Finition de surface améliorée: Les additifs tels que les agents entraîneurs d'air peuvent améliorer la finition et l'apparence du béton en empêchant les défauts comme les fissures., nid d'abeilles, ou dépoussiérage de surface, assurer un déroulement fluide, surface de qualité professionnelle.

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

Exigences relatives aux adjuvants pour béton: PVA Short Fiber for Thin Layer Cement-Based Overlays

Examen du produit

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, control fracturing, and rise toughness.

La clé comprend

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– généralement entre les deux 6 mm et 12 mm– 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.

Caractéristique technique

– Matériel : Alcool polyvinylique (PVA).
– Taille : 6– 12 mm.
– Diamètre : 20– 40 microns.
– Endurance à la traction : ≥ 1,200 MPa.
– Module flexible : ≥ 30 Moyenne pondérée cumulative.
– Allongement à la rupture : ≤ 8%.
– Résistance aux alcalis : Secure in high-pH concrete atmospheres.

Normes d'application

Add PVA short fiber during the mixing stage. Utilize a dosage of 0.5% à 1.5% en volume du mélange 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 mm. 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.

Espace de stockage et manutention

Achetez au sec, 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 handwear covers and eye security during handling.

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 à 25 millimètres d'épaisseur. Sans renfort, 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, changements climatiques, and repeated loads. PVA fibers enhance toughness and resistance to influence. This suggests much less breaking, effritement, or surface area wear in car park decks, trottoirs, et tabliers de pont.

Positionnement plus facile: 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.

Une liaison plus forte: The fibers do not interfere with adhesion between the overlay and the old concrete listed below. En fait, they help preserve architectural continuity across the repair work zone. This leads to extra reputable lasting performance.

Où il est utilisé

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, ça ajoute très peu de poids– 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, weak surfaces, and bad durability– without making complex the building procedure.

Profil de l'entreprise

Nous sommes le leader mondial des solutions avancées de béton léger et de mousse technique.. Connu mondialement pour son engagement en faveur de la recherche, innovation, et expertise appliquée, nous fournissons des solutions de mousse technique depuis le début des années 2012.

Nous pouvons fournir des adjuvants pour béton et des produits liés au béton mousse de haute qualité dans le monde entier..

L'entreprise dispose d'un département technique professionnel et d'un département de supervision de la qualité, un laboratoire bien équipé, et équipé d'un équipement de test avancé et d'un centre de service client après-vente.

Si vous êtes intéressé, n'hésitez pas et contactez-nous.

Paiement

T/T, Western union, Paypal, Carte de crédit, etc..

Expédition

Par avion, par la mer, par express, comme le demandent les clients.

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

Foire aux questions: PVA Short Fiber for Thin Layer Cement Overlays

À quoi servent les fibres courtes de PVA?

PVA short fiber strengthens thin cement overlays. Il aide à empêcher la formation et la propagation des fissures. This makes the surface last longer and stay smoother under traffic or weather.

Pourquoi choisir le PVA plutôt que d'autres fibres?

PVA fibers bond well with cement. Ils ne rouillent pas comme les fibres d'acier. They also mix evenly without clumping. This gives better control over the final look and performance of the overlay.

Quelle quantité de fibre PVA dois-je ajouter?

La plupart des projets utilisent 0.6% à 1.5% en poids de ciment. Always follow the product instructions or consult your mix design. Trop peu peut ne pas aider assez. Trop de choses peuvent rendre le mélange difficile ou affaiblir le mélange..

La fibre PVA affecte-t-elle la maniabilité?

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?

Oui. 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.