
DENSON's UP Special Black paste delivers exceptional high gloss and deep black color in artificial stone applications. The UP867 Special Black series offers richer texture and superior performance compared to LR's competing products.
DENSON UP Special Black Paste Application in Artificial Stone
Background
In the artificial stone industry, achieving a deep, uniform black with high gloss is one of the most challenging requirements. Denson New Material has developed a specialized unsaturated polyester resin (UPR) black paste that sets new standards for this application.
Product: UP Special Black
The UP Special Black series is specifically designed for unsaturated polyester resin systems used in artificial stone and quartz stone manufacturing. Key features include:
- Deep Black: Delivers an exceptionally deep, rich black color
- High Gloss: Produces a mirror-like finish after curing
- Excellent Dispersion: No visible pigment clumps or specks
- UV Stability: Maintains color consistency over time without fading
- Low Add Rate: Achieves full color strength with minimal paste addition (1-3%)
UP867 Special Black – The Premium Choice
The UP867 Special Black series showcases DENSON's latest breakthrough in black pigment technology for artificial stone. Compared to competing products from LR, the UP867 delivers:
| Feature | DENSON UP867 | LR Competitor | | --- | --- | --- | | Blackness | Superior deep black | Standard black | | Gloss Level | High-gloss, mirror finish | Semi-gloss | | Texture Depth | Deeper, richer visual quality | Standard depth | | Dispersion Quality | Excellent; no agglomerates | Good | | Addition Rate | 1-3% | 3-5% | | Color Stability | Excellent UV resistance | Good |
Application Process
1. Material Preparation
- Unsaturated polyester resin (orthophthalic or isophthalic)
- DENSON UP867 Special Black paste
- Crushed stone and aggregate
- Catalyst (MEKP)
2. Mixing Procedure
- Add DENS ON UP867 Special Black paste to the unsaturated polyester resin at 1-3% by weight.
- Mix thoroughly at 500-800 RPM for 5-10 minutes
- Add stone powder and aggregate
- Add catalyst and mix briefly
- Pour into mold and apply vibration to remove air bubbles
3. Curing and Finishing
- Allow curing at room temperature for 24-48 hours
- Demold and polish to achieve a high-gloss finish
- The UP867 Special Black improves polished surface quality.
Application Areas
- Artificial marble and granite
- Quartz Countertops
- Engineered stone panels
- Decorative stone tiles
- Bathroom and kitchen surfaces
Why Choose DENSON UP867?
- Superior blackness and gloss compared to competitors
- Deeper visual texture that enhances the premium look of artificial stone
- Cost-effective due to lower usage rate
- Consistent color quality across batches
- Technical support from DENSON's experienced team
Contact
For samples and technical support, contact DENSON New Material at sales@henvastness.com.
