Halogen-Free Flame-Retardant PP for Electrical Appliances

CASE STUDY · PP · ELECTRICAL APPLIANCES

Halogen-Free Flame-Retardant PP for Electrical Appliances

A practical formulation route for polypropylene appliance components using a compound piperazine pyrosulfate flame-retardant system, with resin-specific addition levels for homopolymer and copolymer PP.

The supplied formulation data, made clear.

This application case focuses on halogen-free flame-retardant polypropylene for electrical appliances. The additive system and addition level are selected according to the PP structure.

Base materialPolypropylene
(PP)
End useElectrical
appliances
Additive systemCompound piperazine pyrosulfate
24%
Addition levelRecommended addition for homopolymer PP
26-28%
Addition levelRecommended addition for copolymer PP

From material choice to appliance-part trials.

The formulation should be validated with the actual PP grade, processing equipment and performance target used for the finished electrical component.

01

Application objective

Develop a halogen-free flame-retardant PP formulation for electrical-appliance components.

02

Material approach

Use a compound piperazine pyrosulfate package and match the addition level to homopolymer or copolymer PP.

03

Flame-retardant result

The halogen-free flame-retardant PP formulation achieves a UL 94 V-0 rating.

The addition levels and UL 94 V-0 result reflect the supplied case data. Performance should be confirmed for the customer’s specific PP grade, processing conditions and finished part.

Discuss your halogen-free PP application.

Share your PP grade, appliance component and target performance with the SCO Chemical technical team.

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