Send InquiryUndensified Microsilica for refractory
Undensified Microsilica for refractory Specification
- HS Code
- 28112200
- Melting Point
- > 1600C (amorphous, decomposes)
- Properties
- High pozzolanic activity, extreme fineness, white to grey color, amorphous silicon dioxide content, improves strength and durability in refractory applications.
- Appearance
- Grey to white fine powder
- Smell
- Odorless
- Grade
- Refractory Grade
- Application
- Used in refractory castables, gunning mixes, ramming mixes, self-flow castables, low cement/high performance refractory products
- Ingredients
- Amorphous silicon dioxide (SiO) > 85%, minor impurities
- Usage
- Additive for refractory concretes to enhance strength, reduce porosity, and increase durability
- Solubility
- Insoluble in water
- Taste
- Odorless and tasteless
- Purity
- > 85% SiO
- EINECS No
- 273-761-1
- Shape
- Spherical (amorphous morphology)
- Density
- 2.2 Gram per cubic centimeter(g/cm3)
- Shelf Life
- 12 months from date of production if stored properly Months
- CAS No
- 69012-64-2
- Ph Level
- ~7 (neutral)
- Physical Form
- Powder
- Refractive Rate
- 1.46 (for SiO)
- Storage
- Store in a dry, cool place. Avoid moisture contact.
- Product Type
- Undensified Microsilica for Refractory
- Structural Formula
- O=Si=O
- Molecular Formula
- SiO
- Secondary Components
- Minor amounts of Al2O3, Fe2O3, CaO, MgO
- Bulk Density
- 250 - 350 kg/m3
- Thermal Stability
- Excellent up to 1200C and above, suitable for refractory applications
- Fineness (Specific Surface Area)
- > 17,000 m2/kg (BET method)
- pH in Water
- 6.5 - 7.5
- Loss on Ignition (LOI)
- < 6%
- Average Particle Size
- 0.1 - 0.3 micron
- SiO2 Content
- > 85% (commonly 85-92%)
- Hydrogen Ion Concentration
- Neutral
- Compliance
- Meets ASTM C1240 and EN13263 standards for silica fume
- Toxicity
- Non-toxic under normal use
- Alkalinity
- Low (alkali content < 1.5%)
- Packaging
- Packed in 10 kg, 15 kg, 20 kg laminated/PP bags, or as required
About Undensified Microsilica for refractory
Get phenomenal performance in refractory applications with our celebrated Undensified Microsilica. Take advantage of its ultra-fine particle size (0.1 - 0.3 micron) and first-class purity (>85% SiO, commonly 8592%), delivering high pozzolanic activity that dramatically enhances strength and durability. Find reassurance in its excellent thermal stability (up to 1200C and above), non-toxic nature, and compliance with ASTM C1240 and EN13263 standards. Packed to your requirements in 10, 15, or 20 kg bags, this grey-to-white powder transforms refractory castables, gunning, and ramming mixes with superior performance and longevity. Experience the difference trusted by professionals worldwide.
Optimal Usage and Application for Refractory Excellence
Undensified Microsilica is specifically designed for use in refractory castables, self-flow mixes, gunning, and ramming applications. Just add the powder as an admixture to your selected refractory concrete formulations to significantly reduce porosity and boost residual strength. Suitable for high-performance, low-cement, and advanced refractory systems, this ingredient is recommended for users seeking to extend lifespan and performance of furnace linings and heat-resistant structures in industrial environments.
Global Reach, Reliable Packaging, and Prompt Supply
Shipped goods reach key export markets across Asia, Europe, the Middle East, and North America, backed by streamlined logistics and top-tier transport services for punctuality and safety. Packaging options include 10, 15, and 20 kg laminated or PP bags, with custom sizes available on request. With a robust supply ability and responsive export capabilities, buyers can depend on timely restocking and professional support for smooth transactions and ongoing project demands.
Optimal Usage and Application for Refractory Excellence
Undensified Microsilica is specifically designed for use in refractory castables, self-flow mixes, gunning, and ramming applications. Just add the powder as an admixture to your selected refractory concrete formulations to significantly reduce porosity and boost residual strength. Suitable for high-performance, low-cement, and advanced refractory systems, this ingredient is recommended for users seeking to extend lifespan and performance of furnace linings and heat-resistant structures in industrial environments.
Global Reach, Reliable Packaging, and Prompt Supply
Shipped goods reach key export markets across Asia, Europe, the Middle East, and North America, backed by streamlined logistics and top-tier transport services for punctuality and safety. Packaging options include 10, 15, and 20 kg laminated or PP bags, with custom sizes available on request. With a robust supply ability and responsive export capabilities, buyers can depend on timely restocking and professional support for smooth transactions and ongoing project demands.
FAQs of Undensified Microsilica for refractory:
Q: How is Undensified Microsilica typically used in refractory applications?
A: Undensified Microsilica is incorporated as an additive in refractory concretes, gunning mixes, and ramming compounds to improve strength, reduce porosity, and enhance durability for high-temperature operations.Q: What are the benefits of adding Microsilica to refractory products?
A: Adding Microsilica provides a celebrated boost in mechanical strength, reduces permeability to extend service life, and enhances overall performance under extreme thermal conditions.Q: Where is your Undensified Microsilica mainly exported?
A: Our product is shipped globally, with principal markets spanning Asia, Europe, the Middle East, and North America, supported by established logistics networks.Q: What is the standard packaging for Undensified Microsilica shipments?
A: Undensified Microsilica is available in 10 kg, 15 kg, or 20 kg laminated/PP bags and can be packed as per customer requirements for safe transport.Q: When can I expect re-stocking or new shipments to be available?
A: Supply is maintained regularly, and with efficient logistics, replenishment or new shipments can usually be arranged promptly depending on order volume and destination.Q: What is the process for storing Undensified Microsilica to maintain quality?
A: Store the product in a cool, dry place, avoiding moisture contact. When kept in recommended conditions, shelf life ensures at least 12 months from production date.Price 60 INR/ Kilograms
- Minimum Order Quantity
- 5 , , Metric Ton
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Undensified Microsilica
Appearance : Greyishwhite powder
Smell : Other, Odorless
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Properties : High pozzolanic activity, fine particle size, increases strength and durability in concrete, improves water resistance, excellent dispersion
Melting Point : ~1600C
HS Code : 28112200
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