Industry-Verified Manufacturing Data (2026)

Bath Tank

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Bath Tank used in the Leather and Related Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Bath Tank is characterized by the integration of Agitation System and Drain Valve. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel 316L construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The primary container within a deliming bath system that holds the chemical solution for processing hides.

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Product Specifications

Technical details and manufacturing context for Bath Tank

Definition
The bath tank is the central component of a deliming bath system used in leather processing. It serves as the containment vessel where hides are immersed in deliming solutions to neutralize lime and prepare the material for subsequent tanning stages. The tank must withstand corrosive chemicals while maintaining precise temperature and chemical concentration levels throughout the processing cycle.
Working Principle
The bath tank operates by containing deliming solutions (typically ammonium salts or acids) that chemically react with lime residues in hides. The tank facilitates controlled immersion, agitation, and drainage processes, ensuring uniform treatment of leather materials while preventing contamination and maintaining solution integrity.
Common Materials
Stainless Steel 316L, Fiberglass Reinforced Plastic, Polypropylene
Technical Parameters
  • Standard dimensions range from 2000-5000mm length, 1500-3000mm width, and 1200-2500mm depth depending on production capacity requirements (mm) Customizable
Components / BOM
  • Agitation System
    Provides mechanical movement of solution to ensure uniform chemical distribution and prevent settling
    Material: Stainless Steel
  • Drain Valve
    Controls the discharge of used deliming solution from the tank
    Material: PVC or Stainless Steel
  • Level Sensor
    Monitors and maintains proper solution volume within the tank
    Material: Polypropylene with Stainless Steel Probe
  • Heating/Cooling Jacket
    Maintains precise temperature control of the deliming solution
    Material: Stainless Steel
Engineering Reasoning
0-95°C, 0-2.5 bar
Material yield strength at 120°C: 205 MPa for 316L stainless steel
Design Rationale: Stress corrosion cracking due to chloride ion concentration exceeding 25 ppm at temperatures above 60°C, combined with tensile stresses from thermal cycling
Risk Mitigation (FMEA)
Trigger Chloride concentration buildup exceeding 50 ppm from hide processing residues
Mode: Intergranular corrosion initiating at weld heat-affected zones
Strategy: Implement cathodic protection system with -850 mV vs. Ag/AgCl reference electrode potential
Trigger Thermal cycling between 20-90°C at frequency >5 cycles/hour
Mode: Low-cycle fatigue crack propagation from stress concentration at nozzle junctions
Strategy: Install expansion bellows with 15 mm axial movement capacity at all pipe connections

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Bath Tank.

stainless steel deliming bath tank leather processing chemical solution container fiberglass reinforced plastic bath tank deliming system agitation tank corrosion-resistant hide processing tank

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Deliming Bath
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 0.5 bar (7.25 psi) gauge
flow rate: 0-50 m³/h (0-220 gpm) for agitation/circulation
temperature: Ambient to 60°C (140°F)
slurry concentration: Up to 30% solids by weight
Media Compatibility
✓ Deliming chemicals (ammonium salts, acids) ✓ Hide/skin processing solutions ✓ Water-based industrial cleaning fluids
Unsuitable: Strong oxidizing agents (e.g., concentrated chlorine solutions)
Sizing Data Required
  • Daily hide processing volume (kg/day)
  • Required residence/processing time (hours)
  • Available footprint dimensions (L x W x H in meters)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion and pitting
Cause: Chemical attack from bath solutions, improper pH levels, or galvanic corrosion due to dissimilar metals in contact with the tank material.
Structural fatigue cracking
Cause: Thermal cycling (repeated heating/cooling), mechanical stress from agitation systems, or improper support leading to stress concentration at weld joints.
Maintenance Indicators
  • Visible corrosion spots, discoloration, or pitting on interior surfaces indicating material degradation
  • Audible creaking or cracking sounds during temperature changes, or visible leaks at seams and connections
Engineering Tips
  • Implement routine chemical monitoring and pH control to maintain bath solution within manufacturer's specified ranges, preventing accelerated corrosion
  • Install expansion joints or flexible connections to accommodate thermal expansion, and ensure proper tank support to distribute mechanical loads evenly

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ASTM C177 - Standard Test Method for Steady-State Heat Flux Measurements EN 14516:2015 - Baths for domestic purposes
Manufacturing Precision
  • Wall Thickness: +/- 2% of nominal dimension
  • Overall Dimensions: +/- 5mm from specified length/width/height
Quality Inspection
  • Hydrostatic Pressure Test - 1.5x working pressure for 30 minutes
  • Surface Finish Inspection - Visual and tactile check for smoothness and defects

Factories Producing Bath Tank

Verified manufacturers with capability to produce this product in China

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✓ 96% Supplier Capability Match Found

T Technical Director from Australia Jan 18, 2026
★★★★★
"Reliable performance in harsh Leather and Related Product Manufacturing environments. No issues with the Bath Tank so far."
Technical Specifications Verified
P Project Engineer from Singapore Jan 15, 2026
★★★★☆
"Testing the Bath Tank now; the technical reliability results are within 1% of the laboratory datasheet. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Germany Jan 12, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

5 sourcing managers are analyzing this specification now. Last inquiry for Bath Tank from Germany (1h ago).

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Frequently Asked Questions

What materials are best for a bath tank in leather deliming applications?

Stainless Steel 316L offers superior corrosion resistance against deliming chemicals, while Fiberglass Reinforced Plastic provides durability and chemical resistance at lower cost. Polypropylene is also suitable for certain chemical solutions.

How does the agitation system improve leather processing in a bath tank?

The agitation system ensures uniform chemical distribution throughout the deliming solution, preventing settling and ensuring consistent hide processing. This results in more uniform leather quality and reduces processing time.

What maintenance is required for a deliming bath tank?

Regular inspection of the heating/cooling jacket for leaks, cleaning of the level sensor to prevent false readings, and checking the drain valve for proper sealing. Material-specific cleaning protocols should be followed based on tank construction.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Leather and Related Product Manufacturing sector.

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