Product Description
Huaqian® Expansion Agent
Advantages:
- Calcium Sulphoaluminate-Class
- Free of sodium salt, it will not cause an alkali-aggregate reaction of concrete, stable in expansion and a constant rise in strength.
- Reduce shrink and cracks, improve the performance of anti-crack and seepage-proof.
- Available for underground projects with small temperature differences, hydraulic structures, marine structures, tunnels, etc.
Uses:
- Compensation and Shrinkage Concrete: Apply to underground projects, hydraulic structures, marine structures, dams, tunnels, mass concrete, reinforced ground, roof and bathroom waterproofing, structural hardening, leakage repairing, pre-stressed reinforced concrete and backfill slot.
- Filling Expansion Concrete: Filling of structural post-poured joints, tunnel heads, steel pipes and tunnels.
- Filling Expansion Grout: Grouting of machinery equipment foundation, fixing anchor bolts, reinforcing and strengthening of beams, column joints and structural components
- Self-stressed Concrete: Apply to self-stressed reinforced concrete pressure pipes used in normal temperature.
Instructions:
- Cement strength grade≥32.5, mix as 10~12% the weight of the cement
- Recommended mechanical mixing, mixing time≥3min.
- Mixing ratio of the expansion concrete is the same as with the general cement concrete, but the minimum amount of mixing cement should be greater than 300kg/m3
- Storage: ventilated dry conditions, avoid direct sunlight, waterproof, damp proof
- Shelf life: 12 months
- Packaging: Kraft plastic film bag with damp proof plastic liner, 25kg/bag
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