Overview of New Retarding Type Polycarboxylic Acid Concrete Water Reducing Agent

New Retarding Type Polycarboxylic Acid Concrete Water Reducing Agent represents the third generation of water-reducing agents following lignin and naphthalene-based types, isku dhafka ugu sarreeya ee farsamada casriga casriga ah ee la taaban karo. Alaabtani waxa ay shaqaalaysiisay qaab dhismeedka molecular ee horumarsan waxaana lagu soo koobay hababka polymerization, taasoo keentay wax-qabad heersare ah oo biyo-yareeya oo leh qaab-dhismeedka molecular-ka oo kale ah. Waxay ku guulaysataa kala firdhinta qaybaha sibidhka iyada oo loo marayo saameyn adag oo adag oo adag, si weyn u wanaajinaya shaqada la taaban karo iyo sifooyinka dhismaha. Waa maadada xudunta u ah ee la door biday samaynta waxqabad sare, xoog-sare, iyo shubka adkaysiga sare leh.

Features of New Retarding Type Polycarboxylic Acid Concrete Water Reducing Agent

1. Heerka Sare-yaraynta Biyaha: Gaadha ilaa 40% biyo dhimis, hoos u dhigista isticmaalka biyaha halkii halbeeg ee shubka ah iyo bixinta aasaas adag oo lagu soo saaro shubka xoogga sare iyo aadka u sarreeya (C60 iyo wixii ka sareeya).

2. Haysasho aad u fiican: Tignoolajiyada xajinta qunyar-u-daynta gaarka ah ayaa si wax ku ool ah u xakamaysa luminta lumitaanka, ilaalinta shaqada wanaagsan iyo bamgareynta 1-2 saacadood. Tani waxay buuxinaysaa baahida gaadiidka masaafada dheer iyo dhismaha inta lagu jiro xilliyada heerkulka sare.

3. Qiyaas yar, waxtar sare leh: Marka la barbar dhigo biyo dhimista dhaqameed, waxay u baahan tahay qiyaas hoose (caadi ahaan 0.15%-0.3% Miisaanka walxaha sibidhka) isagoo soo bandhigay waxqabad muuqda, oo bixiya faa'iidooyin dhaqaale iyo deegaan oo heersare ah.

4.  Laqabsiga Sare: La jaanqaadi kara noocyada kala duwan ee sibidhka iyo isku-darka macdanta (tusaale., dambas duuli, budada macdanta, qiiqa silica), si wax ku ool ah wax looga qabto arrimaha caadiga ah sida dhiigbaxa iyo kala soocidda shubka.

5.  Green iyo Eco-saaxiibtinimo: Ka madax banaan walxaha waxyeelada leh sida formaldehyde iyo nitrites inta lagu jiro wax soo saarka, aan waxyeello u geysan dadka, deegaan ahaan, oo waafaqsan dhismaha cagaaran iyo shuruudaha horumarka waara.

6. Kobcinta Xoogga Muhiimka ah: Wuxuu gaaraa a 10%-15% hoos u dhigista isticmaalka sibidhka ee xoogga u dhigma, ama si la taaban karo u kordhiso xoogga la taaban karo da 'kasta oo leh wax sibidh isku mid ah.

7. Waaritaanka la taaban karo ee la xoojiyey: Waxay si wax ku ool ah hoos ugu dhigtaa isku xidhka faafinta koloriinta, waxay yaraynaysaa yaraanshaha iyo gurguurashada, waxayna si muuqata u wanaajisaa impermeability la taaban karo, iska caabin dhalaalid, iyo iska caabbinta karbonation, fidinta nolosha adeegga qaabdhismeedka.

Parameters of New Retarding Type Polycarboxylic Acid Concrete Water Reducing Agent

Specifications of New Retarding Type Polycarboxylic Acid Concrete Water Minimizing Representative

Key Performance Indicators

This new slowing down type polycarboxylic acid water reducing representative supplies solid water decrease efficiency. Its strong content is typically between 20% iyo 40%, depending on the specific formula. The pH worth stays in the range of 4.0 ku 6.5 , making it compatible with the majority of cement types.

The representative reveals superb downturn retention. Fresh concrete combined with this product preserves workability for over 90 minutes without significant loss. This feature sustains long-distance transport and expanded positioning times on site.

Dosage and Compatibility

The suggested dosage is 0.15% ku 0.30% miisaanka alaabta sibidhka. Heerkan, it reduces water demand by 20% ku 30% while keeping strength growth secure. It works well with Rose city concrete, sibidhka caleenta, oo dambaska duula. No damaging responses take place when used with usual admixtures like air-entraining agents or accelerators.

