Ultra-Pflex® and Ultra-Pflex 100
Category: Pre-market additives

Ultra-Pflex® and Ultra-Pflex 100 are surface treated, premium quality, engineered nano particle precipitated calcium carbonate.

Typical Use:

PVC plastisol, MS polymer, silicone and polyurethane sealant systems

Apparent use of Nanotechnology: precipitated calcium carbonate coated with stearic acid (primary particle size: 70nm)
Reason for Inclusion:

"Average primary particle size: .07 microns" -Retrieved 2/5/2021 from https://www.mineralstech.com/docs/default-source/company/ultrapflex.pdf?sfvrsn=da35c703_2

"Precipitated calcium carbonate coated with stearic acid" -Retrieved 2/5/2021 (see safety data sheet)

Trade: Laborers
Safety Data Sheet (SDS):

available online