rubber formulations

7/31/2019 Rubber Formulations

1/17

Starting Point Formulation

TRUCK TYRE RETREADS

RETREADING RELATED MATERIAL

AUTO TUBES (HEAVY DUTY)

AUTO TUBES (LIGHT DUTY)

TREADS & SIDEWALL FOR TWO-WHEELER AUTO TYRES

CYCLE TYRE TREADS

CYCLE TYRE CASING & CYCLE TUBES

CYCLE TYRE CURING BAGS

MICROCELLULAR SHEETS (FOOTWEAR)

HAWAI SHEETS & STRAP

OTHER FOOTWEAR RELATED ITEMS

CONVEYOR BELT COVERS

CONVEYOR BELT FABRIC RUBBERISING

V-BELT COMPOUNDS

TUBINGS

HOSE
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2/17

HOSE (Contd).

OIL 7 FUEL HOSE

MOULDED PRODUCTS-NR BASED 40 TO 60 IRHD


MOULDED PRODUCTS-NBR BASED (OIL RESISTANT)

MOULDED PRODUCTS-POLYCHLORPRENE BASED

MOULDED PRODUCTS-EPDM BASED

MISCELLANEOUS PRODUCTS-ROLLERS NR BASED

MISCELLANEOUS PRODUCTS


NR LATEX DIPPED PRODUCTS

LATEX FOAM
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3/17

TRUCK TYRE RETREADS

Material NR based

NR-BR

blendBased

Light Duty(LCV)\

NR (RSS-I) 100.0 75.0 80.0

Pilmast-7 0.1 0.1 0.1Cis-polyutadiene -- 25.0 20.0

Zinc oxide 5.0 5.0 5.0

Stearic Acid 2.5 2.5 2.5

Pilnox TDQ 1.0 1.0 1.0

Pilflex 13/pilflex 0.5 0.5 0.5

ISAF Black -- -- 65.0

HAF Black 50.0 50.0 --

Highly Aromatic 6.0 12.0 20.0

Paraffin wax 1.0 1.0 1.0

Pilcure DCBS 0.7 -- --

Pilcure MOR -- 0.8 1.2

Pilgard PVI-50 -- 0.3 0.4

Insoluble sulphur

(100% active basis)2.4 1.6 1.6

Cure 150C-25min 150C-25min 150C-20min

RETREADING RELATED MATERIAL

MaterialCushion Gum

(Conveational)

Cushion Gum

For PrecuredTreads

Vulcanising

Solution

NR (RSS-I) 100.0 100.0 100.0

Pilmast 7 0.1 0.1 0.3

Zinc oxide 5.0 5.0 10.0



SRF Black 35.0 35.0 15.0

Highly Aromatic 5.0 7.5 --

Wood Rosin 2.0 2.0 4.0

Pilcure MOR 0.7 0.7 --

Pilcure MBT -- 0.2 1.0

Pilgard PVI-50 0.2 0.2 1.0

Insoluble sulphur(100% active basis)

2.5 2.5 4.0



4/17

Note: Vulcanising solution is prepared by dissolving the compound in solvent naphtha to a solid content of 12.5%. The

solution back can be further increased by dissolving 3 to 5 phr unmasticated NR is solvent naphtha prior to addition

of vulcanizing solution compound

AUTO TUBES (HEAVY DUTY)

Material Passenger CarNR based

Two-Wheeler

Auto NR-based

Auto Tubes

Butyl rubberbased

NR (RSS-I) 100.0 100.0 --

Pilmast 7 0.1 0.1 --

Butyl 301 -- -- 100.0



Pilnox TDQ 1.5 1.5 --

Pilflex 100 0.3 0.3 0.5

FEF Black 30.0 20.0 65.0

Ppt. CalciumCarbonate

20.0 30.0 --

Naphtenic oil 7.5 5.0 --

Paraffinc oil -- -- 20.0


Pilcure CBS 1.0 1.2 --

Pilcure MBT -- -- 0.5

Pilcure TMTD 0.2 0.2 1.0

Pilgard PVI-50 0.3 0.3 --

Sulphur 1.25 1.25 1.25 1.8

AUTO TUBES (LIGHT DUTY)

