Mertex OT-20

Mercure MBT is semi ultra-fast accelerator / its combinations with booster accelerators are used in NR, SBR, NR-SBR/BR blends, NBR, IIR, EPDM and other synthetic rubber based compounds used for the manufacture of motor cycle and scooter tyres, butyl tubes, cycle tyres and tubes, beltings, retreading materials, footwear, hot air cured products, hoses, cables and miscellaneous molded and extruded rubber products.

Chemical Name Polymer sulfur
Supply form Non-dusting yellow powder
TEXT NOMINAL VALUE METHOD
Total Sulphur content (%) 79.0 – 81.0 In house method
Insoluble sulphur content (%) 72.0 Min ASTM D 4578
Oil Content (%) 19 – 21 ASTM D 4573
Acidity as H2SO4 (%) 0.05 Max ASTM D 4569
LOD at 60°C/4 hrs (%) 0.50 Max. ASTM D 4571
Ash Content 760°C/2hrs (%) 0.10 Max ASTM D 4574
Fineness through 100 mesh (%) 99.8 Min ASTM D 5461
ADDITIONAL INFORMATION
Thermal stability (105°C X 15 min) 80.0 Min ASTM D 1817
Thermal stability (120°C X 15 min) 45.0 Min In house method
Packaging: Open mouth HDPE fabric bag with paper on the outside. 25 kgs. net.
Storage Life: One year from date of production.
Storage conditions: Keep cool and dry in original packaging.
Product Safety: Relevant safety data and references as well as the necessary hazard warning
labels can be found in the safety data sheet.

TYPICAL DOSAGES OF MERCURE  MBT

Product Rubber Accelerator /  Sulphur, phr
MBT MBTS MBS TMTD ZDEC S
Motor Cycle, Scooter
Tyre Treads
NR-
SBR / BR
0.8-1.0** 0.07-0.15 2.2-2.75*
Auto Tubes IIR 0.5 1.0 0.0-0.2 1.5
Cycle Tyre Treads NR-RR
NR-SBR / BR
0.6**
0.8**
0.3
0.4
0.1-0.15
0.1-0.2
2.2-2.5
2.2
Conveyor Belt Cover NR
SBR
0.70**
1.0**
0.25
0.4
0.0-0.15
0.0-0.20
2.75*
2.2
Transmission Belts
General Purpose
Heat Resistant
NR
NR
  0.3
0.5
  0.8
  –
2.0-2.5
  3.0
0.3
V Belts
Base
Cushion
NR
NR
  0.2
0.4
 0.6**
0.6**
  3.0
2.4
Retreading Materials
Cushion-Hot Cure
Cushion-Cold Cure
Vulcanizing Solution
NR
NR
NR
  0.2
1.0
0.6
  –

0.4
  0.7**

  –
TMTM-0.2
  2.4*
2.4*
4.0*
Footwear
DV Soles
Microcellular Soles
Neolite Soles
NR-SBR
NR-SBR
NR-SBR
  0.8
1.0
1.0
  0.2-0.3
0.1-0.2
0.1-0.2
  2.0
2.3
2.5
Hot Air Cured Products
Rubberized Fabric and
Rubber Sheeting
NR 0.8 0.3-0.4 2.5
Cables NR
SBR
1.0
1.5
TMTM
0.2-0.3
1.2
1.0
Misc. Molded and
Extruded Products
NR
SBR
NBR
0.8-1.0
1.2-1.5
1.2-1.5
0.0-0.2 2.4
2.2
1.5
Note:
* Insoluble Sulphur (100% active content basis)
** PVI (Retarder) may be incorporated at 0.2-0.3 phr levels for desired
scorch safety, ensuring compliance with vulcanizate properties.