Polyurethane-34, Cosmetic Polyurethane Resin
Product Name: Polyurethane-34
Alias: Cosmetic Grade Polyurethane Resin, Flexible Polyurethane Film-forming Polymer
INCI Name: Polyurethane-34
CAS Number: Custom Cosmetic Grade Polymer
Molecular Formula: High-molecular Polyurethane Copolymer
Molecular Weight: Polymer Macromolecule
Effective Content: ≥99.0%
Appearance: Colorless to light yellow transparent viscous liquid
Grade: High-end Cosmetic Grade
MOQ: 25KG
Package: 25KG/200KG Plastic Drum
Shelf Life: 12 Months (Sealed & Stored in Shady and Dry Place)
Polyurethane-34, Cosmetic Polyurethane Resin
Polyurethane-34 is a new type of high-performance cosmetic flexible polyurethane copolymer synthesized through multi-step polymerization reaction with hexanediol, neopentyl glycol, adipic acid and hexamethylene diisocyanate as main raw materials. Different from traditional rigid acrylic resin and ordinary film-forming agents, it features super flexible and tough film-forming property with unique breathable and elastic molecular structure.
It can form a uniform, soft and skin-friendly protective film on skin and hair surface, effectively solving common cosmetic problems such as film cracking, peeling, tightness and makeup fading. The product has excellent powder binding performance, which can tightly fix cosmetic powder pigments, significantly improve makeup adhesion and color payoff, and prevent floating powder and mottling.
It delivers a natural non-greasy, velvety matte skin feel, without heavy residue or formula accumulation. With stable chemical properties, wide pH adaptability, excellent compatibility with various cosmetic oils, waxes and active ingredients, mild and non-irritating, it is a core upgraded functional raw material for modern long-wear makeup, waterproof sunscreen and natural fluffy hair styling products.
Key Benefits
• Flexible Elastic Film-forming, No Cracking or Peeling: Unique polyurethane elastic molecular chain, forms tough and breathable film layer, avoids hard cracking and peeling defects of traditional acrylic film-forming agents, with natural skin-friendly ductility.
• Strong Powder Binding & Long-lasting Makeup: Excellent pigment fixation and dispersion capacity, improves makeup fitting degree and color uniformity, effectively resists sweat and sebum erosion, realizing all-day non-fading and non-mottling makeup effect.
• Velvety Matte & Non-greasy Skin Feel: Optimized polymer structure brings delicate velvety matte texture, eliminates greasy and heavy feeling of traditional film formers, refreshing and light without residue accumulation.
• Natural Fluffy Hair Styling: Forms soft shaping film on hair surface, tames flying frizz without stiffness and flat collapse, maintains natural hair movement and long-lasting fluffy styling effect.
• Wide Formula Compatibility & High Stability: Stable performance in acidic, neutral and weak alkaline systems, perfectly compatible with silicone oils, ester oils, plant oils and powder raw materials, no delamination or precipitation.
• Mild High Safety & No Irritation: High-purity synthetic polymer, no harmful residues, low skin and eye irritation, compliant with global cosmetic safety standards, suitable for long-term facial and hair use.
Applications
• Long-wear Matte Base Makeup: Matte long-lasting foundation, oil-control cushion cream, pore-blurring primer, anti-floating powder BB/CC cream.
• Waterproof & Sweat-resistant Sunscreen: High-stability waterproof sunscreen lotion, outdoor sweat-proof sunscreen cream, long-acting sun protection formula.
• Color Cosmetic Products: Long-lasting lipstick, lip gloss, tinted balm, eye shadow, eyeliner and other color makeup fixing systems.
• Professional Hair Styling Series: Fluffy styling mousse, soft setting spray, anti-frizz hair lotion, natural long-lasting hair shaping products.
• Skin Care & Powder Products: Refreshing matte skin care essence, makeup setting powder, pressed powder, multi-functional cosmetic binding and film-forming raw materials.
Certificate Of Analysis (COA)
Test Item | Standard Specification | Test Result |
Product Name | Polyurethane-34 | Compliant |
Appearance (25℃) | Colorless to light yellow transparent viscous liquid | Colorless transparent viscous liquid |
Effective Content | ≥99.0% | 99.2% |
Viscosity (25℃, mPa·s) | 6000-12000 | 8200 |
pH Value (1% Aqueous Solution) | 6.0-8.0 | 7.1 |
Density (g/cm³) | 1.00-1.05 | 1.02 |
Moisture Content | ≤0.1% | 0.04% |
Odor | Characteristic slight odor, no peculiar smell | Compliant |
Conclusion | Conforms to high-end cosmetic grade enterprise standards | Qualified |
Frequently Asked Questions (FAQ)
• Q1: What is the core advantage compared with ordinary acrylic resin?
A1: Traditional acrylic film-forming agents are hard and brittle with tight skin feel and easy cracking; Polyurethane-34 has flexible elastic film layer, breathable and ductile, no tightness or peeling. It has better powder binding and waterproof performance, with natural matte skin feel and long-lasting makeup effect, far superior to acrylic resin.
• Q2: What is the recommended formula addition ratio?
A2: 2%-7% for matte foundation and primer, 3%-9% for waterproof sunscreen, 1%-5% for color cosmetics, 2%-6% for hair styling products, adjustable according to formula softness, matte effect and lasting performance requirements.
• Q3: Will Polyurethane-34 cause stiff hair styling?
A3: No. Different from hard styling resins, it forms soft elastic protective film on hair, which can fix hairstyle and suppress frizz while retaining natural hair flexibility, realizing fluffy and natural long-lasting styling without stiffness or flat collapse.
• Q4: Is the product mild and suitable for sensitive skin formulas?
A4: Yes. High-purity cosmetic grade polyurethane polymer, no irritating ingredients, no harmful residues, low skin irritation, compliant with EU and domestic cosmetic regulations, safe for sensitive skin and long-term facial use.
• Q5: What formula systems is it suitable for?
A5: It is suitable for oil-phase, water-phase and emulsion systems, perfectly compatible with silicone oils, ester oils, plant oils and cosmetic powder materials, effectively improving formula stability and product comprehensive performance.
• Q6: Does it support stable bulk supply and technical services?
A6: Standardized high-end cosmetic grade production with stable batch viscosity and film-forming performance, sufficient inventory, supports long-term bulk supply and global export, and provides professional formula debugging, matte skin feel and soft styling effect optimization technical support.
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