Negahdar IST-WB – Antibacterial Preservative for Wet Blue Leather Protection

Negahdar IST-WB is a highly effective antibacterial agent developed to protect wet blue leather and raw hides from bacterial attack during leather processing. It acts as a reliable preservative throughout various stages of production, including soaking, pickling, tanning, and retanning, helping manufacturers maintain leather quality and reduce processing losses.

Formulated from PCP-free phenol derivatives, Negahdar IST-WB offers excellent antimicrobial performance while meeting modern environmental requirements. The product is biodegradable and specifically designed for use in leather manufacturing applications.

Key Features and Benefits:

• Effective protection against bacterial growth in wet blue and raw hides.
• Suitable for soaking, pickling, tanning, and retanning processes.
• Prevents bacterial damage, unpleasant odors, and grain defects.
• Free from pentachlorophenol (PCP).
• Biodegradable and environmentally friendly.
• Easily soluble in water for convenient application.
• Can be applied directly to raw materials by spraying or salt mixing.
• Helps maintain the quality and storage stability of leather.

Technical Specifications

Applications in Leather Processing:

Negahdar IST-WB is specifically designed to control bacterial contamination during leather manufacturing and storage. It is particularly effective for protecting wet blue leather and preserving raw materials before further processing.

Recommended applications:

• Wet blue preservation.
• Main soaking operations.
• Pickling processes.
• Chrome tanning.
• Retanning operations.
• Temporary storage of hides and skins.
• Preservation of salted hides through spraying or salt blending.

For optimal performance, proper degreasing is recommended before application, as excessive natural fats may reduce the effectiveness of antibacterial treatment.

Recommended Dosage

Soaking Process

• Up to 0.05% based on the raw weight of hides and skins.

The dosage may be adjusted depending on:

• Storage conditions.
• Degree of bacterial contamination.
• Type of hide or skin.
• Processing duration.

For specific process recommendations, please consult our technical team.

Environmental and Safety Profile

Negahdar IST-WB is manufactured without pentachlorophenol (PCP), making it a safer and more environmentally responsible choice for modern leather production.

Important considerations:

• Biodegradable under normal conditions.
• Decomposes in highly alkaline media.
• Not suitable for sulfide-containing liquors.
• Always refer to the Material Safety Data Sheet (MSDS) before use.

Packaging

Negahdar IST-WB is available in:

• 200 kg polyethylene (PE) drums.
• 1000 kg IBC tanks.

Custom packaging options may be available upon request.

Storage Conditions

To maintain product quality and effectiveness:

• Store in tightly sealed containers.
• Keep between 5°C and 25°C.
• Protect from direct sunlight.
• Avoid freezing conditions.
• Prevent water evaporation and skin formation.

Under proper storage conditions, the product has a shelf life of 12 months.

Why Choose Negahdar IST-WB?

Negahdar IST-WB provides reliable antibacterial protection for wet blue leather and raw hides throughout critical stages of leather processing. Its PCP-free and biodegradable formulation offers manufacturers an efficient solution for preventing bacterial damage while supporting environmentally responsible production practices.

With excellent compatibility in soaking, pickling, tanning, and retanning operations, Negahdar IST-WB helps improve leather quality, reduce spoilage, and optimize processing efficiency.