Corkjoint J Seal PU1 1-Part Polyurethane Joint Sealant 600ML
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Corkjoint J Seal PU1 1-Part Polyurethane Joint Sealant 600ML
- Brand Corkjoint
- Model: CJ-JS-PU1
SPECIAL ORDER - Special Orders require 7 to 14 working days to be ready for collection or delivery and some products might take longer to order in. Please contact us for more information or estimated delivery time before placing your order.
Product Description
J-Seal® PU1 is a one part low modulus high performance polyurethane sealant, which cures on absorption of atmospheric moisture to form a firm and flexible rubber watertight seal for moderate movement joints, construction joints and control joints in concrete and masonry structures.
Features
- Packing: 600ml/sausage.
- Technical Data Sheet (TDS).
Advantages
- Highly resilient with excellent recovery characteristics.
- Provides permanent and uniform water resistant seal.
- Excellent adhesion to most building substrates.
- Slainability - Non-staining to most of the subtrates.
- VOC - Low Volatile Organic compound.
- Non-toxic once cured. Can be used in potable water environments.
- Easy to apply, one component sealant. No mixing required.
- Over painting can be done with dispersion based paints (acrylic, vinyl).
Areas of Application
| AREA OF APPLICATION | |
| Construction and expansion joints. | Structural glazing & curtain wall joints. |
| Precast concrete joints. | Parapet wall joints, floor, pavement joints. |
| Brick and masonry expansion joints. | Bathroom and kitchen installation. |
| Perimeter caulking (window, doors, aluminium frames). | Repairing of concrete crack. |
Standards
J-Seal® PU1 complies with the requirements of: BS 5212 :
Part 1 ASTM C 920, Type S, Grade NS, Class 25 Federal Specification TT-S-00230C, Type II, Class B.
Physical Properties
| PROPERTY | RESULT |
| Colour | Grey / White / Light Grey / Black |
| Density, (g/cc) | 1.3 +/- 0.05 |
| Viscisty (rotor no.7, 10 rpm) (28±2°C) | Thixotropic Paste 250,000 - 450,000 cps |
| Shrinkage | <5 |
| Shore A Hardness | 20-35 |
| Adhesion to Concrete, (N) | >25 |
| Elongation, (%) | 500 - 550 |
| Chemical resistance | pH 2.5 to 11.5, sea water |
| Skinning Time @ 25°C & 50% RM, (hrs) | 24 |
| Full cure @ 25°C & 50% RH, (d) | 7 |
| Application temperature, (°C) | +5 to +40 |
| Service temperature, (°C) | -40 to +80 |
| Tack Free Time (28±2°C) | 60±15 minutes |
Typical Applications
Storage
Store in a cool, dry place and keep away from all sources of heat and sunlight. In tropical climates, store in air conditioned
rooms. The shelf life is up to 12 months in un-opened condition and if stored as per recommendations. Excessive exposure
to sunlight, humidity and UV will result in the deterioration of the quality of the product and reduce its shelf life.
Health And Safety Information
As with all construction chemical products caution should be exercised. Protective clothing such as gloves and goggles
should be worn. Treat any splashes to the skin or eyes with fresh water immediately. Should any of the products be
accidentally swallowed, do not induce vomiting, but call for medical assistance immediately.
Disclaimer
All product images shown are for illustration purposes only. Actual products may varies in term of size, type, brand, version, colour, and other relevant characteristics.