Zinc Core wicking is another wick used in votives, pillar,
and container candles. Zinc core produces the coolest flame and offers the
most rigidity of all cored wicks. These wicks are constructed by using 100%
natural fibers in the cover with a zinc core. Zinc core comes on a 5-6 lb
spool, you may order as little as one pound. Zinc Core
"Conforms to 16 CFR 1500.17(a)(13)"