# Semi ultra fast accelerator
in sulphur vulcanization
system for diene rubbers .
# Retarders for Chloroprene
rubber.
# Non-discoloring & nonstaining
Rubber to metal bonding applications.
Motor cycle & scooter tyres, cycle tyres & butyltubes.
Beltings
Hot air cured products
Miscellaneous molded
& extruded rubber prodcuts.
Pentocure - MBTS
2-2'-Dithiobis(benzothiazole)
Appearance: Creamish to Greyish powder
Melting Point: 172 - 180⁰C
Ash Content - 0.5 % max.
# Semi-ultra fast accelerator
in sulphur vulcanization
system for diene rubbers.
# Good retarder for Chloroprene rubber.
# Non-discoloring & nonstaining.
Similar to Pentocure - MBT
(Benefis of MBTS : Scorch
safety is better than MBT)
Pentocure - ZMBT
Zinc-2-mercaptobenzothiazole
Appearance: Light yellow to yellow
Melting Point: 320⁰C min.
Ash Content: 19 - 21% max.
# Semi-ultra fast accelerator
in sulphur vulcanization
system for diene rubbbers.
# Non-discoloring & nonstaining.
# Scorch safety is much
highed& hence can be used
in place of MBT for scorch
control.
# It is mainly used in latex
compounding along with
Pentocure ZDEC/ZDBC to
improve the state of cure.
NR/Synthtetic Rubber Latex based products such as latex foam, Coir foam, Carpet backing,
latex thread etc.
Footwear soles & heels
Hot air cured footwear
miscellaneous & extruded goods.
Pentocure – F
Blend of MBTS & basic accelerators
Appearance: Light creamish to creamish
Melting Point: 140⁰C min.
Ash Content: 0.5% max.
# Semi-ultra fast accelerator
in sulphur vulcanization
system for diene rubbbers.
# Non-discoloring & nonstaining.
# Scorch safety than MBT
& slightly faster cure rate &
higher state of cure as
compared to MBT & MBTS
# Recommended for
white/colored products as
compared to MBT, MBTS
& ZMBT.
Hot air cured products - Rubber ball & tennis ball.
Cycle tyres ( Black & colored)
Footwear products
Cables & rubber rollers
Ebonites, other molded & extruded goods etc.
Pentocure – CBS
N-cyclohexyl-2-benzothiazolesulfenamide
Appearance: Creamish to
White Powder/Granules
Melting Point: 98-104⁰C min.
Ash Content: 0.5% max.
# Fast - delayed action accelerator in sulphur vulcanization
system for diene rubber.
# Non staining. At higher dosages, slight discoloration.
# CBS shows faster cure rate,
higher state of cure &
moderate plateau effect as
compared to Thiazole class.
# Higher stress-strain
properties along with better
resilience and flex - fatigue
resistance as compared to
Thiazole class.
Open steam curedrubber products.
Hoses, extruded tube & profiles.
tyre retreading and repair materials.
Injection molded products & various compression / transfer molded
Pentocure - NOBS/MOR
2-(4-Morpholinothio) benzothiazole
Appearance: White to creamish Powder/Granules
Melting Point: 80 -90⁰C min.
Ash Content: 0.5% max.
# Fast - delayed action
accelerator in sulphur
vulcanization system for
diene rubber.
# Non staining. At higher
dosages, slight discoloration.
# MOR offers longer scorch
safety as compared to CBS &
TBBS.
# MOR based compound
shows excellent shelf life
with retention of cure
activity as compared to
CBS & TBBS.
Open Steam cured rubber products.
Auto tyres, tyre retreading materials.
Conveyor & power transmission beltings.
Rubber goods with thick cross sections.
Injection molded products & various compression / transfer molded.
Pentocure – TBBS
N-Tertiarybutyl-2-benzothiazole sulfenamide
Appearance: Creamish to
White Powder/Granules
Melting Point: 98-104⁰C min.
Ash Content: 0.5% max.
# Fast - delayed action
accelerator in sulphur
vulcanization system for
diene rubber.
# TBBS based compound
offers betterscorchsafety
& higher state of cure as
compared to CBS.
# TBBS cured products
shows higher modulus,
tensile strength,resilience
and elastic properties as
compared to CBS & MOR.
.
Auto tyres treads & casing
Cyle tyres treads
Conveyor belt cover
Transmission belts & V-belts
Hoses - Tube & Cover.
