Overview
Perkadox PD-50S-PS is a monofunctional organic peroxide, supplied as a 50% formulation in paste form, used for the crosslinking of silicone rubber. As one of the recommended international brand products in our organic peroxide range, Perkadox PD-50S-PS is supplied with supply chain resource support for formulators sourcing a paste-form crosslinking system for silicone rubber compounds.
Specifications
| Appearance | Off-white homogeneous paste |
| Assay | 49.0-51.0 % |
Applications of Perkadox PD-50S-PS in Silicone Rubber Crosslinking
Perkadox PD-50S-PS is a monofunctional peroxide used for the crosslinking of silicone rubber. The safe processing temperature is 75°C, based on a rheometer ts2 value greater than 20 minutes, while the typical crosslinking temperature is 90°C, based on a rheometer t90 value of approximately 12 minutes.
Why the Paste Form Matters for Silicone Rubber Compounders
Because Perkadox PD-50S-PS is supplied as an off-white homogeneous paste rather than a liquid or powder, formulators working with silicone rubber compounds can benefit from handling characteristics suited to paste-mixing equipment already used for other paste-form additives in a compound. The defined safe processing and crosslinking temperature windows give formulators a reference point for scheduling mixing and cure steps without premature scorch.
Why Sourcing Consistency Matters for Buyers
Because assay directly affects crosslinking efficiency and dosing accuracy, formulators should confirm current specifications for this peroxide against the latest technical data sheet before scheduling a production run. A supplier that consistently delivers this material within its stated assay range reduces the need to re-qualify a crosslinking recipe with every new batch.
This is particularly relevant for silicone rubber compounders relying on the stated safe processing and crosslinking temperature windows, where scorch behavior and cure efficiency are directly tied to peroxide purity and dosing consistency. Buyers should confirm current batch documentation against the latest technical data sheet before finalizing a production schedule.
What to Consider When Sourcing Perkadox PD-50S-PS
Buyers evaluating Perkadox PD-50S-PS for the first time should confirm that its assay (49.0-51.0%) matches their formulation requirements, and should review the safe processing temperature of 75°C and typical crosslinking temperature of 90°C against their own mixing and cure equipment capabilities. Requesting the current certificate of analysis alongside the safety data sheet is a practical way to confirm that a given batch matches the specifications listed above.
Packaging, storage temperature requirements, and transport classification should also be confirmed directly with the supplier, since organic peroxides are subject to specific handling and shipping regulations. Buyers sourcing this material for time-sensitive production schedules should discuss lead time and temperature-controlled logistics requirements before finalizing an order.
General Handling and Storage Guidance
As with other organic peroxides, this product should be stored in accordance with the supplier’s safety data sheet, typically in a cool, temperature-controlled, well-ventilated area away from direct sunlight, incompatible materials, and sources of heat or ignition. Personnel handling this material should follow the personal protective equipment and handling procedures specified in the SDS, since organic peroxides can decompose exothermically under certain storage or contamination conditions.
Buyers should request and review the current safety data sheet for Perkadox PD-50S-PS prior to receipt, and confirm that on-site storage conditions, including temperature control, are compatible with the product’s recommended storage requirements. Proper inventory rotation and adherence to the stated shelf life help maintain the assay and performance characteristics described above.
Where to Source This Product
Thousands Chemicals supplies Perkadox PD-50S-PS and related organic peroxide products through our digital B2B marketplace, with supply chain resource support for formulators sourcing crosslinking systems for silicone rubber compounds. Peroxide handling and classification are commonly referenced against guidelines published by ASTM International. Our team can help confirm packaging, lead times, and technical documentation for your target application and order volume.
Documentation We Can Provide
For qualified buyers, we can provide the safety data sheet and, where available, a certificate of analysis for the specific batch of Perkadox PD-50S-PS being quoted. Specifications listed on this page reflect the manufacturer’s published values; buyers should confirm current documentation before finalizing a purchase order.
FAQ
What is Perkadox PD-50S-PS used for?
It is a monofunctional peroxide used for the crosslinking of silicone rubber, supplied as a 50% formulation in paste form.
What are the safe processing and crosslinking temperatures for Perkadox PD-50S-PS?
The safe processing temperature is 75°C (rheometer ts2 greater than 20 minutes), and the typical crosslinking temperature is 90°C (rheometer t90 approximately 12 minutes).
What is the assay and appearance of Perkadox PD-50S-PS?
It has an assay of 49.0-51.0%, supplied as an off-white homogeneous paste.
Can you provide technical documentation and bulk pricing for Perkadox PD-50S-PS?
Yes, technical data sheets and SDS documentation are available on request, and our team can provide bulk pricing and lead times based on your target volume and delivery location.
Get a Quote for Perkadox PD-50S-PS
Contact our team for pricing, documentation, and lead time on Perkadox PD-50S-PS. Our sourcing specialists can help confirm whether this crosslinking system matches your process requirements before you place an order.
