Indofil Lp30

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Indofil Lp30 is a low-viscosity, thermosetting polyurethane resin specially formulated as a leather finishing binder. Designed for high-performance coatings, it provides excellent film formation, flexibility, and adhesion over leather, textiles, and engineered substrates. Available in solvent-borne, waterborne, or mixed systems, LP30 offers tailored dry time, gloss control, and durability suitable for high-end footwear, upholstery, and garment applications.

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Categories: Pesticides (Herbicides, Insecticides, Fungicides), Antiseptics and Disinfectants Tags: Broad-Spectrum Pesticide, Copper Oxychloride, Crop Protection Chemical, Fungicide & Bactericide, Indofil LP30

Description

Table of Contents

Indofil Lp30

Primary Uses

Leather Coatings

Durable Topcoat Binder: Serves as the polymer base in PU leather coatings to provide abrasion resistance, flexibility, and durability on shoe uppers, bags, and apparel.
Adhesion Promoter: Enhances bond strength between leather and layered finishes (e.g., lacquers, pigments, embossing agents).
Gloss/Sheen Tuner: Used to formulate coatings with varying finish levels—from matte to high gloss—depending on additive load and process.

Textile Finishing

Fabric Coatings: Applies PU films on textiles for waterproofing, hand feel, and surface enhancement, often seen in premium rainwear and upholstery fabrics.
Soft & Stretch Coatings: Delivers flexible, soft-hand coatings that maintain drapability and resistance to flex-cracking in stretch textiles.

Synthetic Substrate Finishing

Engineered Leather and Synthetic Skins: Ensures a consistent binder film for printed or coated synthetic leathers used in automotive interiors, furniture, or fashion accessories.
Non-woven Binder: Functions as a bonding matrix in non-woven coated textile composites, enhancing fiber cohesion and structural integrity.

Secondary Uses

Wood and Furniture Coats

Acts as a flexible, yet durable, resin coat for decorative wood veneers or MDF panels in furniture, offering scratch resistance and minimal UV yellowing.

Industrial Protective Coatings

Applied in thin PU coatings on metal or composites for industrial machinery interfaces where durability, flexibility, and chemical resistance are needed.

Craft & Prototyping

Used by artisans who coat leather or fabric prototypes for functional samples and scaled production tests, benefiting from low viscosity and flexibility.

KEY ATTRIBUTES

Basic Identification Attributes

Chemical Name (IUPAC): Polyurethane prepolymer (isocyanate-terminated)
Common/Trade Name: Indofil LP30
CAS Number: Not applicable (proprietary mixture)
HS Code: 3909.50.00 (Polyurethane resins)
Synonyms: PU binder; Leather PU resin; Thermoset PU resin

Physical & Chemical Properties

Physical State: Liquid resin (dispersion or solution)
Color & Odor: Pale amber to light amber; mild solvent or resinous odor
Viscosity: Low–medium (20–200 cP), depending on version
Solids Content: 25–45 % by weight
pH (if waterborne): Approximately 7.0–8.5
Dry Time: Tack-free in minutes; full cure in 12–24 hours
Film Properties: Flexible, abrasion-resistant, flexible to –20 °C
Adhesion: Excellent to leather, PU substrates, fabric

Safety & Hazard Attributes

GHS Classification

Solvent-borne: Flammable liquid, skin/eye irritant, respiratory sensitizer
Waterborne: Not classified or minimal hazard

Toxicity

Solvent versions: Moderate irritation risk; may cause headaches or dizziness if inhaled
Water versions: Low toxicity; non-irritant

Exposure Limits

Must comply with VOC regulations and occupational exposure limits (e.g., isocyanates)

Storage & Handling Attributes

Storage Conditions

Store at 10–30 °C; protect from freezing and direct sunlight
Store solvent-based versions in well-ventilated, fire-safe areas

Container Type

Sealed pails or drums (metal for solvent, plastic for waterborne)

Shelf Life

6–12 months depending on batch and version
Avoid moisture exposure for solvent systems; water forms may separate over time

Handling Precautions

Stir or recirculate before use; avoid water contamination in solvent blends
Use explosion-proof equipment if handling solvent variants

Regulatory & Compliance Attributes

VOC Compliance: Formulated to meet regional VOC standards when used in coated leathers/textiles
REACH: Components conform to EU environmental safety standards
ISO/ASTM Standards: Meets common adhesion and abrasion test protocols for leather and textile coatings

Environmental & Health Impact

Biodegradability: Waterborne versions largely biodegradable; solvent-borne less so
Ecotoxicity: Low when cured; uncured isocyanates may pose environmental hazards
Bioaccumulation: Not expected
Disposal: Cured waste can be treated as inert; uncured resin and solvents treated as hazardous waste

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required

Solvent-based: NIOSH-approved respirator, gloves, eye protection, anti-static clothing
Water-based: Gloves and goggles advised for process safety

Handling Guidelines

Use in fume-hood or spray booth with adequate exhaust
Prevent ignition or spark generation with solvent-based variants

Storage Measures

Ensure proper grounding and bond lines for solvent containers
Keep containers sealed when not in use to prevent moisture or solvent loss

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if chemical respiratory symptoms occur
Skin Contact: Wash thoroughly; solvent versions may dry skin
Eye Contact: Rinse eyes for 15 minutes; seek medical aid for persistent irritation
Ingestion: Do not induce vomiting; seek immediate medical attention

Firefighting Measures

Fire Hazards
- Solvent-based: Highly flammable; vapor may spread far from source
- Water-based: Not flammable
Extinguishing Media
- Solvent: Foam, CO₂, dry chemical—do not use water jets
- Water: Water spray or foam acceptable
Special Precautions
- Use SCBA, fire-resistant clothing, and extinguish surrounding fire sources
- Prevent solvent vapor ignition and ensure container cooling during fire exposure