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Mercure MBT

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.

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Chemical Name N – 2 – Mercaptobenzothiazole
Supply Form Pale yellow powder
TEXT NOMINAL VALUE METHOD
Melting point initial (°C) 170.0 Min. ASTM D1519A
Melting point Final (°C) 175 .0 Min ASTM D1519A
Loss on drying 105°C / 2 hrs. (%) 0.50 Max. ASTM D 4571
Ash Content 760°C/ 2 hrs. (%) 0.30 Max. ASTM D 4574
Fineness though 100 mesh (%) 99.90 Min ASTM D 5461
Assay by titration (%) 95.0 Min In house method
Oil Content (%) 1.0 – 2.0 In house method
ADDITIONAL INFORMATION
Methanol Insolubles (%) 1.5 Max. ASTM D 4934
Specific gravity at RT 1.45 – 1.55 (Typical Value) ASTM D 1817
Bulk Density (kg/m3) 450 – 550 In house method
Packaging: Open mouth HDPE fabric bag with paper on the outside. 25 kgs.Net.
Storage Life: Two years 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.


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.

 

MERCURE MBT BASED CURE SYSTEMS FOR SULPHUR CURED EPDM PRODUCTS
Accelerator
& Sulphur		 Cure Systems (phr)
A B C D E
MBT 0.5 1.5 1.5 2.0 1.5
TMTD 1.5 0.8 1.0 0.8 0.8
ZDEC – – – 0.8 –
ZDBC – 2.5 2.5 1.0 –
CBS – – 1.0 – –
TeDEDC – – 1.0 – 0.8
DPTTS – – – – 0.8
Sulphur 1.5 2.0 1.8 2.0 0.5
Cure System Characteristics
A Low cost, Medium cure rate, Satisfactory vulcanizate properties, may bloom.
B General purpose, Very good cure rate and vulcanizate properties, Non-blooming.
C Low compression set, Faster cure rate, Good vulcanizate properties, Non-blooming.
D Low cost, faster cure rate, Good vulcanizate properties, Non-blooming.
E General purpose, Very fast cure rate and excellent vulcanizate properties, Non-blooming but little scorchy.

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  • 9E, Saket Apartment,
    2 Ho Chi Minh Sarani, 9th Floor,
    Kolkata -700 071

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Rubber Chemicals Accelerator | Rubber Antioxidant | Rubber Chemicals Antidegradants | Rubber Chemicals Liquid Retarder | Rubber Vulcanizing Agent | Rubber Chemical Peptizer | Rubber Processing Aids | Antitack Batch Off Powder | Dry Bonding Agent | Rubber Anti Reversion Agent | Chemical Intermediate & Floating Agents