YLSCH-RBB® Rubber Accelerator HEXA-80 is a mixture of 80% hexamethylene tetramine and 20% EPDM/EVA/SBR binder. This accelerator is used for the vulcanization of natural and synthetic rubbers, and also functions as a formaldehyde donor. YLSCH-RBB® HEXA-80 finds application as a formaldehyde donor in resorcinol-based adhesive compounds such as carcasses of steel-cord tires, in slow-curing mixes, thick-walled articles, roller coverings, and light-colored and transparent vulcanizates.
YLSCH-RBB®HEXA-80 is a slightly basic accelerator for slow vulcanization.
It causes the cure to start almost as soon as it has been added.
The rate of cure as a whole is fairly slow.
YLSCH-RBB®HEXA -80 provides a high degree of cross-linking.
Mixes containing Rhenogran HEXA-80 receive activation and secondary acceleration from mercapto, sulphenamide, thiuram and dithiocarbamate accelerators.
YLSCH-RBB®HEXA-80, in combination with resorcinol, is especially used as as a formaldehyde donor for the rubber-tometal bonding (steel cords). Rubber-to-metal bonding is favourably influ- enced by the excellent dispersion of the granulated chemical.
The addi- tional use of an antioxidant is recommanded to improve the resistance to ageing of vulcanizates, which have been accelerated by YLSCH-RBB®HEXA-80. Generally blooming does not occur.
Compared to traditional S powders, YLSCH-RBB® HEXA-80 allows:
Dust free products with a complete filtration up to 100µm, environment improver, health guard of operators.
Lower water absorption and effective guarantee of stability and activity of HMT due to pre-dispersed masterbatch.
Tack free products at room temperature (50℃), convenience and accuracy on ingredients.
Lower Mooney viscosity at lower temperature, higher quality of dispersion, no appearance of white-spot.
Impurity free, blocked filter free of extrusive products, scrap rate reduction and higher productivity thanks to filtration.
Wider compatibility with other elastomers.
YLSCH-RBB® Pre-dispersed Rubber Chemicals Masterbatch range:
Thiazole, Thiuram, Dithiocarbamate, Guandine and Thiourea
Accelerators, CBS-80, CTP-80,DPG-80, MBT-80, MBTS-75,TBBS-75,
TBzTD-70, TDEC-75, TMTD-80, ZBEC-70 etc
2.Sulfur and Insoluble Sulfur, S-80, IS60-75, IS90-65, DTDM-80, HMDC-70 etc.
3.Antidegradant, MBI-80, MMBI-70, NDBC-70 etc.
4.Scorching Retarders, CTP-80, Retarder E-80 etc.
5.Foaming Agent, ADC-75, OBSH-75, HUD, LDU, DPT etc.
6.Eco-friendly Accelerator, ZDTP-50, TP-50, Retarder E-80, ZBEC-70, TBzTD-70, TiBTD-80 etc.
If you would like to know more about Rubber Accelerator HEXA-80, please feel free to contact us.