Catalyst™ Polytip Bristle brushes are another Princeton breakthrough that advances the science of synthetic hair. This new series is super stiff yet still extremely responsive. Unlike natural hog bristle, Catalyst™ has real integrity in water. Natural bristle can be rendered useless when it is water-soaked. The true advance in Catalyst™ is the Polytip feature. For the first time, the tip of each individual hair has been split to replicate the natural flags on the finest natural bristle. By giving each individual hair 2 to 3 distinct tips, Catalyst™ is able to hold a higher volume of paint while providing a smoother application. Designed for use with medium to heavy-bodied acrylics and oil paints, Catalyst™ pushes even heavy gel media with assurance. Catalyst™ Polytip Bristle brushes truly are tools that move paint.
- Next Gen Synthetic
- Maximum Stiffness
- Flag tips to replicate the best Chungking Bristle
- Precise control and shape retention
The Princeton Catalyst Polytip (Series 6450) Angle Shader is a stiff, synthetic short-handle brush designed for moving medium-to-heavy body acrylics and oils. It features innovative "Polytip" bristles that split at the ends to hold more paint and provide a smoother application, offering superior stiffness to natural hog bristle.
Key Features and Uses:
- Unique Bristles: Each synthetic fiber is split, creating 2-3 distinct tips for increased paint capacity, better control, and smoother, streak-free application.
- Excellent Stiffness: Designed for heavy-bodied paints and thick gels, these brushes maintain their shape even when wet, unlike natural bristles.
- Shape & Versatility: The angled head is ideal for creating precise, sharp edges, shading, highlighting, and painting organic shapes like petals, leaves, and stems.
- Versatile Application: While designed for thick paints, the bristles offer enough versatility to be used for a wide range of techniques.
Ideal For:
- Acrylic and Oil Painting: Specifically developed for thick, high-viscosity paints and heavy gels.
- Detailing and Shading: The angular shape allows for maneuvering into tight, precise areas













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