWh/kg fabric
- Training platform for textile engineering curricula aligned with ISO/TC 38 standard methodology instruction
FAQ
What steam pressure range does the D395 require to maintain 98–104 °C saturation?
The unit is designed for connection to a standard laboratory saturated steam supply at 0.1–0.15 MPa(g), corresponding to saturation temperatures of 100–111 °C; internal regulation ensures stable 98–104 °C operation regardless of minor upstream fluctuations.
Can the D395 be used for cold pad-batch (CPB) simulation?
No—the D395 is purpose-built for saturated steam fixation only; CPB requires ambient-temperature humidification chambers and extended dwell (6–24 h), which fall outside its thermal and mechanical architecture.
Is third-party calibration certification available?
Yes—SDLATLAS provides optional NIST-traceable temperature and speed calibration reports issued by an ILAC-MRA accredited lab, valid for 12 months from issuance.
Does the system meet CE marking requirements?
The D395 complies with the Machinery Directive 2006/42/EC and Low Voltage Directive 2014/35/EU; CE documentation package (including risk assessment and EC Declaration of Conformity) is supplied with each unit.
