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Liquid Crystalline Polyester

SUMIKASUPER LCP is a thermotropic liquid crystalline polymer which possesses the highest heat resistance among all super engineering plastics. The name LCP refers to its physical properties, liquid crystalline state in a molten phase, and not to its chemical composition as it is common for other performance plastics such as “PBT” etc.

The basic chemical composition of SUMIKASUPER LCP:

Chemische-Formel
Chemische-Formel
Chemische-Formel
Chemische-Formel

Metallersatz mit LCP
Metallersatz mit LCP

Metall Replacement with LCP

Sumitomo Chemical develops different types of LCP. The standard E series (E5000 – E4000 – E6000 – E6000HF) and functional S series. The S series has specific performancequalities such as ultra-thin-wall fluidity..

SUMIKASUPER LCP exhibits better thin-wall fluidity and moldability then any other engineering plastics thanks to their extraordinary low melt-viscosity. Due to their superiority in high heat solder resistance, hightemperature strength, dimensional stability, easy melt processing, outstanding electrical properties, good chemical resistance, low flammability and low water absorption, SUMIKASUPER LCP grades are well suited for use in automotive, electrical/electronic, telecommunications and aerospace industries.

SUMIKAEXCEL PES is a polyethersulfone which possesses the highest thermal resistance/ glass transition temperature among all amorphous polymers.

SUMIKAEXCEL PES is a transparent resin with a slightly amber color having a variety of useful properties, such as heat resistance, creep resistance, chemical resistance, dimensional stability, flame resistance and hot water resistance.

Based on physical form, two types of SUMIKAEXCEL PES are available: granular and powder. Granular grades are suitable for injection molding applications such as automotive, electrical/electronic, telecommunications and aerospace, but also fit for film and extrusion applications. The powder grades are mainly utilized as impact modifier for epoxy-based composites, heat resistant coatings, adhesives and membrane applications.

With SUMIKASUPER LCP and SUMIKAEXCEL PES Sumitomo Chemical has achieved successful replacements of metal parts for the automotive market, which results in less fuel consumption due to weight reduction. Production of the cooling pipe for motors with SUMIKASUPER LCP reduces the processing costs and results in a weight reduction of 90 %.

Metallersatz mit LCP
Metallersatz mit LCP

Metal replacement for engine valve pistons with our adopted SUMIPLOY S series, functional PES compound, results in an improvement of engine response besides reduction of processing costs and weight reduction.

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Our product portfolio in the field of LCP

Our product information and suggestions are based on analyses, empirical values, and data from the product manufacturer in question and are therefore provided with our best knowledge and accountability.

We do not, however, assume any liability or warranty, be it for defects in title, quality and suitability of the products for a specific purpose, or non-infringement of industrial property rights.

We do not warrant the use or processing of the products and information, or consequences of any kind arising from product descriptions, suggestions, and recommendations.

The responsibility for appropriate usage, as well as final suitability testing of the raw material is exclusively the responsibility of the customer as part of sampling/final qualification of a manufactured molded part.

The specified data are only indicative and are not to be interpreted as legally binding specifications.

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