Our specially formulated silicone coloring paste represents a breakthrough in elastomer pigmentation technology, designed to deliver vibrant, consistent coloration across all silicone platforms without compromising material properties. This advanced color concentrate utilizes a unique carrier system compatible with both addition-cure and condensation-cure silicone chemistries, providing manufacturers with unprecedented coloring versatility and performance reliability.
Universal Compatibility: Engineered for LSR (Liquid Silicone Rubber), RTV-2, HTV solid silicone, and finished silicone products with guaranteed non-interference with cure kinetics
Exceptional Color Strength: 0.1-0.8% loading achieves full opacity, representing 40-60% higher pigmentation efficiency than standard silicone dyes
Thermal Stability: Withstands processing temperatures up to 300°C without color shift or thermal degradation
Non-Migration Guarantee: Zero bleeding or migration even in direct food contact and medical applications
Precision Dispersion: Sub-micron pigment particle size (<1μm) ensures speck-free coloration and maintains silicone transparency
LSR Injection Molding: Uniform color distribution without affecting flow characteristics or cycle times
RTV-2 Casting Applications: No inhibition of platinum or tin catalyst systems with consistent batch-to-batch color matching
HTV Compression Molding: Excellent dispersion in high-consistency rubber without affecting mechanical properties
Finished Product Coloring: Surface application compatibility for post-production coloring of silicone goods
Medical & Food Grade: FDA 21 CFR 177.2600 compliant formulations with full regulatory documentation
Easy Incorporation: Homogeneous mixing within 3-5 minutes under standard production conditions
No Property Compromise: Maintains original silicone mechanical properties including tear strength, elongation, and hardness
Reduced Waste: Precise color matching eliminates trial batches and material waste
Cost Efficiency: 30-50% lower total coloring cost compared to pre-colored silicone compounds
Color Accuracy: ΔE <0.5 between batches with spectrophotometric quality control
Regulatory Compliance: ROHS 3.0, REACH SVHC, UL, and ISO 10993 certifications available
Batch Traceability: Complete documentation from raw pigment to finished paste
Technical Support: Color matching services and application technical guidance
Medical Devices: Surgical instruments, wearable devices, and healthcare equipment requiring biocompatible coloring
Consumer Products: Kitchenware, baby products, and household items demanding food-safe coloration
Automotive Components: Seals, gaskets, and interior components with color coding requirements
Electronics: Keypads, seals, and insulating components needing precise color identification
Industrial Products: Custom-colored seals, profiles, and industrial components
| Parameter | Performance Value | Test Method |
|---|---|---|
| Pigment Concentration | 40-60% by weight | Gravimetric Analysis |
| Viscosity | 15,000-25,000 mPa·s | Brookfield RVF |
| Specific Gravity | 1.05-1.25 g/cm³ | ASTM D792 |
| Dispersion Quality | Hegman ≥7 | ASTM D1210 |
Color Matching: Pantone, RAL, or custom color development within 5 working days
Special Effects: Pearlescent, fluorescent, metallic, or thermochromic options available
Sample Program: 100g trial samples with technical data sheet and processing guidelines
Global Logistics: Flexible packaging from 1kg jars to 25kg pails with worldwide shipping