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Does High Humidity Cause Low PSI

Does High Humidity Cause Low PSI

(OP)
I am having trouble getting an epoxy grout to come to design strenth  The material is conditioned for a hot weather pour  What about the high humidity in the part of the country where the pour is occurring (SW VA/East TN)  The grout is achieving 2000 psi less than jobsite engineering spec and nearly 5000 psi less than the grout supplier spec.  Any ideas?

RE: Does High Humidity Cause Low PSI

Better get the grout supplier involved.  These grouts can be tricky, and sometimes bad batches occur.

RE: Does High Humidity Cause Low PSI

Agree with Hokie... high humidity usually doen't cause a problem with epoxy grouts... temperature, however, can...

Dik

RE: Does High Humidity Cause Low PSI

(OP)
Grout mfg is on site   Breaks are 1/2 of what they should be  Core samples being taken and analyzed of product in place  Everything proper and according to C 579 B (molds; cure time; transport; etc.)   All at a loss, especially grout mfg    Maybe product exceeded shelf life?  Sat in a cold warehouse too long (bad winter here-3 weeks of no power)?  Air temp has been in the 90s during day, mid 70s at nite - well within range.  Any ideas out there?

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