تشطيب سطحي محسّن: يمكن للإضافات مثل عوامل احتجاز الهواء تحسين تشطيب الخرسانة ومظهرها عن طريق منع العيوب مثل التشقق, قرص العسل, أو الغبار السطحي, ضمان على نحو سلس, سطح احترافي.

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

Hydroxyethyl Methyl Cellulose (هيمك) خليط الخرسانة

ملخص العنصر

Hydroxyethyl Methyl Cellulose (هيمك) is a high-performance additive utilized in cement-based plasters and making blends. It is made from natural cellulose and customized to enhance workability, احتباس الماء, والسندات. This admixture assists develop smoother, much more regular finishes on wall surfaces and ceilings.

الامتيازات السرية

HEMC greatly enhances احتباس الماء. 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 قابلية التشغيل. 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 رابطة. HEMC aids the plaster stick securely to blocks, أسمنت, 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.

الخصائص التقنية

– ينظر: أبيض إلى مسحوق أبيض مصفر يتدفق بحرية
– اللزوجة (2% خدمة, 20 درجة مئوية): 400– 100,000 ميغاباسكال · ثانية (يختلف حسب الدرجة).
– الرقم الهيدروجيني (2% خدمة): 6.0– 8.5.
– مادة رطبة: ≥ 5%.
– محتوى الرماد: ≥ 5%.
– البعد بت: يسافر من خلال شاشة 80 شبكة.

استخدام المبادئ التوجيهية

Add HEMC at 0.1% ل 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, نوع الركيزة, والطلاء المطلوب. Always test little sets first to adjust for regional problems. تخزينها في مكان بارد, منطقة جافة تماماً بعيداً عن الرطوبة. Keep product packaging sealed when not being used.

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

Applications of Hydroxyethyl Methyl Cellulose (هيمك) in Concrete Plaster and Rendering

تعزيز قابلية التشغيل والاتساق

Hydroxyethyl Methyl Cellulose (هيمك) 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.

احتباس أفضل للمياه

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.

المرفق المعزز

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

When used on upright surface areas, 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.

تنظيم الوقت المفتوح

HEMC extends the time employees have to form and smooth the surface. هذا “وقت مفتوح” 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.

Compatibility with Other Additives

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.

ملف الشركة

نحن الشركة الرائدة عالميًا في مجال الخرسانة خفيفة الوزن وحلول الرغوة الهندسية المتقدمة. معروفة عالميًا بالتزامها بالبحث, ابتكار, والخبرة التطبيقية, نحن نقدم حلول الرغوة الهندسية منذ أوائل عام 2012.

يمكننا توفير منتجات ذات جودة عالية من الخلطات الخرسانية والخرسانة الرغوية في جميع أنحاء العالم.

لدى الشركة قسم فني محترف وقسم مراقبة الجودة, مختبر مجهز تجهيزا جيدا, ومجهزة بمعدات اختبار متقدمة ومركز خدمة العملاء بعد البيع.

إذا كنت مهتما, لا تتردد والاتصال بنا.

قسط

تي/تي, ويسترن يونيون, باي بال, بطاقة الائتمان الخ.

شحنة

عن طريق الجو, عن طريق البحر, بواسطة صريحة, حسب طلب العملاء.

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

Frequently Asked Questions About Hydroxyethyl Methyl Cellulose (هيمك) 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. أنه يحسن قابلية التشغيل, 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. احتباس الماء الجيد يسمح للأسمنت بالترطيب بشكل كامل. This means stronger adhesion and better final strength, especially on dry or absorbent surfaces.

Does HEMC affect setting time?

نعم, ولكن قليلا فقط. 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, إثيرات النشا, أو مزيلات الرغوة. Always test the full mix before large-scale use to ensure compatibility and performance.

What dosage of HEMC should I use?

تتراوح الجرعة النموذجية من 0.1% ل 0.4% من وزن إجمالي المواد الجافة. The exact amount depends on the type of application, مناخ, and base material. ابدأ بجرعة أقل واضبطها بناءً على نتائج التجربة. Too much HEMC can make the mix sticky or slow to set.