|
Market
Leader
Lead
Stearate
Pb(C17H35COO)2 and
Dibasic
Lead
Stearate,
2PbO,
Pb(C17H35COO)2 are
normal
and basic
lead
soap of
commercial stearic
acid.
These
are
versatile
combined
lubricants
and heat
stabilisers
for PVC.
Typical
Properties
| |
Lead Stearate |
Dibasic Lead Stearate |
| Appearance |
White Powder |
White Powder |
| Specific gravity |
1.40 ± 0.02 |
1.90 ± 0.05 |
| Residue on 63 micron IS sieve (% max) |
- |
0.60 |
| Moisture (% max) |
0.10 |
0.50 |
| Lead Oxide equivalent (% PbO) |
30 - 34 |
52 - 56 |
| Free fatty acid (% max) |
0.60 |
0.50 |
| Bulk density, tapped (g/ml) |
0.4 - 0.5 |
0.35 - 0.45 |
Applications
Lead
Sterate
and
Dibasic
Lead
Stearate
have
wide
application
as
lubricants
for Plasticised
PVC
compounds,
particularly
cable
covering.
For
rigid
PVC
applications,
it is
necessary
to use a
well-balanced
lubricant
system.
Packing
in 25 kg
nett
HDPE
bags
with
inner
polythene
liner
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