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1 total messages Started by user Wed, 14 Aug 1996 00:00
Liquid paraffins/solvents and waxy oils (n-hydrocarbons) OFFER!!
#49
Author: user
Date: Wed, 14 Aug 1996 00:00
109 lines
4953 bytes
Do you need quality PARAFFINIC WAXY OILS and / or
                 LIQUID PARAFFIN CUTS ?

-   Waxy oils (C10 - C31): white in colour, with a mild
    odour, congealing point of 32-36�C, burns well.
-   Five paraffin cuts available: C5-C6; C7-C8; C9-C11;
    C12 - C13; C14-C17. Properties: colourless,
    biodegradable, nearly odourless and burns well.
-   (Detailed specifications included below)
-   Applications in: PVC, solvents, tanning, degreasers,
    catalyst and fragrance carriers, denaturants, benzine,
    viscosity modifiers, emulsions, lubricants, fuel source,
    wood treatment, hydrocarbon source....

-   Contact Pieter or Wendy at: p.elstob@mail.global.co.za
Pieter Smith (Chemical engineer) -
  Fax number +27 16 708 2845
Wendy McLean (Research Scientist) -
  Fax number +27 16 708 2506

Specifications and Typical Analyses of Products (Dos TXT Format)
1. Paraffin Cuts
1.1 Typical Analyses

Analysis            Units       C5-C6 C7-C8 C9-C11 C12-C13 C14-C17
Molecular weight    g/mol       95    108   140    180     210
Pour point          �C          -70   -70   -48    -12     6
Kin visc @ 25�C     cSt         0.55  0.8   1.6    2.1     3.2
Density @ 20�C      g/l         665   701   730    750     764
Water content       mg/kg       <50   <50   <50    <50     <50
Acidity             mg KOH/g    <.01  <.01  <.01   <.01    <.01
Br index            mg Br/100 g <60   <10   <5     <2      <1
Colour              Saybolt     +30   +30   +30    +30     +30
Distillation @ 101,325 kPa
          IBP       �C          56    111   153    211     242
          DBP       �C          99    124   194    225     279
CC flash point (PM) �C          <-10  8     46     90      120
Aromatic content    mass %      <.1   <.1   <.1            <.1
i-Paraffinic cont   mass %      10.2  8.6   9.3    6.8     5.7
n-Paraffinic cont   mass %      89.8  91.4  90.7   93.2    94.33
Residue on evap     mass %      <.01  <.01  <.01   <.01    <.01
Ash content         mass %      <.01  <.01  <.01   <.01    <.01
Sulphur content     mg/kg       <20   <1    2      -       2
Benzene content     mg/kg       <10   20    <1     -       -
Iron as Fe          ppm         <1    <1    <1     <1      <1

1.2 Carbon Distribution

Carbon Number  C5-C6     C7-C8     C9-C11    C12-C13
               mass %    mass %    mass %    mass %
          C5   25
          C6   50
          C7   25        30
          C8             70
          C9                       33
          C10                      34
          C11                      33
          C12                                50
          C13                                50

1.3 Current C14-C17 Specification

Analysis      Units          Limits
C-Distribution
  <C14        mass %         2.0 max
  C14-C17     mass %         97 min
  >C17        mass %         1.0 max
Aromatics     mass %         0.5 max
n-Paraffins   mass %         92 min
Bromine index mg Br/100 g    20 max
Sulphur       ppm            5 max
Acidity       mg KOH/g       0.02 max
Ash           mass %         0.03 max
Colour        Saybolt        +25 min
Water         ppm            50 max
Iron as Fe    ppm            1 max

2. Paraffinic waxy oil
2.1 Typical Analyses

Analysis             Units       Results
Molecular weight     g/mol       306
Congealing point     �C          33
Carbon distribution              C10-C31
Mettler cloud point  �C          34
Density @ 25�C       g/l         770
Water content        mg/kg       <50
Acidity              mg KOH/g    0.6
Br Index             mg Br/100 g 8.7
Colour               Saybolt     +19
Viscosity @ 40 �C    cP          4.4
          @ 60 �C    cP          3.1
          @ 80 �C    cP          2.3
DSC Melt range       �C          -21 to 44
 Fusion enthalpy     J/g         160
Open cup flash point �C          140
i-Paraffinic content mass %      15.89
n-Paraffinic content mass %      84.11
MEK solubles         mass %      16.2

2.2 Waxy oil specification

Analysis             Units       Limits
Colour               Saybolt     15 min
Flash point 101 kPa  �C          66 min
MEK solubles         mass %      22 max
Cloud point          �C          48 max
Congealing point     �C          32 - 36
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