Pukhocure – TMTM
Tetramethyl thiuram monosulfide
Appearance: Yellowishto light yellowish powder
Melting Point:104 -112⁰C min.
Ash Content: 0.5% max.
# Ultra fast accelerator in
sulphur vulcanization system
for diene rubber.
# TMTM show better scorch
safety than TMTD.
# TMTMexhibitslowcrosslink
density tham TMTD.
# TMTM is a monosulfidic
thiuram type.
Cable isolators & cables
Coloredrubberproducts
Hot air, Steam, Press vulcanized products
Transfer and Injection products.
Pukhocure – TMTD
Tetramethyl thiuram disulphide.
Appearance: White to Creamish Powder.
Melting Point: 145 - 153⁰C min.
Ash Content: 0.5% max.
# Ultra fast accelerator in
sulphur vulcanization
system for diene rubber.
# TMTD used as a secondary
accelerator with thiazole/
sulphenamide class accelerators.
# TMTD shows faster scorch
& cure characteristics with
relatively broad curing
range & flat plateau effect.
# TMTD act as a retarder
for CR & other halo-rubber
Rubber to metal bonded products.
Non-staining & nondiscoloring applications.
Auto Tyres & tubes. Cycle tyres & tubes.
Conveyor / transmission beltings.
Hot air cured products.
Food contact rubber products.
Pentocure - ZBEC
Zinc dibenzyl-dithiocarbamate.
Appearance: Off white to white powder/Granules
Melting Point: 178⁰C min.
Ash Content: 11.5 - 15.5% max.
# Ultra fast accelerator.
(Non-discoloring & nonstaining)
# ZBEC used as primary as
well as secondary accelerator in latex & dry rubber
based compounds.
# Required dosage of ZBEC
is higher than ZDEC & ZDBC
to achieve equivalent state
of cure.
Latex dipped goods & foamed products.
Sports Good
Proofing materials.
Extruded products.
Pentocure – ZDEC
Zinc diethyl-dithiocarbamate.
Appearance: Off white to white powder.
Melting Point: 175⁰C min.
Ash Content: 21- 23% max.
# Ultra fast accelerator for
latex based compounds.
# Secondary accelerators for
dry rubber based sulphur
cured compounds.
# ZDEC shows scorching
tendency, faster cure rate,
higher cross link density but
poor reversion resistance.
# Very active booster accelerator even at very small dosages.
# Non-staining &
no-discoloring even on
exposure to light.
# Non-bloomimg, nonstaining ultra fast accelerator.
# ZDBC is faster than ZDEC
in latex compounding &
vice-versa in dry rubber
comounding.
# ZDBC shows scorching
tendency, faster cure rate,
higher cross link density in
combination with thiazoles.
# Very good ageing resistance
in presence of antioxidants.
Bloom free products like EPDM Profiles, etc.
Latex based products: Surgical gloves, Latex Threads, for transparent goods & heat
resistant products, Ballons etc.
# ETU imparts a high state of
cure to neoprene compounds.
# ETU with dosage 0.4 - 0.75
phr in Neoprene exhibits
optimum heat/compression
set resistance.
# ETU works best for silica
reinforced neoprene rubber.
# It is an activator and secondary accelerator for lowsulfur vulcanization of other
diene rubber.
Flame retardant articles.
Extruded profiles likecables.
Hot steam vulcanizates.
Sponge profile.
Chemical resistacne rubber lining.
Pentocure – DPTU
N,N-Diphenylthiourea
Appearance: Off White to white powder.
Melting Point:145 - 150⁰C min.
Ash Content: 0.5% max.
#DPTU is a non-discoloring
accelerator for CR.
# It is used as secondary
acclerator for CR, EPDM &
other diene rubbers.
# DPTU has faster cure times
with better scorch resistance
than ETU
Polychloroprene & NR latex.
EPDM sponge compounds.
NR & SBR ( EV or SemiEV curing system)
Molded & extruded products.
Pentocure – DPG
N,N'-dipheny guanidine
Appearance: Off White to white powder.
Melting Point: 143 - 149⁰C min.
Ash Content: 0.5% max.
# DPG is a secondary vulcanization accelerator, frequently
used as activator.
# DPG is used in combination
with sulfenamides for silica
filled compounds.
# Vulcaniate with gaunidines
discolor on light exposure.
# It provides a very long
scorch time & slow full cure.