FREQUENTLY ASKED QUESTIONS
Can you help me determine if pumice would work for my needs?
Absolutely. Pumice is amazingly versatile, but if it turns out that our pumice isn't the best solution for you, we'll tell you what is.
Does Hess provide custom grades and blends?
If we don't currently produce a grade (we produce over 300 spec grades) that meets your specifications, we will work with you to develop one.
What is the typical lead time to get pumice?
Two weeks (prior to shipment). Often less. Many standard grades are maintained in stock for immediate shipment.
What are the freight options?
Hess ships pumice via rail, truck, intermodal and overseas via ocean carrier. We ship to any continent.
Shipping point?
Do I order directly from Hess Pumice?
We have a network of Domestic and International Distributors. (Call 1-800-767-4701; Option 3 - Sales Department, for representative nearest you.)
In some cases, based on volume and/or location, direct purchasing arrangements can be established.
Can I get lab samples?
Contact us at 1-208-766-4777 to discuss your needs and/or to request a sample of the brightest and hardest amorphous aluminum silica commericially available in the world.
What about purity?
Specialized impurity extraction technologies allow for extremely high purity content (98% - 99.8%, depending on grade).
Is pumice safe to work with?
Being chemically inert and crystalline silica-free, Hess Pumice is both safe to use and safe for the environment.
What is pumice, exactly?
a) Amorphous aluminum silicate originating as volcanic ash.
b) A foam of volcanic glass—silky, interlocking fibers filled with tiny air bubbles. It is these frothy vesicles that give pumice its unique and infinitely useful qualities.
Who uses pumice, and for what?
Here is a partial list of our pumice customers and what processes and applications they use the pumice for.
