Alkali and lime resistance
Fresh plaster and cementitious substrates are highly alkaline, so choose organic pigments that resist bleeding and shade shift on masonry exteriors.
Applications
Pigment recommendations for decorative paints with technical checks and export enquiry support.
Decorative architectural paints rely on organic pigments chiefly for clean, bright shades and tinting strength in white and pastel bases, where inorganic pigments alone cannot deliver vivid reds, yellows and greens. Because interior and exterior walls demand long-lasting colour, buyers should confirm light and weather fastness, alkali resistance against fresh cement and lime, and easy dispersion in waterborne acrylic or emulsion systems. Universal colourant compatibility, low binder demand and reproducible shade from lot to lot matter more than raw brightness for a bulk export programme.
At a glance
Fresh plaster and cementitious substrates are highly alkaline, so choose organic pigments that resist bleeding and shade shift on masonry exteriors.
Facade colours face UV and rain; specify weatherfast azo and phthalocyanine grades so pastel and mid-tone shades do not fade or chalk.
Emulsion and acrylic paints need pigments wetting easily in water with surfactant, avoiding flocculation, seeding and colour drift on storage.
For point-of-sale tinting, confirm rub-out stability and reproducible strength so machine-dispensed shades match the fan-deck reliably.
Recommended pigments
A starting shortlist of export-grade organic pigments relevant to Pigments for Decorative Paints. Open any grade for shade, fastness and packing detail, or send your requirement for a matched recommendation.
Dispersion paste designed for polyester resin coloration.
View export grade Green PigmentsChlorinated phthalocyanine green for durable industrial coloration.
View export grade Yellow PigmentsHigh-performance yellow for demanding coating and plastic requirements.
View export grade Orange PigmentsDiarylide orange used for inks, textiles, and industrial colorants.
View export grade Pigment PastesWater-dispersible pigment paste for coatings and textile systems.
View export gradeExplore more
Answers
Weatherfast phthalocyanine blues and greens, plus selected high-performance azo yellows and reds, are preferred for facades. They resist UV fading, rain and alkali from masonry. For deep exterior shades, verify chalking resistance and long-term outdoor fastness before committing to bulk.
Quality alkali-resistant grades do, but not all organics are equal. Fresh cement and lime create a high-pH environment that can cause weaker pigments to bleed or shift. Always request alkali-resistance data and test on the actual cementitious substrate first.
Both are used. Powders give lowest cost for in-plant batching, while aqueous pigment pastes suit point-of-sale tinting machines needing instant dispersion. For decorative lines, many buyers combine bulk powder for factory tints with stable pastes for retail dispensers.
Pastels use tiny pigment loadings in large white bases, so weak or variable pigment forces higher dosing and inconsistent shades. High, reproducible tinting strength keeps formulation cost down and ensures each production lot matches the reference standard.
Buyer knowledge base
The practical side of pigment sourcing: matching chemistry to end use, confirming fastness, and getting samples and documents ready for a fast decision.
Approve shade, strength and dispersion on a sample before any production quantity.
25 kg bags, palletised and batch-labelled, cleared under HSN 3204 17 90 for smooth customs.
Guidance on oil absorption and let-down, plus ready-to-use pastes where direct handling helps.
Target a physical standard or current reference; the lab confirms undertone and tinting strength.