Mercure MBS

Mercure MBS is delayed action sulphenamide alone or in combination with small quantities of booster accelerator is widely used in NR, SBR, NR-BR/SBR blends, NBR and other synthetic rubber based compounds  used for the manufacture of auto tyres, tyre retreading materials, conveyor and power transmission beltings, rubber goods with thick cross sections, intricately shaped rubber goods, rubber footwear, injection molded goods, cables and other miscellaneous molded and extruded rubber products.

TDS

CHEMICAL NAME                  –                     2-(4-Morpholinothio) benzothiazole

SUPPLY FORM                       –                     Pale yellow / off white pellets (dia.- 2 mm)

TEST NOMINAL VALUE METHOD
Melting point initial (°C) 80.0 Min. ASTM D1519A
Melting point Final (°C) 83 .0 Min ASTM D1519A
Loss on drying 60°C/ 2 hrs. (%) 0.50 Max. ASTM D 4571
Ash Content 760°C/ 2 hrs. (%) 0.15 Max. ASTM D 4574
Methanol Insolubles (%) 0.50 Max. ASTM D 4934
Assay (%) 95.0 Min ASTM D 4936
Free Amine as Morpholine (%) 0.30 Max ASTM D 4936
Oil content (%) 1.0 – 2.0 In house method
ADDITIONAL INFORMATION
Specific Gravity 1.30 – 1.40 ASTM D 1817
Bulk Density (kg/m3) 650 – 750 In house method
Packaging: Open mouth HDPE fabric bag with paper on the outside. 20 kgs.Net.
Storage Life: Six months from the 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.
This information and our technical advice – whether verbal, in writing or by way of trials – are given in good faith but without warranty, and this also applies where proprietary rights of third parties are involved.  Our advice does not release you from the obligation to check its validity and to test our products as to their suitability for the intended processes and uses.  The application, use and processing of our products and the products manufactured by you on the basis of our technical advice are beyond our control and, therefore, entirely your own responsibility.  Our products are sold in accordance with our General Conditions of Sale and Delivery.

APPLICATION

Typical dosage of Mercure MBS based accelerator systems are given below:

Product Rubber Accelerators / Sulphur, phr.
MBS MBTS TMTD PVI
(CTP)		 S
Truck & Bus Tyre Tread
Sidewall
Casing		            –  NR-BR
NR-BR
NR-SBR		             1.1-1.2
0.9-1.0
0.8-1.2		                 –
–
–		             –
–
–		            0.15-0.20
0.15-0.20
0.15-0.20		          1.5-1.6*
1.8-2.0*
2.0-2.4*
Conveyor Belt Cover
General Purpose
Heat Resistant		 NR
NR-SBR		 0.6-0.8
1.5		 0.1-0.3
–		 –
0.5		 0.10-0.20
0.15-0.20		 2.3-2.5
0.5-0.7
V Belts- Base
Cushion
Friction		 NR
NR
NR		 0.5
0.5
0.6		 0.2
0.2
0.2		 –
–
–		 0.10-0.20
0.15-0.20
0.15-0.20		 3.0
2.4
2.75
Retreads  Hot Cure

Pre Cured

 NR
NR-BR
NR-BR		 0.5
0.8
1.0		 –
–
0.2		 –
–
–		 0.15
0.15
0.10		 2.4*
2.0*
1.6
Footwear DV Soles
Moulded Soles & Heels		 NR-SBR
NR-SBR		 0.8
0.8		 0.4
–		 0.1
0.2		 0.10
0.10		 2.0
2.2
Injection Mouldings NR 0.7 – – 0.25 2.4
Molded & Extruded Goods NR
NR-SeEV
NR-EVSBR
SBR-SeEV
SBR-EV

NBR
NBR-SeEV
NBR-EV

 0.7-0.8
1.5-2.0
2.5-3.01.0-1.2
1.5-2.5
1.5

1.0-1.2
1.5-1.2
2.0

 0.1
–
-0.2
–
–

0.2
–
–

 0.0-0.2
0.3-0.5
0.5-0.60.1-0.2
0.5
2.5-3.5

0.1-0.2
0.5-0.7
3.0-4.0

 0.10-0.20
0.10-0.20
—
–
–

–
–
–

 2.2-2.5
0.8-1.0
0.3-0.52.0-2.2
0.7-1.0
0.3-0.5

1.5
0.75
0.3
Note:   *   Insoluble Sulphur (100% active content basis)