Overview
Perkadox 14-40B-PD is a 40% formulation of a bifunctional peroxide on an inert carrier system, supplied as an off-white powder. Buyers sourcing this product benefit from a powder-diluted grade that is used for the crosslinking of natural rubber and synthetic rubbers, as well as polyolefins. Because the active peroxide is carried at 40% concentration on an inert powder base, dosing and handling can be more straightforward for rubber compounders working with powder-based mixing lines compared to handling the undiluted active substance directly.
Specifications
| Appearance | Off-white powder |
| Assay | 39.0-41.0 % |
Processing Characteristics
| Safe processing temperature | 135°C (rheometer ts2 > 20 min.) |
| Typical crosslinking temperature | 175°C (rheometer t90 about 12 min.) |
Applications of Perkadox 14-40B-PD in Rubber and Polyolefin Crosslinking
Perkadox 14-40B-PD is a bifunctional peroxide used for the crosslinking of natural rubber and synthetic rubbers, as well as polyolefins. Rubber compounds containing this powder formulation have excellent scorch safety, and under certain conditions one-step mixing is possible, which can simplify a compounder’s process flow compared to peroxides that require separate incorporation and curing stages.
Why the 40% Powder Formulation Matters
Supplying the active peroxide as a 40% formulation on an inert carrier system in powder form gives compounders a dosing format suited to solid mixing equipment, rather than the flake or liquid forms used for other bifunctional peroxide grades in the same family. This can support more consistent metering in powder-based rubber compounding operations, particularly where existing equipment is set up for solid additive handling.
Why Sourcing Consistency Matters for Buyers
Crosslinking performance in rubber and polyolefin compounding depends on consistent assay and carrier loading from batch to batch. Perkadox 14-40B-PD is specified with an assay of 39.0-41.0% active content on its carrier, and buyers running high-volume rubber or polyolefin lines typically request certificates of analysis to confirm each shipment meets this specification before it enters production. Variation in active content can shift the safe processing temperature and crosslinking temperature away from the reference values of 135°C (ts2 greater than 20 minutes) and 175°C (t90 about 12 minutes), affecting scorch margin and cure cycle planning.
For rubber compounders and polyolefin processors running continuous production schedules, supply chain reliability is just as important as technical specification. Working with a supplier that can provide consistent lot-to-lot quality and documentation helps reduce the risk of production delays tied to organic peroxide availability.
What to Consider When Sourcing Perkadox 14-40B-PD
Buyers evaluating this product for a new rubber or polyolefin formulation should confirm that the safe processing temperature and typical crosslinking temperature fit their existing mixing and curing equipment, and request the safety data sheet to plan for correct storage, transport, and handling as an organic peroxide formulation. Because it is supplied as an off-white powder on an inert carrier, sourcing managers should confirm compatibility with their existing powder metering or weighing equipment before switching from a flake or liquid grade.
Buyers moving to Perkadox 14-40B-PD from another bifunctional peroxide grade or physical form are encouraged to request technical guidance on dosage levels, since the 40% active loading changes the effective dose rate compared to higher-concentration grades. Confirming packaging options and minimum order quantities against production volume is also recommended before large-scale adoption.
General Handling and Storage Guidance
As with other organic peroxide products, this formulation should be stored in a cool, well-ventilated area away from direct sunlight, incompatible materials, and sources of contamination. Containers should remain tightly closed when not in use, and any spilled material should be handled according to the safety data sheet to avoid decomposition risks associated with concentrated organic peroxide formulations.
Personnel handling Perkadox 14-40B-PD should use appropriate personal protective equipment and follow site-specific procedures for organic peroxide storage segregation. Buyers new to handling powder-form bifunctional peroxide formulations are encouraged to review the full safety data sheet and consult applicable transport regulations before shipment.
Where to Source This Product
Chemicalsstore.com supplies Perkadox 14-40B-PD and other organic peroxide products for rubber, polyolefin, and composite manufacturing applications, with supply chain resource support for recommended international brand products. Product handling and classification should follow applicable ASTM and regulatory guidance for organic peroxides.
Documentation We Can Provide
Upon request, we can provide the safety data sheet (SDS), certificate of analysis (COA), and available technical data for Perkadox 14-40B-PD to support your procurement and quality review process.
FAQ
What is Perkadox 14-40B-PD used for?
Perkadox 14-40B-PD is a bifunctional peroxide, supplied as a 40% formulation on an inert carrier in powder form, used for the crosslinking of natural rubber, synthetic rubbers, and polyolefins.
What is the assay of Perkadox 14-40B-PD?
It has an assay of 39.0-41.0% active content, supplied as an off-white powder.
What is the safe processing temperature for Perkadox 14-40B-PD?
The safe processing temperature is 135°C, with a rheometer ts2 greater than 20 minutes. The typical crosslinking temperature is 175°C, with a rheometer t90 of about 12 minutes.
Why choose a powder formulation like Perkadox 14-40B-PD?
The 40% formulation on an inert carrier system in powder form suits solid mixing and metering equipment, offering an alternative dosing format to flake or liquid bifunctional peroxide grades.
Get a Quote for Perkadox 14-40B-PD
Contact our team for pricing, available documentation, and supply chain resource support for Perkadox 14-40B-PD to fit your rubber, polyolefin, or polymer crosslinking application requirements.
