Keystone Corporation is a global leader and custom supplier and formulator of dyes and specialty colorants.We provide innovat ... ive color solutions and unique recommendations across several industries including plastics, inks, coatings, paper, industrial compounds, and agriculture. Specific services may include: - Technical Service Applications - Laboratory Research and Consulting - Color Matching, Formulation, Deformulation, Stability & Fastness Testing - Custom Color Development - Product Development Assistance - Extensive Analytical Evaluations - Regulatory Compliance Services To talk about how we can help you grow your business, visit us at www.dyes.com or email us at info@dyes.com read more