MaterialPassenger Car

NR based

Two-Wheeler

Auto NR-

based

Auto Tubes

Butyl

rubber

based

NR (RSS-I) 100.0 100.0 --

Pilmast 7 0.1 0.1 --

Butyl 301 -- -- 100.0



Pilnox TDQ 1.5 1.5 --

Pilflex 100 0.3 0.3 0.5

FEF Black 30.0 20.0 65.0

Ppt. Calcium Carbonate 20.0 30.0 --


5/17

Naphtenic oil 7.5 5.0 --

Paraffinc oil -- -- 20.0


Pilcure CBS 1.0 1.2 --

Pilcure MBT -- -- 0.5


Pilgard PVI-50 0.3 0.3 --

Sulphur 1.25 1.25 1.8


TREADS & SIDEWALL FOR TWO-WHEELER AUTO TYRES

MaterialNR- SBR

blend

Based tread

SBR basedtread

Sidewall

NR (RSS-I) 50.0 -- 50.0

Pilmast 7 0.05 -- 0.05

SBR 1712 68.75 137.5 68.75




Pilflex 13 1.0 1.0 1.5

Pilflex 100 0.5 0.5 0.5HAF Black 70.0 70.0 --

GPF Black -- -- 60.0

Highly Aromatic 10.0 5.0 5.0

CI Resin 2.0 3.0 3.0

Blended wax 1.5 1.5 1.5

Pilcure CBS 1.2 1.3 1.2

Pilgard PVI-50 0.25 0.30 0.25

Sulphur 2.2 2.2 2.0 1.8


CYCLE TYRE TREADS

MaterialCycle

Rickshaw

Cycle tyre

Premium

Quality

Cycle tyre

Commerical

NR (RSS-I) 60.0 60.0 60.0


6/17

Pilmast-7 0.06 0.06 0.06

Polybutadiene rubber 20.0 10.0 --

Reclaim (WTR-101) 40.0 60.0 80.0




Pilflex 13/Pilflex 0.5 0.3 0.3

HAF Black 35.0 30.0 --

GPF Black -- -- 30.0

China Clay 30.0 40.0 40.0

Nahpthenic oil 10.0 10.0 8.0



Pilcure CBS 1.0 -- --

Pilcure F -- 1.0 1.2


Pilgard PVI-50 0.20 0.25 0.25

Sulphur 2.3 2.3 2.5 2.5


CYCLE TYRE CASING & CYCLE TUBES

Material Cycle tyre

Casing

Cycle tube

Premium

Cycle tube

Commercial

NR (RSS-I) 100.0 100.0 100.0

Pilmast 7 0.25 0.2 0.2

Zinc Oxide 5.0 5.0 5.0



GPF Black 10.0 15.0 10.0

Pptd. Calcuim

carbonate

- 60.0 30.0

China clay 20.0 - 50.0

Whiting 30.0 - -

Naphthenic oil 5.0 10.0 12.5

Brown factice - 4.0 4.0

Wood Rosin 2.5 - -

Paraffin wax - 1.0 1.0

Pilcure CBS - 1.2 1.2


Pilgard PVI-50 0.2 0.2 0.2

Sulphur 2.2 1.65 1.7

Cure 150-6 min 150-6 min 150-10 min


7/17

MICROCELLULAR SHEETS (FOOTWEAR)

