Search Mirlyn: Library Catalog Find Databases Find e-Journals Library Web Pages for

Penetration Coefficient, PC

Definition: rate of penetration of a liquid into a capillary space. Units are cm/sec.

PC = (surface tension of liquid) x (cosine of the contact angle)
     ___________________________________________________________

                           2 x viscosity

_________________________________________________________________

                                                 PC
Material                 Product              (cm/sec)       Ref.
_________________________________________________________________

Fluoride gels            Flura-Gel            0.0508          132
                         Luride               0.217           132
                         Predent              0.0870          132
                         Rafluor              0.115           132
Fluoride solutions       NaF Rinse         2350               132
Pit and fissure sealants
  Light-cured            Delton               5.18            176
                         Helioseal            1.72            176
                         Pentra-Seal          2.67            176
                         Visioseal            2.21            176
  Self-cured             Delton               4.90            176
_________________________________________________________________

---

Introduction to Biomaterials Properties | Biomaterials Properties Table Listing |
References (1-100) | References (101-200) | References (201-244) |

---

Revised April, 1996
Biomaterials Properties Database, University of Michigan
Contact: Dr William J. O'Brien, Director (FAX: 313-647-5293).
Copyright © Quintessence Publishing, 1996.

http://www.lib.umich.edu/dentlib/Dental_tables/Pencoef.html

Send us your questions and comments.

To:	libwebsystems@umich.edu
From (email):
CC: Me
Subject:

Your question or comment: