Page 27 - Catalog For Chemical_NEW!! - FOR E-Book_Neat
P. 27

PRODUCT  INFORMATION



                                                 WELL-DS1010








               INTRODUCTION                                       other  foam  control  agents.  When  used  as  a  direct
                                                                  food additive, sterile water must be used for dilution .
               Foaming in aqueous solution or water is caused  by   Pre-dilute solution should be kept under agitation or
               high  concentrations  of  dissolved  or  suspended
               solids,  excessive  alkalinity,  and  by  saponifiable  oils   mildly  agitated  before  use.  Such  dilution  or
                                                                  dispersion may provide greater ease of handling and
               that form soaps. Foaming can be controlled to some
               extent  by  adding  special  inhibitors  that  are   move effective use of silicone. WELL-DS1010 can be
                                                                  premixed  in  the  batch  during  the  initial  product
               unsaponifiable and stable toward hydrolysis. Foam is
               composed of bubbles of steam separated form each   formulation,  or  it  can  be  metered  into  continuous
                                                                  process systems by the use of metering pumps.
               other  by  thin  films  of  liquid  system.  There  are
               stabilized  by  repelling  forces,  principally  electrical
               charges,  that  arise  at  the  steam-liquid  interface.   DOSAGE
               Thinning  of  the  liquid  film  is  opposed  by  electrical     The  optimum  concentration  of  WELL-DS1010  is
               repulsion  of  similar  charge  on  both  surfaces,  which   dependent upon temperature, composition, viscosity
               prevents  rupturing  and  coalescence.  Hydrophilic   agitation,   and   other   processing   conditions.
               colloids can induce foaming upon being adsorbed at   Depending on the defoaming effectiveness required,
               these  interface. When  stable  bubbles  pile  upon  the   the  quantity  of  WELL-DS1010  can  be  decrease  or
               surface  of  solution,  solid  dissolved  or  adsorbed  in   increase   to   establish   the   most   economical
               solution film pass into system and foam scale in heat   concentration to apply.
               exchanger surface and fouling in tube.             When evaluating WELL-DS1010 it is suggested that
                                                                  the  evaluation  be  started  at  about  10  ppm  silicone.
               DESCRIPTION                                        This  starting  point  represents  an  average  level  of
                                                                  silicone  found  to  be  effective  in  many  application.
               WELL-DS1010  is  a  10  percent  by  weight  active   Except in food processing, these levels can then be
               silicone  antifoam  emulsion  specifically  designed  for
               the prevention and suppression of foam in aqueous   adjusted in either direction to determine the minimum
                                                                  effective  concentration  for  the  specific  system
               systems. The product is stable over a wide pH range
               and  is  recommended  for  use  in  all  aspects  of   requiring foam control.
               industrial  fermentation,  including  food  and  drug
               processing.                                        FDA STATUS

                                                                  WELL-DS1010  is  prior  sanctioned  for  use  in  food
               PHYSICAL PROPERTIES                                processing  in  concentrations  up  to  100  ppm  where
                                                                  food standards permit. WELL-DS1010 may, also be
               Appearance . . . . . . . . . . . . . . . . White, opaque liquid
               Silicone Solids . . . . . . . . . . . . . . . . . . . . . .10% by wt.   used  as  a  component  of  adhesives  used  in  articles
               Viscosity at 25°C . . . . . . . . . . . . . . . . . . . . . 2,000 cs.   intended  for  packaging,  transporting  and  holding
               Apparent Specific Gravity (at 25/25°C) . . . . . . . .1.00   food  as  a  component  of  paper  or  paperboard  in
               Suitable Diluent . . . . . . . . . . . . . . . . . . . . . . . . .Water   contact with aqueous, fatty and dry foods.

               ADVANTAGES                                         HANDLING AND STORAGE
                                                                    WELL-DS1010  exhibits  excellent  storage  stability
               1. Easily added to aqueous foaming system.
               2. Water dilutable stable emulsion, easy to use and   when  proper  handling  procedures  are  followed.  As
                   handle.                                        with,  most  emulsion,  storage  in  a  cool  place  (16-
               3. Effective over a wide range of pH.              25°C)  in  tightly  close  containers  will  provide
               4. Low viscosity emulsion assuring ease of handling   maximum  shelf  life.  Under  these  conditions. WELL-
                   and diluting.                                  DS1010 has a shelf life of six months.
               5. Prevent foam formation therefore improve product
                   yield. Meet FDA requirements.                  PACKAGING
                                                                    WELL-DS1010 is available in steel drum of 200 Kgs.
               APPLICATION                                        net.

               WELL-DS1010  may  be  used  at  full  strength  as
               supplied,  in  a  solvent  dispersion,  or  in  a  blend  with
                                                                                                   TECHNICAL SERVICE
                                                                              WELLMAN CO.,LTD HAS A STAFF OF TECHNICAL SERVICE
                                                                      ENGINEERS WHO WILL ASSIST AND TRAIN YOUR MEN ON THE PROPER
                                                                           EVALUATION AND APPLICATION OF OUR CHEMICALS AND GIVE
                                                                                RECOMMENDATION TO ENSURE SMOOTH OPERATION
                                                                                        THIS SERVICE IS GIVE FREE OF CHARGE
   22   23   24   25   26   27   28   29   30   31   32