Material Premium

Quality

General

Purpose

Quality

Commerical

Quality

NR (RSS-I) 35.0 45.0 50.0

Pilmast 7 0.05 0.05 0.05

SBR 1958 65.0 55.0 50.0

Microcellular crumb 50.0 60.0 80.0



Pilnox SP 2.0 1.5 1.0

Aluminium silicate 50.0 40.0 40.0

Hard clay 50.0 80.0 100.0

Wood Rosin 4.0 4.0 5.0Petroleum jelly/naphthenic

oil

5.0 5.0 5.0


DNPT Blowing agent 3.0 4.5 6.0

Diethylene Glycol 2.0 2.0 3.0

Pilcure F 1.3 1.4 1.5

Sulphur 2.2 2.3 2.3

Titanium dioxide & colour q.s q.s q.s

Cure 150-8 min 150-8 min 150-8 min

HAWAI SHEETS & STRAP

Material Premium

Quality

sole

Commercial

Quality

Sole

Strap

NR (RSS-I) 70.0 80.0 100.0

Pilmast 7 0.07 0.08 0.2

SBR 1958 30.0 20.0 -

Hawai crumb 30.0 70.0 -

Zinc oxide 5.0 5.0 5.0Stearic Acid 4.0 4.0 1.5

Pilnox SP 1.0 1.0 1.0

Aluminium Silicate 40.0 20.0 -

China Clay 80.0 100.0 30.0

Pptd Calcium carbonate - - 40.0

Naphthenic oil/petroleum

jelly

10.0 10.0 5.0



8/17

DNPT Blowing agent 6.5 7.0 -

Diethylene Glycol 2.0 2.0 -

Pilcure F 1.2 - 1.2

Pilcure ZDT - 1.0 -

Sulphur 2.3 2.4 2.0

Titanium dioxide and

colour

q.s q.s q.s

Cure 150C-8 min 150C-6min 150C-6

min

OTHER FOOTWEAR RELATED ITEMS

Material Resin Rubber

Soling

Miners Shoe

Sole

Canvas

Upper

Shoe Sole

NR (RSS-I) 70.0 100.0 100.0

Pilmast 7 0.07 0.10 0.1

SBR 1958 30.0 - -Zinc oxide 5.0 5.0 5.0


Pilnox SP 1.0 1.5 1.5

HAF Black - 20.0 -

Aluminium Silicate 40.0 30.0 20.0

China Clay 50.0 30.0 40.0

Pptd Calcium carbonate 40.0 - 40.0



Diethylene Glycol 1.5 1.0 1.0


Pilcure TMTD 0.2 0.3 0.25Pilgard PVI-50 0.2 0.2 0.20

Sulphur 2.4 2.4 2.0

Colour q.s q.s q.s

Cure 160C-8 min 150C-6min 150C-6min

CONVEYOR BELT COVERS

Material Super

Quality

Heat

Resistant

Food Contant

(White)

NR (RSS-I) 100.0 100.0 100.0

Pilmast 7 0.2 0.2 0.2Zinc oxide 5.0 5.0 5.0


Pilnox TDQ 1.5 2.0 -

Pilnox SP - - 2.0

Pilflex 13/pilflex

100

0.5 0.5 -

HAF Black 45.0 45.0 -

Aluminium Silicate - - 50.0


9/17

Aromatic oil 6.0 6.0 -

Naphthenic oil - - 5.0

CI Resin 2.0 2.0 2.0




Pilgard PVI-50 0.20 0.25 -Sulphur 2.3 0.70 2.75

Titanium dioxide - - q.s

Cure 140C-15 min 140C-20 min 140C-30 min

CONVEYOR BELT FABRIC RUBBERISING

Starting Point Formulation - V-BELT COMPOUNDS

V-BELT COMPOUNDS

Material Super

Quality

Heat

Resistant

Synthetic

Fabric

(Nylon)NR (RSS-I) 100.0 100.0 100.0

Pilmast 7 0.3 0.3 0.3

Zinc oxide 5.0 10.0 5.0



pilflex 100 0.4 0.5 0.5

SRF Black 15.0 15.0 30.0

Silica (ppted) - - 10.0

Pptd Calcium

carbonate

25.0 25.0 -

CI Resin 7.5 5.0 5.0

Aromatic oil 10.0 10.0 -Pilcure CBS 1.0 1.0 1.0

Pilcure TMTD 0.05 0.5 -

Pilgard PVI-50 0.30 - 0.3

Sulphur (Insoluble) 2.6 0.75 2.8

Resorcinol - - 2.5

Resimene 3560 - - 1.6

Cure 140C-12 min 140C-15min 140C-25 min

Material Base Cushion Jacket

Friction

NR (RSS-I) 60.0 100.0 80.0

Pilmast 7 0.06 0.3 0.3


10/17

TUBINGS

LPG TUBING

Material

Neoprene WB 100

Light Megnesia 4

Pilnox SP 2

Ppted silica 20

Ppted calcium carbonate 100

Factice 5Stearic Acid 0.5

Naphthenic oil 5

Ethylene Thiourea 0.5

Pilcure TMTD 0.5

Zinc Oxide 5.0

Colour q.s

Cure 150C-15 min

NR TUBING

NR (RSS-I) 100

Pilmast 7 0.2Zinc oxide 5

Stearic Acid 1.5

Pilnox SP 2

Ppted silica 20

Ppted Calcium carbonate 60

Factice 5

Paraffin wax 2

Naphthenic oil 10

Pilcure F 1

Pilcure TMTD 0.1

Sulphur 2

Cure 150C-10min

HOSE

SBR 1502 40.0 - 20.0

Zinc oxide 10.0 5.0 5.0



Pilflex 13 0.5 - 0.5

pilflex 100 0.5 0.3 0.5

GRF Black 75.0 30.0 20.0Ppted silica 15.0 - -

Ppted calcium carbonate - - 20.0

CI Resin 5.0 3.0 5.0


Pilcure MOR 1.0 1.0 1.0

Pilcure MBT 0.2 0.2 0.2

Pilgard PVI-50 0.3 0.2 0.2

Sulphur 2.75 2.5 2.5

Cure 150C-15

min

150C-15

min

150C-15 min


11/17

Material Water Suction

& Discharge

(tube & cover)

