Подобрено покритие на повърхността: Добавки като въздуховъвличащи агенти могат да подобрят покритието и външния вид на бетона чрез предотвратяване на дефекти като напукване, пчелна пита, или повърхностно напрашаване, осигуряване на гладка, професионална повърхност.

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

Изисквания към добавката за бетон: PVA Short Fiber for Thin Layer Cement-Based Overlays

Преглед на продукта

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.

Ключът включва

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– обикновено между тях 6 mm и 12 мм– 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.

Техническа характеристика

– Материал : Поливинил алкохол (PVA).
– Размер : 6– 12 мм.
– Диаметър : 20– 40 микрони.
– Издръжливост на опън : ≥ 1,200 MPa.
– Гъвкав модул : ≥ 30 Средна оценка.
– Удължение при скъсване : ≤ 8%.
– Алкална устойчивост : Secure in high-pH concrete atmospheres.

Стандарти за приложение

Add PVA short fiber during the mixing stage. Utilize a dosage of 0.5% към 1.5% по обем от общата смес. 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 мм. 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.

Място за съхранение и обработка

Пазарувайте в сухо, 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. Използвайте калъфи за ръкавици и защита на очите по време на работа.

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 към 25 милиметри дебелина. Без армировка, such thin layers can break quickly under stress or shrinking. PVA fibers assist control these fractures from developing and spreading out.

Ключови предимства в реални проекти

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, climate modifications, и повтарящи се натоварвания. PVA fibers enhance toughness and resistance to influence. This suggests much less breaking, разцепване, or surface area wear in car park decks, тротоари, и мостови палуби.

Easier Positioning: 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.

По-силно свързване: The fibers do not interfere with adhesion between the overlay and the old concrete listed below. Всъщност, they help preserve architectural continuity across the repair work zone. This leads to extra reputable lasting performance.

Къде се използва

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, it adds very little weight– 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, слаби повърхности, and bad durability– without making complex the building procedure.

Фирмен профил

Ние сме световен лидер в решенията за лек бетон и усъвършенствана инженерна пяна. Известен в световен мащаб със своя ангажимент към научните изследвания, иновация, и приложна експертиза, ние предоставяме инженерни решения за пяна от началото на 2012 г.

Ние можем да доставяме висококачествени добавки за бетон и продукти, свързани с пенобетон по целия свят.

Компанията разполага с професионален технически отдел и отдел за надзор на качеството, добре оборудвана лаборатория, и оборудван с модерно оборудване за тестване и център за следпродажбено обслужване на клиенти.

Ако се интересувате, моля не се колебайте и се свържете с нас.

Плащане

T/T, Western Union, Paypal, Кредитна карта и др.

Пратка

По въздух, по море, експресно, както клиентите поискат.

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

Често задавани въпроси: PVA Short Fiber for Thin Layer Cement Overlays

What is PVA short fiber used for?

PVA short fiber strengthens thin cement overlays. It helps stop cracks from forming and spreading. This makes the surface last longer and stay smoother under traffic or weather.

Why choose PVA over other fibers?

PVA fibers bond well with cement. Не ръждясват като стоманените влакна. They also mix evenly without clumping. This gives better control over the final look and performance of the overlay.

Колко PVA влакна трябва да добавя?

Повечето проекти използват 0.6% към 1.5% от теглото на цимента. Always follow the product instructions or consult your mix design. Твърде малко може да не помогне достатъчно. Твърде много може да затрудни смесването или да отслаби сместа.

Влияе ли PVA влакното на обработваемостта?

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?

да. 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.