YUNNO / TECHNICAL LIBRARY
Organic Peroxide Technical Library
Substance data, grade cross-references, curing parameters and troubleshooting notes for formulation, procurement and production teams.
21
technical guides
44
CAS substances
5
topics
01 / QUICK ACCESS
Start here
Chemical Index · 44 substances
Look up chemical name, half-life, SADT and equivalent grades by CAS number.
Organic peroxide half-life chart
Screen initiators and curing conditions by 0.1h, 1h and 10h half-life temperature.
RAL colour lookup
Search RAL Classic, K7 and K5 codes, names and HEX/RGB values.
Benzoyl peroxide grade selector
Compare BPO-75W, A75, GB-50, paste and granular grades.
CAS / SUBSTANCE INDEX
High-priority CAS substances
Each substance page consolidates the chemical name, formula, active oxygen, half-life and equivalent grades. CAS searches should land on one substance page, not several product pages.
Di(4-methylbenzoyl) peroxide
Tert-Butyl Peroxy-2-Ethylhexanoate
1,1-bis(tert-butylperoxy)-3,3,5-trimethylcyclohexane
Di(2,4-dichlorobenzoyl) peroxide
2,5-Bis(tert-butyl peroxide)-2,5-dimethylhexane
1,1-bis(tert-butyl peroxy)cyclohexane
Di(tert-butylperoxyisopropyl)benzene
Dibenzoyl Peroxide
02 / DATA
Data & Safety
Half-life, SADT, storage and transport data for process and safety reviews.
Organic Peroxide Half-Life Chart & Temperature Calculation Guide
Comprehensive organic peroxide half-life temperature chart (0.1h, 1h, 10h) for LPO, BPO, TBPEH, TBEC, DCP, BPDH, BIBP, DTBP with kinetic calculations.
Organic Peroxides SADT (Self-Accelerating Decomposition Temperature), Hazard Classification & Safe Storage Guide
Technical guide to Organic Peroxides SADT (Self-Accelerating Decomposition Temperature), Class 5.2 transport classification, and cold storage safety...
03 / SELECTION
Selection & Substitution
Choose initiators by chemistry, grade and process temperature, including cross-reference and substitution.
Benzoyl Peroxide (BPO) Complete Guide: Half-Life, Applications & Selection
Benzoyl peroxide (BPO, CAS 94-36-0): half-life, properties, forms (BPO-75W/50 paste), applications in UP resin curing and polymerisation, plus safe...
MEKP Curing Guide: Mechanism, Applications & Safety
MEKP (methyl ethyl ketone peroxide, CAS 1338-23-4): room-temperature curing mechanism, half-life, formulation and safe handling for UP/vinyl ester...
tert-Butyl Hydroperoxide (TBHP) Complete Guide: Half-Life, Applications & Selection
TBHP (tert-butyl hydroperoxide, CAS 75-91-2): properties, half-life, 70% aqueous form, redox curing and polymerisation uses, plus safe storage.
Dicumyl Peroxide (DCP) Crosslinking Guide: Grades, Dosages, Vulcanization & Low-Odor Alternatives
Comprehensive technical guide to Dicumyl Peroxide (DCP, CAS 80-43-3): 40%/99% grades, XLPE/EVA/EPDM curing dosages, and low-odor BIBP alternatives.
BIBP & Perkadox 14 Series Low-Odor Crosslinking Agents Selection & Rubber Vulcanization Guide
Comprehensive guide to BIBP (CAS 25155-25-3 / 2212-81-9), Perkadox 14, Luperox F40. DCP comparison, crosslinking kinetics, and EPDM/HNBR curing...
Nouryon Trigonox Organic Peroxides Selection & Cross-Reference Guide (21S, 101, 141, 301, T)
Comprehensive guide to Nouryon Trigonox 21S, 101, 141, 301, T peroxides. Half-life data, applications, and direct Arkema/United Initiators...
Vinyl Ester Resin Selection Guide: AOC Atlac 382/430/580 vs Swancor 901/907
Comprehensive comparison of AOC Atlac 382/430/580 and Swancor 901/907 vinyl ester resins: corrosion resistance, HDT, and initiator selection.
04 / APPLICATIONS
Applications & Processing
Rubber crosslinking, SMC/BMC, EVA/POE, photovoltaic encapsulation and polymer modification.
The Application of Organic Peroxides in Rubber Cross-linking: Types, Characteristics, and Limitations
Organic peroxides are widely used as crosslinking agents in rubber processing. However, different types of organic peroxides exhibit distinct...
Is TBEC a Crosslinking Agent? Deep Dive into SMC/BMC Hot Compression Molding Initiator Systems
Comprehensive guide to TBEC (CAS 34443-12-4): crosslinking initiator mechanism, half-life kinetics, TBPB replacement, and low-VOC SMC/BMC...
Nouryon Crosslinking Agents for EVA and POE Encapsulants Used in Solar Cells
EVA and POE are widely used as encapsulation materials for photovoltaic modules due to their excellent electrical insulation, flexibility, and...
Arkema Modifying Additives for EVA, POE, or EPE Packaging Films
Arkema’s peroxide products for solar encapsulation films: high quality and high purity; rapid cross-linking and high efficiency; improved...
Arkema Peroxides for Solar PV Encapsulation Films
Arkema peroxides can be used in protective films to improve production efficiency and reduce the risk of gelation. Different grades of crosslinking...
Nouryon Polymer Modification Additives
Nouryon is a global leader in the radical initiator industry, which is essential for the production of thermoplastic polymers such as PVC, LDPE,...
Nouryon Superconducting Carbon Black Ketjenblack
Carbon black is distributed throughout the polymer’s overall structure, thereby providing uniform conductivity and enabling the polymer’s surface...
05 / RAL
RAL Industrial Colour
RAL Classic and K5/K7 colour lookup for industrial coatings, gel coats and powder finishing.
RAL International Standard Color Chart (Digital Version)
RAL color chart – search RAL K7 & K5 codes, HEX and RGB values online. Complete digital RAL reference for industrial coatings and architectural...
RAL International Color Standard Complete Guide: K7/K5 Selection, Color Lookup & Industrial Coating Applications
Comprehensive guide to the RAL Color Standard: K7 vs K5 fan decks, industrial coating codes (RAL 7035, 7001, 9010), and digital HEX/RGB color...
06 / UPDATES
Brand & Product Updates
Product launches, grade changes and composites applications from Nouryon, Arkema and other suppliers.
Nouryon has launched a new version of Butanox M-50 Vanishing Red peroxide.
The new version includes a less hazardous dye solvent, allowing customers to handle it more safely and reduce its environmental impact while...
Nouryon has launched two new versions of the Perkadox GB-50 benzoyl peroxide (BPO) curing agent
Nouryon has introduced two new versions of the Perkadox GB-50 benzoyl peroxide (BPO) curing agent, which significantly improve the performance of...
Nouryon (formerly Akzo) has launched a new powdered version of its Perkadox 16 (BCHPC) organic peroxide.
The new version of Perkadox 16 GB-70 is designed for processes such as in-situ pipe curing (creating a new pipe inside an existing damaged pipe) and...
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