pigment red 81
Pigment Red 81 (PR 81) is a synthetic organic pigment classified as a calcium or aluminum lake of a specific azo dye. This "laking" process converts a soluble dye into an insoluble, stable pigment, resulting in its characteristic bright, clean bluish-red to magenta hue, often reminiscent of a rhodamine tone. It is renowned for its exceptionally high tinting strength and good lightfastness in mass tone, making it a popular choice for applications requiring vivid, eye-catching color.
However, PR 81 has notable limitations. Its chemical resistance is generally poor, particularly to acids and alkalis, and its durability can degrade significantly in thin tints or when exposed to severe weathering. It also exhibits moderate heat stability, limiting its use in high-temperature plastic processing.
Its primary applications capitalize on its brilliance and cost-effectiveness. It is extensively used in flexographic and gravure printing inks for packaging, magazines, and posters, where visual impact is paramount. In plastics, it is suitable for lower-temperature resins like PVC and is commonly incorporated via masterbatch. It also finds use in industrial coatings for toys and decorative finishes, as well as in the coloration of synthetic fibers and paper.
In summary, Pigment Red 81 is a versatile, economical workhorse pigment prized for its intense color and strength in applications where ultimate chemical and exterior permanence are not critical requirements.
| Company Name | Hangzhou ColorSource Industry CO.,LTD. | Country/Region | China |
| Business Type | Trading Company | Company Size | 50 |
| Established | April 29, 2000 | ||
| Address | 浙江省杭州市萧山区北干街道永久路288号708室-1 | ||
| Main Products | Printing Inks: Water-based, solvent-based, offset, and UV inks Paint & Coatings: Water-based and solvent-based systems Plastics: Including PP, PE, PVC, PS, PC, ABS, PA, PA66, and more Textile Printing: Supporting both traditional and digital processes Stationary: Markers, highlighters, ball pens, gel pens, crayons, and coloring materials, Non-toxic and comply with EN71-3 | ||
| pigment | plastic,textile printing,pringting inks,paint,coating | ||
With more than 25 years of dedication to the pigment industry, Hangzhou Color Source Co., Ltd. has established itself as a reliable and experienced supplier of high-performance organic pigments. Specializing in OEM pigment manufacturing, we are committed to helping customers succeed by delivering not only quality products but also value-added service and long-term partnership.
Comprehensive Application Coverage
Our pigments are widely used across multiple industries and applications, including:
· Printing Inks: Water-based, solvent-based, offset, and UV inks
· Paint & Coatings: Water-based and solvent-based systems
· Plastics: Including PP, PE, PVC, PS, PC, ABS, PA, PA66, and more
· Textile Printing: Supporting both traditional and digital processes
· Stationary: Markers, highlighters, ball pens, gel pens, crayons, and coloring materials, Non-toxic and comply with EN71-3
No matter the end-use, we tailor our solutions to meet the specific needs of customers in diverse markets such as packaging, coatings, plastics processing, textile decoration and stationary.
Delivering Value Through Performance
At Hangzhou Color Source, we understand that consistent performance and cost-efficiency are key to our customers’ success. That’s why we focus on delivering pigments with:
· High Color Strength: Maximizing formulation efficiency
· Bright and Vivid Color Shades: Ideal for attractive and consistent color
· Good Gloss and Transparency: Ideal for vibrant and clean finishes. Opaque grade have good hiding power
· Excellent Dispersion and Viscosity Control: Simplifying processing and formulation
· High Heat Resistance & Weather Fastness: Ensuring durability under tough conditions
· Outstanding Migration Resistance: Especially important in sensitive plastic and packaging applications
Commitment to Service
Beyond product quality, we are known for:
· Competitive and Stable Pricing
· Reliable, On-Time Delivery
· Responsive Technical Support
· Customized Solutions and OEM Production
From sample,PSS testing to final shipment, our professional team works closely with customers to ensure smooth communication, technical advice, and continuous improvement.
Your Partner for Long-Term Success
Whether you're in ink formulation, masterbatch production, or paint manufacturing, Hangzhou Color Source offers the pigments and support you need to stay ahead in today’s competitive market.
Let us work for you bring more color, performance, and value to your products.
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