Braided Textile

Reinforcement

Tube Cover

NR (RSS) 90 80 100Polybutadiene

rubber

10 20 -

Zinc oxide 5 5 5

Stearic Acid 1 1 1

Pilnox TDQ 1 1 1

FEF Black 15 35 40

China clay 100 100 80

Whiting 100 80 80

Naphthenic oil 5 5 10

Mineral Rubber 5 3 3

Paraffin wax 1 1 1

Pilcure MBTS 1 1 1Sulphur 2.4 2.6 2.0

Cure 150C-20 min 150C-20 min 150C-20

min

HOSE (Contd)

Air Hose

(Low

Pressure)

T-1, T-2

Air Hose

(High Pressure)

T-3

Material Tube Cover Tube Cover

NR (RSS) 80.0 100.0 80.0 100.0

Pilmast 7 0.08 0.1 0.08 0.1

Polybutadiene rubber 20.0 - 20.0 -

Zinc oxide 5.0 5.0 5.0 5.0

Stearic Acid 1.0 1.0 1.0 1.0

Pilnox TDQ 1.0 1.0 1.0 1.0

Pilflex 100 - 0.3 - 0.3

FEF Black 40.0 40.0 45.0 45.0

China clay 75.0 100.0 60.0 50.0

Whiting 75.0 - 50.0 -

Naphthenic oil 5.0 10.0 5.0 10.0

Wood Rosin 3.0 3.0 2.0 2.0

Paraffin wax - 1.0 - 1.0

Pilcure MBTS 1.2 1.2 1.2 1.2

Sulphur 2.3 1.75 2.3 1.75

Cure 150C-

20min

150C-20min 150C-20min 150C-

20min


12/17

OIL 7 FUEL HOSE


Hardness IRHD

Material 40 50 60

NR (RSS-I) 100.0 100.0 100.0

Pilmast 7 0.1 0.1 0.1




HAF Black 1.0 3.0 5.0

China clay - 35.0 35.0

Whiting 100.0 85.0 75.0Naphthenic oil 30.0 20.0 12.0

Pilcure MBTS 1.3 1.3 1.3


Sulphur 1.5 1.5 1.5


Material Oil and Fuel

Hose Tube

High Pressure

Hydraulic

Hose Tube

Oil andFuel

HoseCover

Medium CAN NitrileRubber

100 100 -

Polychloroprene - - 100

Light Magnesium oxide - - 4

Zinc Oxide 5 5 5

Pilnox TDQ 1.5 1.5 -

Pilflex 100 - 0.3 0.5

FEF Black 30.0 80.0 40.0

SRF Black 20.0 - -

Silica 15.0 15.0 15.0Ppt calcium carbonate 40 - 40

Aromatic oil 7.5 - 10

DOP 7.5 - -

Ethylene Thiourea - - 0.5


Pilcure TMTD 1.0 1.0 -

Sulphur 1.0 1.0 -

Cure 150C 10 min 150C 10 min 150C 30min


13/17


Hardness, IRHD

Material 70 80 90

NR (RSS-I) 100.0 100.0 65.0

SBR 1958 - - 35.0

Pilmast-7 0.1 0.1 0.1




HAF Black 40.0 55.0 45.0

Whiting 100.0 60.0 150.0




Sulphur 2.5 2.5 2.5

Cure 160C-8

min

160C-8

min

160C-8

min

MOULDED PRODUCTS-NBR BASED (OIL RESISTANT)

