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RE: Concrete topping slab

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"Chem-Comp" is/was the brand name of an expansive (Type K) cement, more
accurately labeled "shrinkage-compensating" cement.  Sorry, I don't have
an ASTM spec number at hand.  Since, as I understand, it needs
confinement similar to "non-shrink" grouts, it's hard to envision using
it for a topping.

> ----------
> From: 	JChen2250[SMTP:JChen2250(--nospam--at)]
> Sent: 	Tuesday, December 30, 1997 2:02 PM
> To: 	seaoc(--nospam--at)
> Subject: 	Concrete topping slab
> Does anyone know what is the product "Chem-Comp" and who is/was the
> manufacturer of the product used as a topping slab.
> Thanks in advance.
> Julia Chen