Mercure DCBS

Mercure DCBS is delayed action sulphenamide is widely used in NR, NR-BR, SBR, NR-/SBR blends based compounds reinforced with fine particle size furnace blacks & required to perform under high stress dynamic applications such as all steel Tires, steel cord belting, OTR Tires, Steel cord Conveyor beltings, camel back (hot retreading), shock absorbers, rubber to metal bonded goods, rubber goods with thick cross sections, intricately shaped rubber goods etc. DCBS exhibits excellent storage stability among the all sulphenamide.

TDS

CHEMICAL NAME                –                       N,N’ –Dicyclohexylbenzothiazole -2-sulfenamide

SUPPLY FORM                     –                       Cream to light tan micro granules / pellets (dia. – 2 mm)

TEST NOMINAL VALUE METHOD
Melting point initial (°C) 99.0 Min. ASTM D1519A
Melting point Final (°C) 101 .0 Min ASTM D1519A
Loss on drying 60°C/ 2 hrs. (%) 0.50 Max. ASTM D 4571
Ash Content 760°C/ 2 hrs. (%) 0.30 Max. ASTM D 4574
Cyclohexane Insolubles (%) 0.50 Max. ASTM D 4934
Assay for oil coated (%) 95.0 Min ASTM D 4936
Assay for oil free (%) 96.0 Min ASTM D 4936
Free Amine as dicyclohexyl amine (%) 0.40 Max ASTM D 4936
Oil content for oil coated (%) 1.0 – 2.0 In house method
ADDITIONAL INFORMATION
Specific Gravity at RT 1.20 – 1.25 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 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 DCBS based accelerator systems are given below:

Product Rubber
DCBS MBTS TMTM S
Tyres
Radials-steel Cord belt
OTR Treads
–                 NR
NR
NR-BR
            2.0
0.8-1.0
1.2-1.5
                –

            0.10

0-0.10
         4.5*
2.7*
1.6-1.8*
Steel cord Belting
Skim compound
NR 1.8-2.0 4.5
Misc. Rubber Goods Thick Cross section Intricate Shape moulding NR
NR-BR/SBR
NR
0.6-0.8
1.0-1.4
0.6
0-0.1
0-0.1
0.2


2.5*
1.8-2.0* 2.0-2.5*
Retreads -Hot Cure

Cushion Gum

NR
NR-BR
NR
0.8-1.2
1.0-1.2
1.0


0.2


2.2-2.5*
1.6-1.8*
2.7*
High hardness Extrusion NR 0.6-0.8 0-0.2 2.5*

Note:* Insoluble Sulphur (100 % Active content basis)