Leather and synthetic leather manufacturers face a distinct challenge: end products — from handbags and wallets to jackets and footwear components — must resist water, oil, and everyday stains while preserving the material's natural look, feel, and flexibility. Achieving this balance requires a water repellent finish suited specifically to leather and PU/PVC synthetic leather substrates. CHEM KARIS's CK GUARD WR-SERIES, a C6 fluorocarbon-based water repellent agent, is engineered to protect leather and synthetic leather goods across a wide range of applications without compromising surface quality.
Why Leather & Synthetic Leather Need a Dedicated DWR Finish
Leather and synthetic leather are more sensitive to moisture damage than woven textiles — water exposure can cause staining, stiffening, cracking, or discoloration over time, particularly in genuine leather. Synthetic (PU/PVC) leather, while more water-resistant by nature, still benefits from an added repellent layer to prevent surface staining and extend product life. A durable water repellent (DWR) finish applied during leather finishing or synthetic leather coating creates a protective barrier that causes water, oil, and everyday contaminants to bead and roll off the surface, helping bags, jackets, footwear components, and accessories stay clean and structurally sound through daily use.
CK GUARD WR-SERIES: Built for Leather & Synthetic Leather Applications
CK GUARD WR-SERIES is a C6 fluorocarbon repellent, PFOA and PFOS-free, formulated to deliver:
✔️ Water, oil & soil repellency — protects against rain, spills, and everyday stains
✔️ Wash and wear durability — maintains repellency through repeated handling and cleaning cycles (performance varies by grade — contact us for technical guidance suited to your production line)
✔️ Broad substrate compatibility — suitable for genuine leather, PU synthetic leather, and PVC-coated materials
✔️ Surface quality retention — repellency without altering the leather's natural hand feel, flexibility, or finish appearance
How CK GUARD WR-SERIES Is Applied
CK GUARD WR-SERIES integrates into standard leather finishing and synthetic leather coating lines, typically applied via spray or pad application during the final finishing stage, after dyeing or coating and before cutting and assembly into finished goods.
Exact bath concentration, application method, and curing conditions vary depending on the substrate — genuine leather, PU synthetic leather, or PVC-coated material — production equipment, and the target repellency grade for a given product category. Because these parameters differ by grade and application, CHEM KARIS provides tailored application guidance and a full technical data sheet (TDS) upon request, rather than publishing generic figures that may not match your specific production setup.
Applications Across Leather & Synthetic Leather Categories
CK GUARD WR-SERIES supports water repellent finishing across:
✔️ Handbags & accessories — genuine and synthetic leather goods requiring stain resistance and surface protection
✔️ Leather jackets & outerwear — apparel-grade leather needing reliable water and oil repellency
✔️ Footwear components — synthetic leather uppers and trims used alongside textile materials
✔️ Furniture & automotive leather — upholstery-grade leather and synthetic leather requiring long-term stain protection
C6 vs. Fluorine-Free: Choosing the Right Water Repellent for Leather Goods
Leather goods brands and manufacturers evaluating water repellent chemistry face the same decision as footwear and outdoor gear producers: C6 fluorocarbon or fluorine-free finishes. CHEM KARIS manufactures both, so the right choice depends on performance requirements and sourcing strategy rather than availability.
CK GUARD WR-SERIES (C6 fluorocarbon) delivers water, oil, and soil repellency together, making it well suited to leather goods exposed to oils, cosmetics, and general contamination — handbags, wallets, and footwear components in particular. For brands whose specifications call for oil repellency alongside water resistance, C6 chemistry remains the standard fluorocarbon technology capable of meeting that requirement.
CK GUARD N-SERIES, by contrast, is a fluorine-free (PFC-free) finish offering water repellency only, without oil or soil resistance. It suits brands prioritizing fluorine-free sourcing policies, particularly ahead of tightening PFAS and PFHxA regulations across the EU. Leather goods manufacturers sourcing for European buyers in Germany, Italy, Spain, Portugal, and Turkey are increasingly asking about fluorine-free alternatives for this reason, while buyers across Southeast Asia and India more commonly continue to specify C6 for its broader repellency profile, particularly for handbags and accessories exposed to oils and cosmetics.
CHEM KARIS's technical team can help sourcing teams compare both options against a specific product's requirements and regional compliance timeline.
Compliance & Sustainability
Global leather goods and fashion brands increasingly require suppliers to meet strict environmental standards. CK GUARD WR-SERIES is formulated to support:
✔️ PFOA & PFOS-free compliance
✔️ REACH regulatory alignment
✔️ ZDHC compliant processing
✔️ bluesign® and OEKO-TEX® compatible production standards
As a Korean chemical manufacturer with a Korea Trade Association Presidential Award for export excellence, CHEM KARIS supports leather goods and synthetic leather manufacturers across Vietnam, Indonesia, Bangladesh, Thailand, Cambodia, India, and Europe with reliable, compliant water repellent solutions.
Sourcing CK GUARD WR-SERIES: Support Across Global Leather Goods Markets
As a Korea Trade Association Presidential Award-winning manufacturer, CHEM KARIS supplies water repellent chemicals to leather goods and synthetic leather producers across multiple export regions.
In Southeast Asia, CHEM KARIS supports textile and leather chemical buyers in Vietnam, Bangladesh, and Indonesia, as well as growing leather goods manufacturing hubs in Thailand and Cambodia, with consistent, compliant DWR finish supply for handbag, footwear, and accessory production lines.
For buyers researching a water repellent chemical supplier in India, CK GUARD WR-SERIES is formulated to meet the DWR finish textile India market's dual requirements of cost-efficient sourcing and REACH/ZDHC-aligned documentation.
In Europe — including Germany, Italy, Spain, Portugal, and Turkey — CHEM KARIS works with sourcing teams navigating both C6 and fluorine-free specifications for leather and synthetic leather applications as environmental compliance expectations continue to evolve.
Wherever your production is based, our technical team can provide application guidance, samples, and documentation suited to your specific leather goods category and regional requirements.
Frequently Asked Questions
Q: Is CK GUARD WR-SERIES suitable for genuine leather as well as synthetic (PU/PVC) leather?
A: Yes, it is formulated to be compatible with both genuine leather and PU/PVC synthetic leather — please contact us to confirm the right grade for your specific substrate.
Q: Does the water repellent treatment affect the leather's natural hand feel or appearance?
A: No. CK GUARD WR-SERIES is designed to provide repellency while preserving the leather's natural softness, flexibility, and finish appearance.
Q: Can this be used alongside other leather finishing processes or coatings?
A: Yes, it is compatible with standard leather finishing and synthetic leather coating processes. Technical support is available to optimize your specific production workflow.
Q: Does CHEM KARIS provide compliance documentation such as REACH or ZDHC certificates?
A: Yes. Compliance documentation is provided directly to verified buyers upon request, alongside the technical data sheet (TDS) for the specific grade selected.
Q: Does CHEM KARIS offer a fluorine-free alternative to CK GUARD WR-SERIES for leather goods?
A: Yes — CK GUARD N-SERIES is our fluorine-free (PFC-free) water repellent line, offering water repellency without oil or soil resistance. It's a suitable option for brands prioritizing fluorine-free sourcing policies for leather applications.
Get in Touch
Looking for a reliable water repellent chemical supplier for your leather or synthetic leather production line? Contact CHEM KARIS at chemkaris@chemkaris.co.kr or visit www.chemkaris.com to request technical guidance and samples tailored to your production needs.
