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Ultra-accelerator for natural and synthetic rubbers and their latices |
Behaviour in Vulcanization
NAFTOCIT ZBEC is an ultra-accelerator, used either alone or as a secondary accelerator, for the fast vulcanizing of natural and synthetic latex and also solid rubber types such as NR, SBR, EPDM, IIR,IR and NBR.
Especially in latex this accelerator shows safe and reliable curing results, retarding vulcanization and the longest scorch resistance.
NAFTOCIT ZBEC is a safe dithiocarbamate. N-nitrosodibenzylamine is not cancerogenic according to the published literature.
NAFTOCIT ZBEC is also an activator for accelerators of the thiuram (TMT), mercapto (MBT) and sulphenamide (CBS) ciasses. Basic accelerators, however, have an activating effect on NAFTOCIT ZBEC.
Typical fields of application
White and light-coloured latex goods such as carpet backings, foam rubber or latex, dipped products, etc.; rubber threads, rubberized textiles;
soft rubber products such as bathing caps, bath mats; physiologically harmless (non-toxic) rubber goods; footwear, transparent rubber soles and heels; as an antioxidant in adhesives and adhesive foils; cable coverings and wire insulations; non-blooming EPDM-vulcanizates.Dosage
As the molecular weight of NAFTOCIT ZBEC is high in comparison with that of ZDEC or ZDMC, the quantity must be approximately doubled. Thiuram (TMT) may be replaced by Naftocit ZBEC in principle.Food contact applications
BGA: Empf. XXI, Cat. 1
FDA: Regulated in CFR 21, §175.105 and 177.2600
Shelf life
At least 2 years when avoiding extremely high ternperatures and humidity.
Standard packing
Multi-ply paper bags with PE-lining, 25 kg.
Product information
| NAFTOCIT ZBEC | C | |
| Product form | powder | non dusting oiled powder |
| Product Specification | ||
| Melting point start °C) min. | 184 | 182 |
| Melting point end °C) max. | 190 | 190 |
| Purity (%) min. | 98 | 96 |
| Sieve residue 63 micro (%) max. | 0.5 | 0.5 |
| Additive content (%) | - | 1-2 |
| Evaporation loss 105 °C (c/o) max. | 0.3 | 0.3 |
| Colour | white to cream coloured powder | |
| Appearance | free of hard parts and conglomerations | |
| Typical Properties | ||
| Specific gravity 20 °C (g/cm3) | approx. 1.40 | |
NAFTOCIT ZBEC is also available as a 50 % aqueous dispersion (NAFTOCIT ZBEC-D 50%)