Hardness, IRHD

Material 60 70 80

Medium CAN-Nitrile Rubber 95.0 95.0 100.0

SBR 1502 5.0 5.0 -




Pilflex-100 0.5 0.5 0.5

HAF Black 30.0 30.0 30.0

SRF Black 20.0 35.0 40.0

DOP 12.0 10.0 12.0

CI Resin 5.0 5.0 5.0

Paraffin Wax 1.0 1.0 1.0

Aromatic Oil 10.0 - -



Sulphur 1.0 1.0 1.0

Cure 160C-5min

160C-5 min 160C-5min

MOULDED PRODUCTS-POLYCHLORPRENE BASED

Hardness, IRHD


14/17

Material 60 70 80

Polychiloroprene W-Tyre 100.0 100.0 100.0

Light Magnesium oxide 4.0 4.0 4.0


Pilflex 100 0.5 0.5 0.5

SRF Black 35.0 45.0 65.0

China clay 25.0 60.0 100.0Aromatic oil 10.0 15.0 20.0


CI Resin 2.5 4.0 5.0


Ethylene Thiourea 0.6 0.6 0.75


Cure 150C-

15min

150C-

15min

150C-

15min

\

MOULDED PRODUCTS-EPDM BASED

Hardness, IRHD

Material 60 70 80

EPDM (Med-ENB) 100.0 100.0 100.0




Pilflex 100 0.5 0.5 0.5

FEF Black 100.0 100.0 100.0

SRF Black 50.0 80.0 100.0

Naphthenic oil 80.0 90.0 90.0Pilcure MBT 1.5 1.5 1.5


Pilcure ZDC 2.5 2.5 2.5

Sulphur 2.0 2.0 2.0


MISCELLANEOUS PRODUCTS-ROLLERS NR BASED

Material Textile Mill

IRHD 70

Paper Mill

IRHD 60

Typewriter

IRHD 90+NR (RSS-I) 100 100 100

Pilmast 7 0.2 0.2 0.2

Zinc oxide 5 5 10

Stearic Acid 2 2 1

Pilnox SP 2 2 -

Pilnox TDQ - - 2

SRF Black - - 60

Ppted silica 20 35 -


15/17

Soft clay 140 80 40

Whiting - - 40

Naphthenic oil 5 10 10

CI Resin 5 5 5

Pilcure F 1 1.2 2

Sulphur 6 6 15

Titaniumdioxide

- 10 -

Light Magnesia - - 4

Cure 150C-30min 150C-30

min

150C-30

min

Paddy Dehusking Rollers

Medium CAN Nitrile Rubber 100.0

Sulphur 5.0

Zinc Oxide 5.0

Stearic Acid 1.5

Pilnox TDQ 1.0Ppt Silica 65.0

Hexa Modified PF Resin 20.0

DOP 5.0

Titanium Dioxide 10.0

Diethylene Glycol 3.0

Pilcure CBS 1.2

Pilcure MBT 0.2

Cure Press 150C 90 min

Post cure2 hrs.

130C

Rice Polishers-Soft Layer

NR (RSS-I) 100.0

Zinc oxide 5.0

Stearic Acid 1.0

Pilnox SP 1.0

Ppted calcium carbonate 25.0

Whiting 50.0

Process oil 20.0

Paraffin wax 1.0

Pilcure F 1.3

Pilcure TMTD 0.05Sulphur 1.0

Cure 140C-

15min



16/17

Material Hot Water

Botle

Feeding

Bottle

Teat

Injection

Bottle

Cap

Pale Crepe 100 100 100

Zinc oxide 5 - 3Stearic Acid 1 - 1

Zinc Stearate - 1 -

Pilnox SP 2 0.5 1

Ppt calcium carbonate 40 - 60

Ppt Barium sulphate - - 40

China clay 40 - -

Naphthenic oil 6 - -

Paraffinic oil - - 5

Paraffin wax 1 - 1

Pilcure F 1.2 - -

Pilcure TMTD 0.1 - 0.2

Pilcure ZDC - 0.4 0.4Sulphur 1.5 1.5 1.5

Titanium dioxide and colour q.s - q.s

Cure 150C-8

min

150C-12

min

150C-

10min

NR LATEX DIPPED PRODUCTS

Material Industrial

Gloves

Heat Resis-

Tant Surgical Gloves

Feeding

Bottle Teat

60% NR Latex 167 167 167

20% Stabilisers solution 5 5 5

50% Sulphur dispersion 4 - 2

50% Pilcure ZDC dispersion 2 4 2

40% Zinc oxide dispersion 5 4 0.5

50% China clay dispersion 40 - -

20% Pilnox TDQ dispersion 3 - -

50% Pilcure TMTD dispersion - 5 -

50% Pilnox SP Emulsion - 2 -

10% Thiourea solution - 10 -

33% Colour dispersion q.s - -

Cure (hot air) 110C-30 min 110C-30 min 110C-30 min

LATEX FOAM


17/17

60% NR Latex 167

50% Sulphur dispersion 4

20% Potassim oleate 5

50% Pilcure ZDC dispersion 2

50% Pilcure ZMBT dispersion 2

50% Pilnox SP Emulsion 2

20% Pilnox TDQ dispersion 250% China clay dispersion 15

Colour q.s

50% Zinc oxide dispersion 1

20% Sodium silicfluoride

dispersion

6

Cure (open steam) 100C-30 min

LATEX SPRAY FOR COIR TREATMENT (COUR FOAM)

60% NR Latex Soft Water 167

q.s for viscosity adjustment20% Potassium hydroxide

solution

1

20% Emulsifying agent 8

50% Pilcure ZDC dispersion 2

50% Sulphur Dispersion 5

50% Zinc oxide dispersion 6

50% Pilcure ZMBT dispersion 2

20% Pilnox TDQ dispersion 5

50% Pilnox SP emulsion 2

Cure (open steam) 100C-30 min

rubber formulations

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