Product Information:

• Product name: DYBP (2,5-Dimethyl-2,5-di(tert-butylperoxy) hexyne-3)
• CAS No. 1068-27-5
• Appearance: light yellow liquid
• Containing 2,5-dimethyl-2,5-bis(peroxy-tert-butyl)-3-hexyne of technical purity of about 95%
• This bifunctional dialkyl peroxide is used as a free radical initiator for crosslinking of polyethylene at temperatures above 180°C.

Technical data:

• Appearance: light yellow liquid
• Content: approx. 95% weight/weight
• Active Oxygen: approx. 10.6% w/w
• No desensitizer
• Density (20°C): approx. 0.889 g/cm3
• Viscosity (20°C): approx. 6.3 mPa-s
• SADT: approx. 80°C
• Refrigeration stability: freezing point approx. 8°C
• Recommended storage temperature: +10°C to +40°C
• Activity retention time at 25°C: 12 months
• Half-life data: 10 hours/1 hour/1 minute (0.1 M/benzene): 128°C/149°C/195°C

Applications:

• Peroxide crosslinker for polyethylene (HDPE, LLDPE and LDPE with carbon black).
• Crosslinking temperature: above 180°C, avoid premature crosslinking (sintering) below 150°C.
• Dosage: 0.2-2% (w/w) of the supplied product.

Features:

• High thermal stability, low volatility and high efficiency.
• Decomposition products volatilize without odor and do not bloom on sulfide surfaces.

Storage:

• Follow the recommended storage temperature range to ensure product quality and safety.
• Comply with local rules and regulations, as well as the requirements of regulatory agencies, and your insurance provider.
• Avoid freezing products, if frozen, thaw by bringing the product up to the recommended storage temperature, do not apply high temperatures to thaw.

Packaging:

• The product is packaged in 20 liter plastic drums with a net weight of 35 lbs.
• The standard pallet quantity is 1050 lbs (30 containers).

Security and handling:

• See our Safety Data Sheet (SDS) for detailed information. This material is highly hazardous, is self-reactive, and should be avoided by heating above maximum recommended storage temperatures and limitations.

REACH:

• The material has been pre-registered under REACH.

Disclaimer:

• This information and all further technical advice reflects our knowledge and experience based on in-house testing of local raw materials and is intended to provide you with information about our products and applications.
• This information should not be construed as a warranty of the characteristics of the products described or of their suitability for a particular application, nor should it be construed as providing complete instructions for use.
• This information does not provide a warranty for the product and shelf-life characteristics, nor does it provide any liability or other legal responsibility on our part, including with regard to existing third-party intellectual property rights, in particular patents.
• We reserve the right to make any changes based on technological advances or further developments.
• The application and use of products based on our technical advice is beyond our control and is entirely the responsibility of the user.
• The user is not entitled to be relieved of the obligation to carry out careful inspection and testing to verify that the incoming product is suitable for the intended application.