Predispersed Rubber Chemicals MBT-80
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Post Date:
Aug 29,2018
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Expiry Date:
Feb 25,2019
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Detailed Description:
Detailed Product Description
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HiDispersion® Predispersed Rubber Chemicals
MBT-80 Semi-ultra accelerator for the vulcanization of natural and diene synthetic rubbers
Product description
Composition
80% 2-mercapto-benzthiazol,
20% EPDM/EVA binder and dispersing agents
Appearance
Light yellow granules
Density,20 oC
Approx. ~ 1.33 g / cm3 (20oC)
Physiological properties : See safety data sheet (MSDS)
Raw material characteristics of MBT:
Melting point
~ 172 oC
Evaporation loss
≤ 0.5 %
MBT content
≥ 98%
Sieve residue 63µm
≤ 0.5 %
Ash content
≤ 0.5 %
Use Characteristics An accelerator HiDispersion® MBT-80 which is most frequently used for NR, SBR, IIR, and CR. It is used independently or together with basic accelerators. HiDispersion® MBT-80 is a semi-ultra, multi-purpose accelerator with a long plateau effect. It provides vulcanizates with good physical properties. In sulfur-free compounds HiDispersion® MBT-80 acts as an anti-scorch agent, in CR compounds as a retarder. HiDispersion® MBT-80 is activated by basic accelerators as aldehyde amine and guanidine etc., and by thiurams and dithiocarbamates.
Processing Advantages The thermoplastic, excellent compatible EPDM/EVA binder which is combined with active dispersing promoters allows much more easily and quickly incorporation and excellent dispersion in the rubber mixing. In this way, optimal activity of the effective MBT is assured.
Dosage levels NR and SBR: primary: 1 - 2 phr with 2 3 phr HiDispersion® S-80
secondary: 0.5 1 phr with 0.2 - 0.3 phr HiDispersion® TMTD-80 and 1.5 phr S
sulfurless: 0.5 phr with 3 - 4 phr HiDispersion® TMTD-80
IIR: 0.5 - 1 phr with 0.5 - 1.5 phr HiDispersion® TMTD-80 and 1 - 2 phr sulfur.
Applications Mechanical articles of all kinds, e.g. treads, carcasses, air hoses, conveyor belts, driving belts, hoses, cable insulations.
Packing Net 25 kg cartons with plastic inner.
Storage stability In original closed containers under cool and dry conditions max. 2 years.
Handling Consult material safety data sheet (MSDS) for additional handling information.
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