Chinese VersionChina Suppliers > JIANGSU LIANLIAN CHEMICAL CO.,LTD > Predispersed Rubber Chemicals DPTT-70
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Predispersed Rubber Chemicals DPTT-70
Category : Catalyst and Auxiliary/Rubber Auxiliary Agent
CAS NO : EC NO : MF : MW : Packing : 25 kg Product description : Detailed Product Description Manufacturer experienced,Stable , continuable,environmental ISO9001,ISO14001,REACH pre-register.Powder,Granular,Masterbatch HiDispersion Predispersed Rubber Chemicals DPTT-70 Ultra accelerator for the vulcanization of natural and diene synthetic rubbers, respecially curing agent for sulfurless or low sulfur vulcanization. Product description Composition 70% dipentamethylene thiuram tetrasulphide, 30% EPDM/EVA binder and dispersing agents Appearance White to yellowish granules Density,20 oC Approx. ~ 1.25 g / cm3 (20oC) Physiological properties : See safety data sheet (MSDS) Raw material characteristics of DPTT: Melting point ~ 105 oC Evaporation loss ≤ 0.3 % DPTT content ≥ 96 % Sieve residue 63µm ≤ 0.5 % Ash content ≤ 0.5 % Use Characteristics The curing accelerator HiDispersion DPTT-70 causes a very rapid and scorch-safe vulcanization of natural and sythetic rubbers. In combination with mercapto and sulphenamide accelerators, HiDispersion DPTT-70 is used as an activator and secon- dary accelerator. HiDispersion DPTT-70 is also used, in small amounts, in combination with other thiuram accelerators. The vulcanizates are then characterized by exceptionally good resistance to ageing. HiDispersion DPTT-70 is normally used for NR, SBR, NBR, IIR, BR, Hypalon etc. 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 during the rubber mixing. Therefore, optimal activity of the effective DPTT is assured Dosage levels 0.35 - 3.5 phr for heat aging resistance rubber articles of all kinds. Applications It can be used as sulfurless curing agent, and it produces heat aging resistance rubber articles of all kinds, e.g. hoses, seals, bushing, especially based on EPDM and IIR. When used with MBTS-80, it can be used as accelerator for Hypalon rubber. 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. Uses : rubber products Synonyms : no data
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Predispersed Rubber Chemicals DPTT-70