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PEROXAN BV-40 P

PEROXAN BV-40 P is Butyl-4,4-di-(tert-butylperoxy) valerate 40%, Powder with chalk.PEROXAN BV-40 P is used for the crosslinking of natural rubber and synthetic rubber, as well as polyolefins.

Brand: PEROXAN (176 products)

Chemical Name: Butyl 4,4-bis(tert-butyldioxy)valerate

CAS Number: 995-33-5

Functions: Curing Agent

Chemical Family: Peroxides

Compatible Polymers & Resins: Ethylene Propylene Diene Monomer (EPDM), Ethylene Propylene Rubber (EPM), Ethylene Vinyl Acetate (EVA), Natural Rubbers (NR), Nitrile Butadiene Rubber (NBR), Styrene Butadiene Rubber (SBR)

Synonyms: 4,4-Bis(1,1-dimethylethylperoxy) valeric acid butyl ester, 4,4-Di(tert-butylperoxy)valeric acid butyl ester, Butyl 4,4-bis(tert-butylperoxy)pentanoate, Butyl 4,4-bis(tert-butylperoxy)valerate, Butyl 4,4-di-tert-butylperoxyvalerate, Butyl 4,4′-bis(tert-butylperoxy)valerate, n-Butyl 4,4-bis(t-butylperoxy)valerate, n-Butyl 4,4-bis(tert-butylperoxy)valerate, n-Butyl 4,4-di(tert-butylperoxy)valerate

Technical Data SheetSafety Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Chemical Family
Peroxides
Chemical Name
Butyl 4,4-bis(tert-butyldioxy)valerate
Plastics & Elastomers Functions
Curing Agent
CAS No.
995-33-5
EC No.
213-626-6
Technologies
Elastomers,
Plastics
Product Families
Elastomers — Elastomer Additives
Catalysts, Initiators & Crosslinkers
Plastics — Polymer Additives
Catalysts, Initiators & Crosslinkers

Features & Benefits

Materials Features
Scorch Resistant

Applications & Uses

Markets
Automotive & Transportation,
Building & Construction,
Consumer Goods,
Electrical & Electronics,
Industrial
Applications
Automotive & Transportation — Automotive
Tires
Building & Construction — Building Materials
Pipes & Plumbing
Industrial — Chemical & Industrial Manufacturing
Equipment & Parts
Building & Construction — Decorative Materials & Finishes
Wallcoverings & Decorative Laminates
Building & Construction — Flooring & Surfaces
Other Flooring & Surface Applications
Consumer Goods — Footwear
Industrial — Power, Water & Utilities
Renewable Energy
Electrical & Electronics — Wire & Cable
Building Wires & Power Cables,
Other Wire & Cable Applications
Compatible Polymers & Resins
Ethylene Propylene Diene Monomer (EPDM),
Ethylene Propylene Rubber (EPM),
Ethylene Vinyl Acetate (EVA),
Natural Rubbers (NR),
Nitrile Butadiene Rubber (NBR),
Styrene Butadiene Rubber (SBR)
Plastics & Elastomers End Uses
Belts & Belt Repair,
Conveyor Parts,
Pump Parts
Recommended Applications

PEROXAN BV-40 P is recommended for the crosslinking of NBR, SBR, EPM, EPDM and EVA. Rubber compounds containing PEROXAN BV-40 P have excellent scorch safety. Safe processing temperature (t2): 125°C Typical crosslinking temperature (t90): 160°C The safe processing temperature t2 is defined as the temperature, at which the scorch time is longer than 20 minutes. The typical crosslinking temperature t90 is defined as the temperature at which 90% of the crosslinks in the compound are formed within about 12 minutes.

Properties

Physical Form
Powder,
Solid
Appearance
White Powder
Typical Properties
ValueUnitsTest Method / Conditions
Active oxygen assayappx. 3.83%-
Bulk density at 20°C560kg/m³-
Molecular Weight334.5--
Peroxide assayappx. 40%-

Technical Details & Test Data

Half Life Information
t ½ 10 h 1 h 1 min
bei0°C 0°C 0°C

 

Major Decomposition Products
  • Acetone
  • Carbon dioxide
  • Methane
  • N-Butyl levulinate
  • N-Butyl propionate
  • tert-Butanol

Safety & Health

Safety Characteristics
SADT 60°C

 

Packaging & Availability

Packaging Type
Boxes
Packaging Information
  • 25kg cardboard box

Storage & Handling

Shelf Life
6 Months
Product Handling and Storage
  • Maximum storage temperature (Ts max) : 30°C
  • Storage stability as from date of delivery : 6 months
  • Organic Peroxides are more or less stable products but will decompose under the influence of heat. To minimize a loss of quality during storage, it is important that the recommended maximum storage temperature is not exceeded. If a minimum storage temperature is given, an undesirable process such as a solidification or phase separation, is known to occur below this temperature.
  • Please refer to the material safety data sheet (MSDS) for information concerning safe storage, use and handling of PEROXAN BV-40 P.