Name: Peróxido de dicumilo (DCP)
Brand: LAAP
Availability: InStock
Rating: 5 (1 reviews)

Question 1

What is the 10-hour half-life temperature of DCP?

Accepted Answer

The 10-hour half-life temperature of DCP (Dicumyl peroxide, CAS 80-43-3) is 117°C, making it ideal for crosslinking processes carried out at 160–180°C, which is the standard temperature range for cable insulation extrusion.

Question 2

What is DCP99 and why is it preferred for cable applications?

Accepted Answer

DCP99 refers to dicumyl peroxide with a purity of ≥99%. In cable manufacturing, higher purity means fewer impurities that could cause electrical insulation defects. LAAP's DCP99 is specifically formulated for medium- and high-voltage XLPE power cable applications.

Question 3

What forms does LAAP supply DCP in?

Accepted Answer

LAAP supplies DCP as white crystalline powder, pastilles (pellets), or pre-dispersed masterbatch blends. Pastilles and masterbatches are preferred in cable compounding for cleaner handling, reduced dust, and easier incorporation into the extrusion process.

Question 4

Can DCP be used for silicone rubber crosslinking?

Accepted Answer

Yes. DCP is one of the most widely used crosslinking agents for heat-cured silicone (HTV silicone) rubber. The standard dosage is 1–3 phr (parts per hundred rubber), and it is typically cured at 160–180°C.

Peróxido de dicumilo (DCP)

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