Establishing Time and Strength Advancement

This product delays first and final setting times by 1 ku 3 saacadood , which aids control very early hydration in heat. Despite the retardation result, compressive toughness at 3 days satisfies or surpasses typical demands. By 28 maalmo , toughness gain matches or outmatches reference blends without retarders.

Tilmaamaha Jirka

The representative appears as a light yellow to amber liquid . It has reduced chloride web content ( ka yar 0.1%) and very low alkali degrees, reducing threats of rust or alkali-silica response. Storage security is great– it remains effective for a minimum of 6 months in sealed containers at space temperature level.

All test results adhere to ASTM C494/C494M requirements for Kind D (water-reducing and retarding) isku darka. Batch-to-batch consistency ensures reputable field efficiency throughout various jobs and conditions.

Applications of New Retarding Type Polycarboxylic Acid Concrete Water Reducing Agent

Applications of New Retarding Type Polycarboxylic Acid Concrete Water Minimizing Agent

High-Performance Concrete in Hot Weather

This water reducing representative works well in heats. It reduces the setup time of concrete without hurting its stamina. Contractors use it when pouring huge pieces or structures throughout summertime. Isku darka ayaa ah mid la shaqayn karo muddo dheer, so staffs have even more time to location and end up the concrete effectively.

Mass Concrete Projects

Large pours like dams, tiirarka buundada, and thick grounds take advantage of this item. Warm develops within huge concrete areas as it cures. That heat can cause splits. This representative postpones the early reaction, which decreases height temperature and lowers fracturing danger. Isla markaana, it cuts water utilize, making the final framework denser and stronger.

Lakabka hore ee la sii hagaajiyay

Factories making precast components use this admixture for much better control. It offers a longer home window to cast, gariir, and smooth each piece. In kasta oo ay biyo yar yihiin, the mix flows conveniently and fills mold and mildews entirely. The result is a smoother surface area and fewer defects– crucial for visible architectural aspects.

Long-Distance Concrete Distribution

When vehicles take a trip much to task sites, concrete needs to remain functional. This hampering kind polycarboxylic acid representative keeps downturn secure with time. Professionals avoid adding added water on website, which would damage the mix. The delivered concrete performs just as intended, with constant stamina and coating.

Dhisme waara

It sustains greener structure methods. By reducing water web content, it permits greater use fly ash or slag– commercial by-products that replace concrete. Less concrete means reduced carbon monoxide ₂ exhausts. The representative also assists achieve target strengths with less product, reducing waste and expense.

Xogta Shirkadda

Waxaan nahay hogaamiyaha caalamiga ah ee xalalka xumbo shubka fudud iyo horumarsan injineernimada. Caalamka oo dhan caan ku ah sida ay uga go'an tahay cilmi-baarista, hal-abuurnimo, iyo khibrad la dabaqay, waxaanu bixinaynay xalal xumbo la farsameeyay ilaa horraantii 2012-kii.

Waxaan ku siin karnaa isku-darka shubka ah ee tayada sare leh iyo alaabada la taaban karo ee xumbo ee adduunka oo dhan.

Shirkaddu waxay leedahay waax farsamo oo xirfad leh iyo waaxda ilaalinta tayada, shaybaar si fiican u qalabaysan, oo lagu qalabeeyay qalab tijaabo ah oo horumarsan iyo xarunta adeegga macaamiisha iibka kadib.

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5 FAQs of New Retarding Type Polycarboxylic Acid Concrete Water Reducing Agent

Frequently Asked Questions About New Retarding Type Polycarboxylic Acid Concrete Water Reducing Agent

Waa maxay alaabtan loo isticmaalo?

Alaabtani waa isku-darka la taaban karo ee waxqabadka sarreeya. It reduces the amount of water needed in concrete mixes while keeping workability. It also delays setting time, which helps in hot weather or during long transport.

Sidee ayay u wanaajisaa tayada la taaban karo?

It lowers the water-cement ratio without making the mix too stiff. Tani waxay keenaysaa xoog, shub ka sii raagaya. The agent also helps reduce cracking and improves surface finish.

Ma ku habboon tahay isku-darka kale?

Haa, it works well with most common cement types and standard admixtures like air-entraining agents or accelerators. Always test compatibility on a small batch before full-scale use.

What are the recommended dosages?

Qiyaasta caadiga ah waxay u dhexeysaa 0.15% ku 0.30% miisaanka sibidhka. Exact amounts depend on cement type, heerkulka, iyo hoos u dhac la rabo. Follow lab trial results for best performance.

Does it affect early strength development?

Because it is a retarding type, initial strength gain may be slower. Si kastaba ha ahaatee, final strength is not reduced. Dhab ahaantii, it often increases due to better compaction and lower water content. Adjust curing practices if early formwork removal is needed.