Perkadox® 14-40B-PD-S is a bifunctional organic peroxide, specifically Di(tert-butylperoxyisopropyl) benzene, formulated at 40% concentration on an inert carrier system in powder form. It serves as an efficient crosslinking agent for natural and synthetic rubbers, as well as polyolefins, ensuring enhanced mechanical properties and thermal stability in the final products.
Perkadox 1440
Di(tert-butylperoxyisopropyl) benzene
BIPB
Perkadox 14-40B-PD-S
CAS Numbers: 2212-81-9, 25155-25-3
Molecular Weight: 338.5 g/mol
Active Oxygen Content: 9.45%
Assay: 39.0–41.0%
Appearance: Off-white powder
Safe Processing Temperature: 135°C (rheometer ts2 > 20 min)
Typical Crosslinking Temperature: 175°C (rheometer t90 ≈ 12 min)
Self-Accelerating Decomposition Temperature (SADT): 80°C
Excellent scorch safety, allowing for safer processing.
Enables one-step mixing under certain conditions, improving manufacturing efficiency.
Enhances the mechanical strength and thermal stability of vulcanized products.
Suitable for a wide range of elastomers and polyolefins.
Crosslinking agent for:
Natural Rubber
Synthetic Rubbers (e.g., EPDM, FKM, HNBR)
Polyolefins (e.g., PE, EVA)
Used in manufacturing:
Automotive parts
Wire and cable insulation
Shoe soles
Industrial hoses
Seals and gaskets
The optimal dosage varies based on the specific application and desired properties. It’s essential to conduct preliminary trials to determine the appropriate concentration for your formulation.
1 kg (repacked for R&D and trials)
25 kg
We offer reliable transportation and courier services to ensure timely delivery.
Store in a dry, well-ventilated area away from heat sources and direct sunlight.
Keep containers tightly closed when not in use.
Avoid contact with reducing agents, acids, alkalines, and heavy metal compounds.
Maximum Storage Temperature: 30°C
Under recommended storage conditions, the product remains within specifications for at least 12 months post-delivery.
Nouryon. (n.d.). Perkadox® 14-40B-PD-S – Polymer crosslinking. Retrieved from Nouryon Official Website
Nouryon. (n.d.). Product Data Sheet: Perkadox® 14-40B-PD-S. Retrieved from Product Data Sheet PDFSpecialChem Polymer Additives+16Nouryon+16Nouryon+16Nouryon
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