SIKA · AUTHORIZED PROJECT DISTRIBUTOR · SPACE ARC ENGINEERING
Sika Injection-201 IN
Elastic, solvent-free polyurethane resin for permanent watertight sealing of cracks and joints
Product Overview
Sika Injection-201 IN is an elastic, solvent-free polyurethane injection resin formulated for the permanent watertight sealing of water-bearing cracks and joints. Its very low viscosity allows it to penetrate fine cracks wider than about 0.2 mm in concrete, brickwork and stone, where it reacts with moisture and cures to a permanently elastic seal that resists shrinkage. The cured resin accommodates slight movement and offers chemical resistance, making it dependable in demanding below-ground and water-retaining environments; it is also suitable for injecting the Sika Fuko hose system on a single-injection basis. With a mixing ratio of 2:1 by volume and a gel time of 70–90 minutes at +20 °C, it gives applicators a practical working window. Space Arc Engineering, an authorized Sika distributor in India, supplies Sika Injection-201 IN to professional waterproofing and structural-repair teams.
Features & Benefits
- Very low viscosity penetrates fine, water-bearing cracks down to around 0.2 mm wide
- Cures to a permanently elastic seal that flexes with minor structural movement
- No shrinkage on curing, helping maintain a continuous watertight barrier
- Solvent-free and chemically resistant once cured for tough service conditions
- Suitable for single injection of the Sika Fuko hose system as well as cracks
- Practical 70–90 minute gel time at +20 °C for controlled, deeper injection
Technical Highlights
| Coverage | Consumption depends on crack width, depth and connected voids; can penetrate cracks wider than about 0.2 mm — refer to TDS for estimating quantities. |
| Strength | Permanently elastic, non-shrink cured resin with chemical resistance; for mechanical values refer to TDS. |
| Performance | Very low viscosity of about 250–600 mPa·s (cps) at +30 °C; gel time of 70–90 minutes at +20 °C. |
| Application Conditions | Apply between +5 °C and +35 °C (ambient and substrate); mix Part A to Part B at 2:1 by volume and inject within the pot life. |
| Packaging | Supplied as a 16 kg unit (Part A + Part B); Part A translucent, Part B dark brown. |
Applications
- Permanent sealing of water-bearing cracks in basement walls and slabs
- Watertight injection of joints in tunnels, shafts and underground infrastructure
- Single-injection sealing of the Sika Fuko hose system in construction joints
- Resealing leaking cracks in water tanks, treatment plants and reservoirs
- Crack injection in bridges, retaining walls and other civil concrete structures
SPACE ARC ENGINEERING · AUTHORIZED DISTRIBUTOR
Product image & sample available on request
Technical Data
| Product type | Elastic polyurethane injection resin (permanent seal) |
| Base | Two-part, water-reactive, solvent-free polyurethane |
| Mixing ratio | Part A : Part B = 2:1 by volume |
| Viscosity | ~250–600 mPa·s at +30 °C |
| Gel time | 70–90 minutes at +20 °C |
| Packaging | 16 kg (Part A + Part B) |
Datasheet & Documents
Request the Technical Data Sheet, method statement and safety data sheet from Space Arc Engineering.
Request Quote / Availability
+91 9999155255
+91 7290089007
info@space-arc.com
Frequently Asked Questions
What is Sika Injection-201 IN used for?
It is an elastic polyurethane resin for the permanent watertight sealing of water-bearing cracks and joints in concrete, brickwork and stone. It is also used to inject the Sika Fuko hose system on a single-injection basis.
What crack width can Sika Injection-201 IN penetrate?
Thanks to its very low viscosity of about 250–600 mPa·s at +30 °C, it can penetrate fine cracks wider than roughly 0.2 mm, then cure to a flexible, non-shrink seal. Refer to the TDS for full guidance.
What is the mixing ratio and working time?
Part A and Part B are mixed at 2:1 by volume, giving a gel time of 70–90 minutes at +20 °C. The resin should be injected within its pot life, so prepare quantities you can apply in that window.
Is Sika Injection-201 IN flexible after curing?
Yes. It cures to a permanently elastic, non-shrink seal that accommodates minor movement and offers chemical resistance, which makes it well suited to water-retaining and below-ground structures.
Who supplies Sika Injection-201 IN in India?
Space Arc Engineering, an authorized Sika distributor in India, supplies Sika Injection-201 IN in 16 kg units. Contact +91 9999155255 or info@space-arc.com for pricing and technical support.
Related Products
- Sika Injection-101h — Fast PU foam for temporary water stopping before permanent 201 IN injection.
- Sika Injection-306 — Polyacrylic resin alternative for permanent crack and joint sealing.
- SikaFuko VT-1 — Re-injectable hose system that can be injected with PU resin at joints.
- SikaSwell S-2 — Swellable sealing paste for construction joints alongside injection works.
Buy Sika Injection-201 IN — Sika Distributor in India
Space Arc Engineering is an Authorized Project Distributor supplying Sika products for infrastructure, industrial, commercial and residential projects across India.
+91 9999155255 | +91 7290089007 | info@space-arc.com