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/Foglio termoplastico rinforzato con fibre lunghe (LFT)
Foglio termoplastico rinforzato con fibre lunghe (LFT) 2022-12-05

LFT information


LFT sheet is a new generation of thermoplastic composite material after GMT (glass fiber felt reinforced thermoplastic) sheet. It is composed of long fiber as reinforcement material and polypropylene (PP), PA, PET as matrix material.


Compared with GMT, LFT sheet has the following outstanding advantages: 1. The sheet has better fluidity in the pressing process, the manufacturing process is the same as GMT, and the basic performance is similar to GMT. 2, the sheet price is greatly reduced, more cost-effective.

Compared with SMC (thermosetting sheet molding material), LFT has no storage time problem and the product can be recycled. For the same product, LFT is used to produce lighter quality, which can be reduced by 1/3. If used in the automotive field can effectively reduce the weight of the car to reduce fuel consumption! The molding cycle of SMC products is longer, the production cost of SMC products is relatively increased, and LFT has better toughness than SMC products. At the same time, the production site environment is significantly better than that of SMC. Although the unit price of the LFT is slightly higher than that of the SMC, the combined cost is comparable to that of the SMC.

In the automobile industry and many fields, there is an urgent need for weight, environmental protection, recyclable, good impact toughness, etc., the above characteristics of LFT sheet is a new composite material which is very forward-looking in line with the global and Chinese development needs.




LFT sheet using method and pressing process:

1, using the volume calculation method or density conversion method between different materials to calculate the product sheet dosage.

2. Cut the LFT sheet into a size roughly the same as the product area and weigh the additional sheet.

3. Preheat it at 220℃ for 8-12 minutes to make it soft.

4, take out, immediately put into the mold of the press, and quickly close the mold (mold temperature at about 90℃).

5. It can be removed 1-3 minutes after mold closing.

6, remove a small number of burrs, flying thorns, the product is ready.


Principali aree di applicazione del foglio LFT:

1, ricambi auto: trave del paraurti, scheletro del sedile, parte anteriore, scheletro del cruscotto, staffa della batteria, coperchio del motore, pedaliera, piastra interna della porta, piastra di protezione, staffa per bagagli, telaio della ruota di scorta e altro 40 tipi

2, modello di costruzione: modello gettato in opera, modello prefabbricato

3. Cassa di imballaggio: piastra inferiore e piastra laterale del container

4. Stadi e attrezzature sportive: sedili, sci, ecc.

5, attrezzatura chimica: componenti della torre anticorrosione, filtro, componenti del reattore, ecc.

6, elettrodomestici: copertura della macchina per l'aria condizionata all'aperto, griglia dei cavi, telaio, ecc




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