FSA101 is a crystalline waterproof admixture for concrete and mortar that blocks capillaries and microcracks to prevent seepage and improve durability.
Summary Benefits at a Glance
Enhances impermeability – seals capillaries and microcracks.
Improves durability – anti-leakage, moisture-proof, anti-corrosion.
Compatible – suitable for new construction and repair projects.
Easy to use – simple mix ratios and standard construction process.
Product Introduction
FSA101 Mortar (Concrete) Waterproofing Agent is an inorganic crystalline admixture. Its active components react with free lime and hydration products to form stable crystals, blocking capillary pores and microcracks and significantly improving impermeability and durability. It is suitable for industrial and civil waterproofing, including basements, tunnels, reservoirs, culverts, pools and water treatment structures. The material can be used in both new construction and waterproofing repair projects.
Product Parameters
| Test ltem | Requirement |
| Setting time (initial) | ≥ 45 min |
| Setting time (final) | ≤ 10 h |
| Compressive strength ratio (7 d) | ≥ 100% |
| Compressive strength ratio (28 d) | ≥ 90% |
| Impermeability pressure ratio | ≥ 300% |
| Water absorption ratio (48 h) | ≤ 65% |
| Water absorption ratio (28 d) | ≤ 125% |
Product Usage
Application Areas
Basements, tunnels, reservoirs, pools, dams, culverts and retaining walls.
Water treatment structures, elevator pits, bridge decks, underground works.
Repair/maintenance of existing waterproof layers and leakage points.
Construction Notes
Substrate must be sound, clean, moist but not waterlogged.
Recommended mix ratio (by weight): cement : sand : FSA101 = 50 : 50 : 1; w/c ≈ 0.5–0.6.
Vertical surfaces: 15–20 mm total thickness (two coats, 7–8 mm each); horizontal surfaces: 15–30 mm.
Keep surface moist for ≥ 7 days after application; protect from rain and freezing.
Packaged in 25 kg moisture-proof composite bags.
Shelf life: 12 months when stored in cool, dry, ventilated areas.
Keep bags sealed and protected from moisture and frost.
Product Documentation
FSA101 – Mortar (Concrete) Waterproofing Agent
FSA101 Mortar Waterproofing Agent | Crystalline Waterproof Admixture for Concrete & Mortar
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Our products have undergone rigorous testing at our national testing laboratory (CABR testing center co., ltd). Renowned Fortune Global 500 firms such as China Railway Group Limited, China Communications Construction Company Limited, and Sinohydro are among our esteemed clients.
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