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 Hydroxyethyl Methyl Cellulose HEMC Concrete Admixture for Cement Plaster and Rendering

Hidroxietilmetilcelulose (HEMC) Aditivo para concreto

Resumo do item

Hidroxietilmetilcelulose (HEMC) is a high-performance additive utilized in cement-based plasters and making blends. It is made from natural cellulose and customized to enhance workability, retenção de água, e vínculo. This admixture assists develop smoother, much more regular finishes on wall surfaces and ceilings.

Vantagens secretas

HEMC greatly enhances retenção de água. This keeps the mix moist much longer, which permits concrete to hydrate fully. Much better hydration suggests stronger, extra durable plaster. The product additionally increases trabalhabilidade. Workers can spread and shape the blend with much less effort. It lowers drooping on vertical surface areas and avoids splits during drying out.

Another significant benefit is ligação. HEMC aids the plaster stick securely to blocks, concreto, or other substrates. This lowers the threat of delamination or peeling over time. The additive additionally regulates air entrainment, offering an uniform appearance without extreme bubbles.

Característica Técnica

– Olhar: Pó de fluxo livre branco a esbranquiçado
– Viscosidade (2% serviço, 20 ° C): 400– 100,000 mPa·s (difere por grau).
– pH (2% serviço): 6.0– 8.5.
– Material de umidade: ≤ 5%.
– Conteúdo de cinzas: ≤ 5%.
– Dimensão de bits: Viaja pela tela de malha 80.

Diretrizes de uso

Add HEMC at 0.1% para 0.4% by weight of overall dry products. Mix it equally with sand and concrete before including water. Usage clean blending water and comply with standard mixing procedures. Dosage depends upon climate, tipo de substrato, and desired coating. Always test little sets first to adjust for regional problems. Guarde em local fresco, área completamente seca longe da umidade. Mantenha a embalagem do produto lacrada quando não estiver em uso.

Applications of Hydroxyethyl Methyl Cellulose HEMC Concrete Admixture for Cement Plaster and Rendering

Aplicações de Hidroxietilmetilcelulose (HEMC) in Concrete Plaster and Rendering

Funcionabilidade e consistência aprimoradas

Hidroxietilmetilcelulose (HEMC) makes cement plaster and providing mixes easier to take care of. It helps maintain the mix smooth and attire. Workers can spread it evenly without additional effort. The product remains consistent throughout.

Melhor retenção de água

HEMC holds water inside the mix longer. This is necessary for correct concrete hydration. Excellent hydration indicates more powerful bonds and fewer fractures. Even in hot or completely dry climate, the plaster establishes correctly due to the fact that wetness remains where it’s required.

Boosted Attachment

This additive aids the plaster stick far better to wall surfaces and other surfaces. It minimizes the risk of peeling or falling off with time. Solid adhesion leads to a much more durable coating that lasts much longer under typical use.

Lowered Drooping and Slumping

Quando usado em áreas de superfície verticais, plaster with HEMC remains in area. It does not glide down or deform before it sets. This offers a cleaner look and saves time on rework or touch-ups.

Horário de abertura regulamentado

HEMC extends the time employees have to form and smooth the surface. Esse “horário aberto” lets them fix little issues before the mix begins to establish. It supports better workmanship without rushing.

Less Splits and Contraction

Because HEMC improves water distribution and retention, the dried plaster reduces less. Less shrinking implies less hairline cracks. The last surface looks smoother and holds up much better gradually.

Compatibilidade com outros aditivos

HEMC works well with usual concrete additives like redispersible polymer powders or starch ethers. It does not conflict with their performance. This makes it simple to include in standard solutions without added screening.

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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Pagamento

T/T, Western Union, PayPal, Cartão de crédito etc..

Remessa

De avião, por mar, por expresso, como os clientes solicitam.

5 FAQs of Hydroxyethyl Methyl Cellulose HEMC Concrete Admixture for Cement Plaster and Rendering

Perguntas frequentes sobre hidroxietilmetilcelulose (HEMC) for Cement Plaster and Rendering

What is HEMC used for in plaster and rendering?

HEMC is a water-soluble polymer added to cement-based mixes. Melhora a trabalhabilidade, helps the mix hold water, and makes it easier to apply. This leads to smoother finishes and fewer cracks during drying.

How does HEMC improve water retention?

HEMC forms a thin film that slows down water loss from the mix. Uma boa retenção de água permite que o cimento seja totalmente hidratado. This means stronger adhesion and better final strength, especially on dry or absorbent surfaces.

Does HEMC affect setting time?

Sim, mas apenas ligeiramente. HEMC may extend the initial setting time by a small amount. This gives workers more time to finish the surface without rushing. The effect is controlled and does not harm the final hardening process.

Can HEMC be used with other additives?

HEMC works well with most common admixtures like redispersible powders, éteres de amido, ou antiespumantes. Always test the full mix before large-scale use to ensure compatibility and performance.

What dosage of HEMC should I use?

A dosagem típica varia de 0.1% para 0.4% em peso do total de materiais secos. The exact amount depends on the type of application, clima, and base material. Comece com uma dose mais baixa e ajuste com base nos resultados do ensaio. Too much HEMC can make the mix sticky or slow to set.