Perovion BIBP P14-40

Inert carrier-based BIBP powder at 40% active content for rubber and polyolefin crosslinking

Perovion BIBP P14-40 is a powder-form organic peroxide containing 40% of Di(tert-butylperoxyisopropyl)benzene (BIBP) dispersed on an inert carrier system. As a bifunctional aromatic peroxide, Perovion BIBP P14-40 is used for the crosslinking of natural and synthetic rubbers including EPDM, FKM, HNBR, silicone rubber, and POE, as well as thermoplastic polyolefins. The inert carrier ensures controlled dusting and uniform dispersion throughout elastomer compounds, while the 40% active loading delivers an active oxygen content of 3.7–3.9%. Under certain conditions, one-step mixing into rubber compounds is possible, supporting streamlined compounding workflows.

Key Features

40% BIBP on Inert Carrier in Powder Form: Perovion BIBP P14-40 is supplied as a free-flowing powder in which Di(tert-butylperoxyisopropyl)benzene is uniformly dispersed on an inert mineral carrier at 40% active content. This formulation approach reduces handling hazards compared to the pure flake form, promotes consistent distribution throughout rubber compound matrices, and supports accurate dosage in batch compounding operations.
Excellent Scorch Safety up to 135°C: Rubber compounds prepared with Perovion BIBP P14-40 exhibit excellent scorch safety, with a rheometer ts2 exceeding 20 minutes at 135°C under standard test conditions. This processing stability supports mixing, calendering, and extrusion operations at elevated temperatures without premature cure, maintaining compound flow properties and dimensional consistency throughout pre-forming and downstream manufacturing steps.
One-Step Mixing Capability Under Certain Conditions: Perovion BIBP P14-40 supports one-step incorporation into rubber compounds under appropriate compounding conditions, allowing the peroxide crosslinker to be added together with other compound components in a single mixing cycle. This capability can reduce the number of processing passes, shorten mixing cycle times, and minimize batch-to-batch variability associated with multi-stage addition sequences.
Bifunctional Aromatic Peroxide for Efficient Crosslink Density: As a bifunctional peroxide, BIBP generates two reactive radical sites per molecule upon thermal decomposition, enabling efficient crosslink network formation across a range of rubber and polyolefin substrates. Vulcanizates produced with Perovion BIBP P14-40 show good compression set, heat aging resistance, and mechanical property retention, making the product well-suited for dynamic sealing and structural rubber applications in demanding service environments.
Broad Elastomer Substrate Compatibility: Perovion BIBP P14-40 is compatible with a wide range of rubber substrates including EPDM, FKM, HNBR, silicone rubber, POE, and natural rubber specialty compounds, as well as thermoplastic polyolefins. This substrate versatility allows compounders to standardize on a single crosslinking agent across multiple product lines, reducing inventory complexity and simplifying formulation management across production facilities.

Typical Applications

Perovion BIBP P14-40 is incorporated into rubber compounds during open-mill or internal mixer operations, where the inert carrier supports uniform blending of the active BIBP peroxide throughout the elastomer matrix. Thermal activation at approximately 175°C — corresponding to a rheometer t90 of around 12 minutes — produces thermally stable vulcanizates with controlled crosslink density and good resistance to reversion. The peroxide crosslinking mechanism avoids sulfur-related discoloration, blooming, and odor, making Perovion BIBP P14-40 suitable for colored, transparent, and odor-sensitive rubber compounds as well as applications requiring clean combustion or low residue in high-temperature service.

End-use applications include EPDM sealing profiles, weatherstripping, and automotive gaskets for thermal and weather resistance; FKM and HNBR O-rings and seals for oil, fuel, and chemical media service; silicone rubber molded parts for high-temperature automotive and industrial components; POE elastomer crosslinking for flexible foam and sheet; specialty elastomer compounds for construction, appliance, and industrial equipment where sulfur-free vulcanization systems are required; and thermoplastic polyolefin crosslinking for wire and cable insulation, pipe, and film applications.

Technical Specifications

Chemical Type: Di(tert-butylperoxyisopropyl)benzene (BIBP) on inert carrier
Appearance: White to off-white free-flowing powder
Active Content: 40%
Total Active Oxygen: 3.7–3.9%
Density at 20°C: To be confirmed based on the final specification sheet.
Viscosity at 20°C: N/A — solid powder form
Water Content: To be confirmed based on the final specification sheet.

Thermal Stability

Organic peroxides are thermally unstable substances and must be handled with appropriate care.
SADT: To be confirmed based on the final specification sheet.

Storage Recommendations

Recommended maximum storage temperature: To be confirmed based on the final specification sheet.
Store in a dry, well-ventilated area away from heat sources and direct sunlight.
Keep containers tightly closed.
Avoid contact with reducing agents, acids, alkalis, and heavy metal compounds.

Packaging & Transport

Standard Packaging: 20 kg
Net Weight: 20 kg
UN Number: To be confirmed based on the final specification sheet.
Transport Class: To be confirmed based on the final specification sheet.