LFT-G HDPE-Füllung aus langglasfaserverstärktem, hochfestem und steifem Kunststoff für die Schale

HDPE Introduction

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High-density polyethylene is an opaque white waxy material, lighter than water, specific gravity of 0.941 ~ 0.960, soft and tough, but slightly harder than LDPE, but also slightly elongated, non-toxic, odorless.

Flammable, can continue to burn after leaving the fire, the upper end of the flame is yellow, the lower end is blue, will melt when burning, there are liquid drops, no black smoke, at the same time, emitting the smell of paraffin wax when burning.

Acid and alkali resistance, organic solvent resistance, excellent electrical insulation, low temperature, can still maintain a certain degree of toughness. Surface hardness, tensile strength, rigidity and other mechanical strength are higher than LDPE, close to PP, tougher than PP, but the surface finish is not as good as PP.

Poor mechanical properties, poor air permeability, easy to deformation, easy to aging, easy to brittle, brittle than PP, easy stress cracking, low surface hardness, easy to scratch. Difficult to print, when printing, surface discharge treatment is required, can not be plated, and the surface is not glossy.

HDPE-Long glass fiber

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Because of its high crystallinity, poor impact strength and environmental cracking resistance and other defects, limiting its scope of application, so a lot of toughening modification HDPE research work has been carried out at home and abroad. Our company has greatly improved the performance of HDPE through the way of co-blending modification.

Long fiber reinforced thermoplastic composites are reinforced thermoplastics with fiber lengths greater than 10mm. The reinforcing fibers are mainly glass fibers, carbon fibers, etc. Depending on the type of resin with appropriate fiber surface treatment, better results can be achieved.

The addition of fiber material to the resin can greatly improve the overall material performance. Fiber composites absorb external forces in three ways: fiber pullout, fiber breakage, and resin fracture. The increase of fiber length consumes more energy for fiber pull-out, which is beneficial to the improvement of impact strength; the end of fiber in the composite is often the initiation point of crack growth, and the small number of long fiber ends also makes the impact strength increase; the long fiber blends entangle, flip and bend each other when filling the mold, unlike the short fiber blends which are arranged in the flow direction, therefore, the long fiber blends molded products are better than the same molded parts of short fiber blends. Therefore, compared with the same molded parts of short fiber blends, the long fiber blends have higher isotropy, better straightness, less warpage, and therefore better dimensional stability; the heat deflection temperature of long fiber reinforced thermoplastics is also increased than that of short fiber blends. Therefore, long-fiber composites exhibit better performance than short-fiber composites, which can improve rigidity, compression strength, bending strength, and creep resistance.

Process

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TDS for your reference

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Tests

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Certifications

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Quality Management System ISO9001/16949 Certification

National Laboratory Accreditation Certificate

Modified Plastics Innovation Enterprise

Honorary Certificate

Heavy metal REACH & ROSH testing

Application

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We will provide technical supports according to your product's images.

About us

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We will offer you:

1. LFT & LFRT material technical parameters and leading edge design.

2.  Mold front design ang recommendations.

3. Provide technical support such as injection molding and extrusion molding.

Frequently asked questions

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Q: How to choose the  reinforcement method and length of the material when using long fiber reinforced thermoplastic material?

A: Die Auswahl der Materialien hängt von den Anforderungen der Produkte ab. Abhängig von den Leistungsanforderungen der Produkte muss beurteilt werden, wie stark der Inhalt verstärkt wird und wie viel Länge angemessener ist.

F: Langfaserprodukte sind nicht nur für das Spritzgießen geeignet, sondern können auch extrudiert oder in anderen Verfahren verarbeitet werden?

A: LFT-Langglasfasern und Langkohlenstofffasern werden hauptsächlich zum Spritzgießen verwendet und können auch Plattenprofilrohre extrudieren und Kanten mit einer Vielzahl thermoplastischer Formverfahren formen.

F: Die Kosten für Langfaserprodukte sind höher als für Rohstoffe. Hat es einen hohen Recyclingwert?

A: Das thermoplastische LFT-Langfasermaterial lässt sich sehr gut recyceln und wiederverwenden.