Pigment Black 26 (Manganese Ferrite Black) has excellent heat resistance, light resistance, acid resistance and alkali resistance in common.
It can be use for Silicone heat-resistant coatings, color masterbatch, plastic, coil coatings, fluorocarbon coatings, ceramic coatings, high temperature resistant concrete block, etc.
Product Name:Manganese Ferrite Black
Color Index: Pigment Black 26
C.I. No.: 77537
CAS No.:68186-94-7
EINECS NO.:269-056-3
Density (g/cm3) | 5.0 |
PH value | 7.1 |
Oil Absorption(g/100g) | 22 |
105℃Volatile Matter% | ≤0.5 |
Water soluble Matter% | ≤0.5 |
Residue on 45um Mesh% | ≤0.1 |
Heat resistant | 800℃ |
Light Resistant | 8 |
Acid resistant | 5 |
Alkali Resistant | 5 |
Pigment Black 26 is typically a manganese-iron spinel (manganese ferrite) formed by high-temperature calcination. Typical formulations are described as Mn-Fe mixed oxides (spinels) rather than simple carbon blacks, which gives PBk26 its distinctive thermal and weather resistance.
Pigment black 26 is designed for high thermal stability: it withstands elevated processing temperatures with minimal color shift and no decomposition typical of organic blacks. For injection molding, extrusion or powder coating, choose a grade with an appropriate particle size and receive the supplier’s TDS for recommended maximum processing temperatures.
Yes — PBk26 offers strong lightfastness and outdoor durability compared with many organic blacks. Its spinel chemistry provides resistance to UV-induced fading, as long as the coating formulation includes suitable UV stabilizers for the binder system. Check accelerated weathering data from the pigment supplier for specific lifetime estimates.
PBk26 is generally non-bleeding and non-migratory; it is chemically inert and formulated to minimize interaction with common polymers. However, dispersion quality and filler loading can affect mechanical properties (e.g., impact toughness or surface finish), so run pilot trials at your target loadings and consult the supplier’s dispersion recommendations.
Choose PBk26 when you need superior heat and light stability, reduced risk of staining, and resistance to weathering (e.g., high-temperature coatings, outdoor architectural finishes, specialty plastics). Carbon blacks may offer higher electrical conductivity and different gloss/tonal qualities at lower cost — match pigment choice to performance priorities and run side-by-side color and durability tests.
