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Premium Preservatives & Biocides for Industrial & Consumer Applications

Nantong Boda Biochemistry Co., Ltd. specializes in producing eco-friendly, high-performance preservatives, fungicides, and biocides for a wide range of everyday products. From cosmetics to construction, our XK series ensures long-lasting protection against bacteria, mold, and fungi.

Industrial Preservatives
Factory and Lab

About Nantong Boda Biochemistry

Nantong Boda Biochemistry Co., Ltd. is a leading manufacturer of preservatives, fungicides, and biocides based in Haian County, Jiangsu Province, China. With a 6,000 square meter facility housing research labs, production units, logistics, and sales offices, we are committed to innovation, safety, and sustainability.

You've made a great product — but how long will it last? At Boda Biochemistry, we specialize in manufacturing high-quality preservatives that keep your products fresh and protected on the shelf. Our XK biocides prevent microbial growth in cosmetics, paints, adhesives, leather, water treatment systems, and more.

Our Commitment to Safety & Environment

  • ✅ Eco-friendly and low-toxicity formulations
  • ✅ Safe for human health and environmental use
  • ✅ Compliance with international environmental standards
  • ✅ Use of renewable resources and recycling of raw materials
  • ✅ Technical support for sustainable product development

Our Main Products

Discover our XK series of biocides and preservatives — engineered for performance, safety, and compatibility across industries.

XK-ACQ

Alkaline Copper Quaternary, XK-ACQ

Low toxicity wood preservative with no arsenic, chromium, or phenol. Prevents decay and fungal growth without affecting paint adhesion or wood strength.

  • Non-corrosive to metals
  • Safe for outdoor construction
  • Ideal for decks, fences, shipbuilding
XK-CIT/MIT

Chloromethyl-methylisothiazolone, XK-CIT/MIT

Broad-spectrum biocide effective against bacteria, fungi, and saccharomycetes. Low toxicity and environmentally friendly.

  • Used in industrial water systems
  • Compatible with multiple formulations
  • Stable across pH ranges
XK-MIT

Methylisothiazolinone, XK-MIT

Isothiazolinone-based biocide used in cosmetics and cleaning products including creams, lotions, baby wipes, shampoo, and sunscreen.

  • Effective at low concentrations
  • Water-soluble
  • Preserves product integrity
XK-OIT

Octylisothiazolinone, XK-OIT

Preservative for synthetic leather, paint, coatings, and polymer products. Offers strong protection against bacteria and fungi.

  • Dry film protection
  • Long-term stability
  • Used in architectural coatings
XK-BIT

Benzisothiazolinone, XK-BIT

Water-based preservative ideal for latex paint, wood coatings, adhesives, emulsions, glue, and printing ink.

  • Excellent compatibility
  • Prevents spoilage in storage
  • Effective in high pH environments
XK-99

Cosmetic Preservative, XK-99

Highly effective in low dosages (0.01%–0.02%). Inhibits bacteria and mold. Water-soluble and easy to incorporate.

  • Used in lotions, creams, gels
  • No odor or color impact
  • Stable under processing conditions
XK-BP

Wet Wipes Preservative, XK-BP

Water-soluble biocide used in sanitary creams and oil/water-based products. Ensures microbial safety in wipes.

  • Prevents contamination
  • Safe for sensitive skin applications
  • Compatible with surfactants
XK-558C

Wet Wipes Preservative, XK-558C

Prevents growth of gram-positive and gram-negative bacteria, yeast, and mold in wet wipes and sanitary products.

  • Broad-spectrum efficacy
  • Water-soluble
  • Long shelf-life extension
XK-NA Natural Preservative

XK-NA Natural Preservative

Plant-based, eco-friendly preservative for natural and organic formulations. Ideal for green-certified products.

  • Biodegradable
  • Derived from renewable sources
  • Suitable for natural cosmetics
Leather Preservative XK-DIM

Leather Preservative, XK-DIM

Prevents mold and bacterial degradation in leather processing and finished goods. Enhances durability.

  • Effective in tanning processes
  • Protects against storage spoilage
  • Compatible with dyes and finishes

Why Choose Preservatives4U?

Eco-Friendly

All products are designed to be safe for the environment and human use.

High Efficiency

Effective at low dosages, reducing cost and environmental impact.

Global Compliance

Meets international environmental and safety standards.

Technical Support

Expert guidance for formulation and application.

Frequently Asked Questions

What are isothiazolinone-based biocides?

Isothiazolinones are a class of organic compounds used as biocides in industrial and consumer products. They are effective against bacteria, fungi, and algae, and are commonly used in cosmetics, paints, and adhesives.

Are your preservatives safe for cosmetics?

Yes, our cosmetic preservatives like XK-MIT, XK-99, and XK-BP are formulated to be safe for use in skincare, lotions, and wet wipes, meeting global safety standards.

Do you offer natural preservatives?

Yes, we offer XK-NA Natural Preservative, derived from plant-based sources, suitable for organic and eco-friendly product lines.

Can I use XK-ACQ for outdoor wood projects?

Absolutely. XK-ACQ is a low-toxicity wood preservative ideal for decks, fences, and shipbuilding. It contains no arsenic or chromium and does not corrode metal fasteners.

How do I incorporate preservatives into my formulation?

Most of our preservatives are water-soluble and can be added directly during the mixing phase. Our technical team can provide dosage recommendations and compatibility testing.

Get in Touch

For product inquiries, technical support, or partnership opportunities, visit our official website to contact the team.

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