Acabamento de superfície aprimorado: Aditivos como agentes incorporadores de ar podem melhorar o acabamento e a aparência do concreto, evitando defeitos como rachaduras, favo de mel, ou pó de superfície, garantindo um bom, superfície de nível profissional.

Specification of Concrete Admixture PVA Short Fiber for Thin Layer Cement Based Overlays

Requisitos da mistura de concreto: PVA Short Fiber for Thin Layer Cement-Based Overlays

Revisão do produto

PVA short fiber is a high-performance artificial fiber made from polyvinyl alcohol. It is particularly created for use in thin layer cement-based overlays. These overlays are typically put on fix or safeguard concrete surfaces. The fiber helps boost strength, fraturamento de controle, e aumentar a resistência.

Chave inclui

The fiber has outstanding bond strength with concrete matrices. It withstands alkali assault, which prevails in concrete settings. Each fiber is reduced to an exact size– comumente entre 6 milímetros e 12 milímetros– to make sure even distribution in the mix. The surface area of the fiber is treated to improve adhesion with the surrounding concrete paste. This leads to much better crack resistance and lowered contraction.

Característica Técnica

– Material : Álcool polivinílico (PVA).
– Tamanho : 6– 12 milímetros.
– Diâmetro : 20– 40 mícrons.
– Resistência à tração : ≥ 1,200 MPa.
– Módulo flexível : ≥ 30 Média de notas.
– Alongamento na ruptura : ≤ 8%.
– Resistência alcalina : Secure in high-pH concrete atmospheres.

Padrões de Aplicação

Add PVA short fiber during the mixing stage. Utilize a dosage of 0.5% para 1.5% por volume do mix total. Mix completely up until fibers are evenly spread. Prevent clumping by adding fibers gradually while the mixer is running. This item works well in spray-applied or trowel-finished overlays as slim as 5 milímetros. It works with many concrete kinds, consisting of Portland concrete and blended cements. Do not make use of with hostile chemical admixtures without prior screening.

Espaço de armazenamento e manuseio

Compre em local seco, trendy area far from direct sunlight. Maintain packaging sealed when not in use to prevent moisture absorption. Manage with standard construction safety and security techniques. Use capas para proteção das mãos e segurança para os olhos durante o manuseio.

Applications of Concrete Admixture PVA Short Fiber for Thin Layer Cement Based Overlays

Applications of Concrete Admixture PVA Short Fiber for Thin Layer Cement-Based Overlays

Why Use PVA Short Fiber?

PVA brief fiber is a synthetic fiber included in cement-based overlays. It considerably enhances the performance of thin-layer applications. These overlays are typically only 10 para 25 milímetros de espessura. Sem reforço, such thin layers can break quickly under stress or shrinking. PVA fibers assist control these fractures from developing and spreading out.

Key Advantages in Actual Projects

Better Split Control: PVA fibers develop a dense network inside the overlay. This network holds the product with each other also when tiny fractures show up. The outcome is a surface that stays undamaged longer and looks much better with time.

Greater Resilience: Thin overlays deal with rush hour, modificações climáticas, and repeated loads. PVA fibers enhance toughness and resistance to influence. This suggests much less breaking, fragmentação, or surface area wear in car park decks, calçadas, e tabuleiros de pontes.

Posicionamento mais fácil: Unlike steel mesh or bigger fibers, PVA brief fibers mix equally into the cement without clumping. Employees can apply the overlay smoothly with trowels or spray devices. There’s no demand to position or safeguard extra support on-site.

União mais forte: The fibers do not interfere with adhesion between the overlay and the old concrete listed below. Na verdade, they help preserve architectural continuity across the repair work zone. This leads to extra reputable lasting performance.

Onde é utilizado

Specialists use PVA-fortified overlays in several settings. Usual instances consist of restoring worn industrial floorings, resurfacing aging freeways, and fixing airport terminal paths. The approach works well for both interior and exterior tasks. Because the overlay is slim, adiciona muito pouco peso– ideal for structures where tons limits matter.

PVA brief fiber transforms ordinary concrete overlays right into high-performance repair service options. It fixes real problems like cracking, superfícies fracas, and bad durability– without making complex the building procedure.

perfil de companhia

Somos líderes globais em concreto leve e soluções avançadas de espuma projetada. Conhecida mundialmente por seu compromisso com a pesquisa, inovação, e expertise aplicada, temos fornecido soluções de espuma projetada desde o início de 2012.

Podemos fornecer aditivos de concreto de alta qualidade e produtos relacionados a espuma de concreto em todo o mundo.

A empresa possui um departamento técnico profissional e um departamento de supervisão de qualidade, um laboratório bem equipado, e equipado com equipamentos de teste avançados e centro de atendimento ao cliente pós-venda.

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Remessa

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5 FAQs of Concrete Admixture PVA Short Fiber for Thin Layer Cement Based Overlays

Perguntas frequentes: PVA Short Fiber for Thin Layer Cement Overlays

Para que é usada a fibra curta PVA?

PVA short fiber strengthens thin cement overlays. Ajuda a impedir a formação e propagação de fissuras. This makes the surface last longer and stay smoother under traffic or weather.

Por que escolher o PVA em vez de outras fibras?

Fibras PVA aderem bem ao cimento. Eles não enferrujam como fibras de aço. They also mix evenly without clumping. This gives better control over the final look and performance of the overlay.

Quanta fibra PVA devo adicionar?

A maioria dos projetos usa 0.6% para 1.5% em peso de cimento. Always follow the product instructions or consult your mix design. Muito pouco pode não ajudar o suficiente. Muito pode dificultar a mistura ou enfraquecê-la.

A fibra PVA afeta a trabalhabilidade?

A small amount of PVA fiber has little effect on workability. The mix stays easy to spread and finish. If you add more fiber, you might need a water reducer or superplasticizer to keep it smooth.

Can I use PVA fiber in wet or dry mixes?

Sim. PVA short fiber works in both wet-mix and dry-mix systems. Just make sure the fiber disperses fully during mixing. Good dispersion means even strength and fewer weak spots in the hardened overlay.