INDUSTRY COMPONENT

Surface treatment

Surface treatment for leather gasket seals involves applying coatings or finishes to enhance durability, chemical resistance, and sealing performance in industrial applications.

Component Specifications

Definition
Surface treatment for leather gasket seals refers to the application of specialized coatings, finishes, or chemical processes to the leather surface to improve its functional properties. This includes enhancing resistance to oils, chemicals, temperature extremes, and mechanical wear, while maintaining flexibility and compressibility for effective sealing in machinery and equipment.
Working Principle
Surface treatments work by modifying the leather's surface chemistry or adding protective layers. Common methods include impregnation with polymers, application of silicone or fluoropolymer coatings, or chemical treatments that cross-link with leather fibers. These treatments create a barrier that reduces permeability, increases surface hardness, and improves resistance to environmental factors without compromising the leather's natural sealing characteristics.
Materials
Leather (typically chrome-tanned or vegetable-tanned bovine hide), polymer coatings (silicone, polyurethane, PTFE), impregnation resins, chemical cross-linking agents, and corrosion inhibitors.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Hardness60-90 Shore A
Thickness1.5-3.0 mm
Compression Set<25% after 24 hours at 70°C
Tensile Strength>15 MPa
Temperature Range-40°C to +150°C
Chemical ResistanceResistant to oils, fuels, mild acids, and alkalis

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 9001, ISO 14001, DIN 7715, ASTM D2000

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Incomplete coating coverage
  • Chemical incompatibility with media
  • Reduced flexibility from over-treatment
  • Environmental contamination from treatment chemicals
FMEA Triads
Trigger: Inadequate surface preparation before treatment
Failure: Poor coating adhesion leading to delamination
Mitigation: Implement thorough cleaning and degreasing processes with quality control checks
Trigger: Incorrect coating thickness application
Failure: Reduced sealing effectiveness or excessive stiffness
Mitigation: Use calibrated application equipment with thickness monitoring systems

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.2 mm thickness, ±5% coating coverage
Test Method
ASTM D471 for fluid resistance, ASTM D395 for compression set, ISO 1817 for chemical resistance

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Surface treatment

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Shenzhen Jewellok Technology
Shenzhen, Guangdong, CN
Managed by the manufacturer
Listed on the company's own website
ZFA Valve
Tianjin, Tianjin, CN
Founded 2006
ISO9001 CE WRAS ISO14001 +2
Also makes: Gate/Valve, Pneumatic Actuator, Valve Actuator and 3 more
Managed by the manufacturer
Listed on the company's own website
Dongguan Xucheng Metal Products Co., Ltd (XUCHENG PRECISION)
Dongguan, Guangdong, CN
ISO9001 2015 IATF 16949:2016 RoHS SGS Report
Also makes: CNC Machined Part
Listed on the company's own website · profile compiled by CNFX from public sources
Foshan Shenghai Aluminum Co., Ltd.
Foshan, Guangdong, CN
Founded 2010180+ staff23,000 m²
ISO 9001:2015 GB/T 19001:2016
Listed on the company's own website · profile compiled by CNFX from public sources
SinoExtrud (Foshan Yonghang Aluminum Co., Ltd)
Foshan, Guangdong, CN
ISO EN
Listed on the company's own website · profile compiled by CNFX from public sources
Fujian Dongya Machinery Co., Ltd.
Putian, Fujian, CN
Founded 2002
ISO/TS16949 IATF16949 ISO14001 ISO45001
Listed on the company's own website · profile compiled by CNFX from public sources
HONSCN Precision (Shenzhen)
Shenzhen, Guangdong, CN
Founded 2003
ISO IATF
Listed on the company's own website · profile compiled by CNFX from public sources
Hydraflu Hydraulic Co.
Shanghai, CN
CE
Listed on the company's own website · profile compiled by CNFX from public sources
Minghe Die Casting Company
Dongguan, Guangdong, CN
Founded 2003200 experienced engineers & support staff staff30,000m2
ISO 9001:2015 IATF16949
Listed on the company's own website · profile compiled by CNFX from public sources
Shenzhen VMT Metal Product Co., Limited
Shenzhen, Guangdong, CN
Founded 2003120 People staff
ISO9001 16949 RoHS
Listed on the company's own website · profile compiled by CNFX from public sources
Dongguan Zhuohang Precision Machining Factory
Dongguan, Guangdong, CN
Founded 2005over 100 staff6800 sqm
ISO 9001 IATF 16949 ISO 14001
Listed on the company's own website · profile compiled by CNFX from public sources
Aleader Machinery
Shandong, CN
Also makes: Automotive Components
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Frequently Asked Questions

Why is surface treatment necessary for leather gasket seals?

Surface treatment enhances leather's natural properties by improving chemical resistance, reducing permeability, increasing durability, and maintaining flexibility under compression, extending service life in demanding industrial environments.

What are the most common surface treatment methods for leather gaskets?

The most common methods include silicone impregnation for temperature resistance, fluoropolymer coating for chemical resistance, polymer finishing for abrasion resistance, and wax treatments for waterproofing applications.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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