Home > Products > Chemicals > Chemical Auxiliary & Catalyst > Chemical Auxiliary

Product Name

TMTD (TT)

Chemical Name

Tetramethylthiuram disulfide

Molecular Formula

CAS No.

137-26-8

Molecular Weight

240.41

Specifications

Item

Standards

Product Form

Powder

dust-free powder

Appearance

White or Light-yellow powder/granules

Assay % (≥)

96

96

Initial Melting Point ℃ (≥)

140.0

140.0

Loss on Drying % (≤)

0.3

0.4

Ash % (≤)

0.3

0.4

Residue on 63μm Sieve % (≤)

0.5

0.5

Residue on 150μm Sieve % (≤)

0.1

0.1

 Density,g/cm3

1.29

1.29

Additive, %

1.0-2.0

Application

Vulcanization speed

Speeding

Application

◆ RXX TMTD as a primary accelerator and as a secondary accelerator in combination with sulfonamide / thiazoles, etc. is extensively used in NR, SBR, NR-SBR/BR blends, NBR, IIR, EPDM and other synthetic rubber based compounds for the manufacture of auto tyres and tubes, cycle tyres and tubes, conveyor / transmission beltings, retreading materials, footwear, hot air cured products and miscellaneous molded and extruded rubber products.

Package

Kraft paper bag or drum

25 kg

Validity

24 months

EINECS No

137-26-8 

Executive standard

HG/T2334-2007

Product name

TMTD(TT)-80

Carrier

SBR+TPR

Chemical Composition

Tetramethyl thiuram disulphide

Active Content %

80

Color

Grey-white granules

Mooney Viscosity ML1+4 50℃  ≤

60

Mesh

100

Density

1.14

TMTD(TT)-80

Pre-Dispersed Polymer Bound Chemicals

function

Vulcanizing Agent

composition

Mixture of 80% tetramethylthiuram disulphide and 20% polymer and dispersing agent

Density（g/cm3）

Approx 1.15

Ash%(≤)

Application Notes

Use

TMTD-80 can act as ultra accelerator for natural rubber and synthetic rubber,as well as a vulcanizing agent for sulphur-less or low-sulphur curing systems,especially apply to shoes,cables and other industry products

Dosage

0.2 - 2.0phr

Packaging

25 kgs in carton box with polyethylene bag liner

Storage

Keep cool (below 25℃) and dry in original package.24 months from production date