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Resin suppliers test materials and provide ratings for specific colors or 'all colors' when they provide pre-blended colors to the molder. 'Natural' is another option, allowing the molder to add custom color w/ liquid concentrates.
At the point that a concentrate is added, is the resin supplier no longer responsible for flammability? Is flame testing the only recourse?
Tom Drechsler
At the point that a concentrate is added, is the resin supplier no longer responsible for flammability? Is flame testing the only recourse?
Tom Drechsler