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PA12 Long Glass Fiber

Long carbon chain nylon is nylon with an amide group in the main chain repeating unit of nylon molecule, and the length of methylene between the two amide groups is greater than 10. We call it long carbon chain nylon, including nylon 11, nylon 12, etc.

PA12 is nylon 12, also known as polydodecactam, polylauractam, is a long carbon chain nylon. The basic material for its polymerization is butadiene, a semi-crystalline - crystalline thermoplastic material. Nylon 12 is the most widely used long carbon chain nylon, in addition to most of the general properties of nylon, low water absorption, and has high dimensional stability, high temperature resistance, corrosion resistance, good toughness, easy processing and other advantages.

Compared with PA11, another long carbon chain nylon material, the price of butadiene, the raw material of PA12, is only one third of the price of castor oil, the raw material of PA11. It can replace PA11 and be applied in most scenes, and has a wide range of applications in automobile fuel pipe, air brake hose, submarine cable, 3D printing and many other fields.

In long chain nylon, compared with other nylon materials, PA12 has great advantages, such as the lowest water absorption rate, the lowest density, low melting point, impact resistance, friction resistance, low temperature resistance, fuel resistance, good dimensional stability, good anti-noise effect.

PA12 has the properties of PA6, PA66 and polyolefin (PE, PP) at the same time, achieving the combination of lightweight and physical and chemical properties, and has advantages in performance. The following table shows the performance data:

Performance of PA12

There are a large number of non-polar methylene groups in nylon 12, which makes nylon 12 molecular chain more compliant. The amide group in nylon 12 is polar, and the cohesion energy is very large, it can form hydrogen bonds between the molecules, so that the molecular arrangement is regular.

Therefore, nylon 12 has high crystallinity and high strength. Nylon 12 has low water absorption, good low temperature resistance, good air tightness, excellent alkali and oil resistance, medium resistance to alcohol, inorganic dilute acid and aromatic hydrocarbons, good mechanical and electrical properties, and is a self-flameout material.

We can offer you:

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

2. Mold front design and recommendations;

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

System Certification

Quality Management System ISO9001/1949 Certification

National Laboratory Accreditation Certificate

Modified Plastics Innovation Enterprise Honorary Certificate

Heavy metal REACH & ROHS testing

Frequently asked questions

1. Does long glass fiber and long carbon fiber injection have special requirements for injection molding machines and molds?

A: There are certainly requirements. Especially from the product design structure, as well as the injection molding machine screw nozzle and mold structure injection molding process must consider the requirements of long fiber.

2. The product is easy to brittle, so changing to use long fiber reinforced thermoplastic materials can solve this problem?

R: As propriedades mecânicas gerais devem ser melhoradas. As características da fibra de vidro longa e da fibra de carbono longa são as vantagens das propriedades mecânicas. Tem 1-3 vezes maior (dureza) do que fibra curta, e a resistência à tração (resistência e rigidez) é aumentada em 0,5-1 vezes.

3. Quais são as principais características e vantagens dos termoplásticos reforçados com fibra de vidro longa?

R: Em comparação com os materiais tradicionais de fibra curta, as principais características da fibra de vidro longa termoplástica LFT-G e da fibra de carbono longa são propriedades mecânicas, alto impacto e módulo de tração, que são mais adequados para alguns produtos grandes ou peças estruturais de suporte de carga. Pode fazer moldagem por injeção, extrusão de folhas, tubos de perfil, etc. e é de processamento simples.

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