Concrete Admixtures · Superplasticizers
Sika® ViscoCrete®-3110 star PK
Concrete Admixture for High Flow/Self-Consolidated Concrete
Sika TDS On demand
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Concrete Admixtures · Mineral admixtures / pozzolans
Silica Fume
Official name SikaFume®-92 D PK
Concrete Additive Based on Silica Fume Technology
TDS Reference
Catalogue reference Listed for technical reference. Not currently stocked — ask us for the nearest available alternative.
- Denser Matrix Reacts with free lime to form a denser cement matrix.
- Increased Strength Higher ultimate compressive strengths.
- Improved Durability Greatly increased durability and abrasion resistance.
- Watertight & Gastight Increased water-tightness and gas-tightness.
- Reduced Chloride Ingress Lower chloride penetration; chloride free.
Price on request — quoted per project.
- Sika products supplierIslamabad & Rawalpindi.
- Get a quote on WhatsAppSend your product and quantity for current pricing.
- Technical support from MCTOur team helps you choose the right solution.
- DeliveryContact our team to confirm delivery and lead times to your location.
Key benefits
- Denser Matrix
- Increased Strength
- Improved Durability
- Watertight & Gastight
- Reduced Chloride Ingress
- Better Pumpability
SikaFume®-92 D PK — Concrete Additive Based on Silica Fume Technology
SikaFume® is a concrete additive in powder form based on silica fume technology, containing extremely fine, latently reactive silicon dioxide. It greatly improves the internal cohesion, water retention and pumpability of fresh concrete, and in hardened concrete it reacts with free lime to form a significantly denser cement matrix. This gives higher ultimate strength, greatly increased durability, abrasion resistance, water-tightness and gas-tightness, and reduced chloride penetration. It is used in shotcrete, structural concrete, precast concrete and other applications with high demands on fresh and hardened concrete quality. (Catalogue listing: Silica Fume.)
Recommended uses
- Shotcrete
- Structural concrete
- Precast concrete
- High-durability and high-strength concrete
- Concrete requiring low permeability
Technical information
Technical information
Verified performance data for SikaFume®-92 D PK, taken directly from the Sika Pakistan Product Data Sheet.
| Chemical Base | Blend of latently reactive ingredients (silica fume) |
|---|---|
| Appearance / Colour | Grey powder |
| Density | ~0.65 kg/l |
| Total Chloride Ion Content | < 0.3 M-% |
| Recommended Dosage | 5-10% by weight of cement |
| Standards | EN 13263-1:2005 table 4 |
| Shelf Life | 36 months from production |
| Storage | Dry environment, not sensitive to frost |
Source: Sika Pakistan Product Data Sheet, SikaFume® (May 2021, Version 01.01).
Packaging & storage
Packaging & storage
Packaging
Bags / pallets / bulk
Storage
Store in a dry environment in undamaged, unopened, original sealed packaging. Not sensitive to frost.
Shelf life
36 months from date of production (correctly stored).
Application guide
Application guide (5 easy steps)
- Mix DesignAdopt a suitable mix design and test local material sources. Carry out laboratory trials before site concreting, especially for new mixes.
- DosageUse 5-10% by weight of cement; confirm the exact dosage for the required properties by preliminary testing. For optimum results use together with a superplasticiser.
- BatchingAdd SikaFume with the cement and aggregates at the batching plant before the gauging water.
- MixingMix thoroughly with an optimum wet mixing time of about 60 seconds to fully disperse the additive.
- CuringCure the fresh concrete properly and as early as possible to develop full durability.
Follow the official Sika Technical Data Sheet for full application details.
FAQs
Frequently asked questions
What is SikaFume®?
A powder concrete additive based on silica fume technology that densifies the cement matrix and improves strength, durability and water-tightness.
What is the dosage?
5-10% by weight of cement, confirmed by preliminary testing.
How is it added?
With the cement and aggregates at the batching plant, before the gauging water.
Is it chloride free?
Yes, it contains no chlorides and is suitable for reinforced and prestressed concrete.
Should it be used with a superplasticiser?
Yes, for optimum results it should be used together with a superplasticiser or retarder.
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