Polyurethane Sealant for Construction

high adhesion strength, aging resistant, vibration exhaustion resistant, low temperature resistant and free-corrosive property
Where to use
Seal for building wall and cover board, frame joint, window seal (inside & outside), water proof joint (inside & outside), water tank and water drainage structural joint, parapet and road separating joint and general civil project expansion and contraction joint.

Characteristic
Medium curing speed Good adhesion strength
Repairable Good chemical corrosion resistance
Good water proof Paint able
One part no mixing Excellent weather proof, aging
resistant property
Abrasion able Excellent noise, vibration and
Impaction resistant
Damp resistant No sagging
Anti mildew

Typical Data
Appearance Black, gray, concrete
Specific gravity 1.25-1.30
Skinning time ≤24h
Low temperature flexiblity -40°C
Tensile adhesion 0.35-0.50MPa
Tear strength ≥0.9Mpa
Elongation 300-500%
Fixed elongation adhesion 160-200%
Elastic recovery 88-94%
Adhesion damaging area 20-37%
Extrudability 250-330ml/mm
Pull and compress cycle 7020
Adhesion failure area 4.0~5.0%
Movement capability ±25%
Hardness, Shore A 23-27
Service temperature range -40~75 °C
Application temperature 5~35 °C
Maximum joint width 35mm
Minimum joint depth 8mm
Staining no

Packaging
400ml and 600ml sausage, 20 sausages per carton.

Storage
At 5~25 centigrade shady, dry place, 9 months of shelf life.

Technical Service
Full support for customer in Technology


Paint Able Propery
ZJ-501 could be painted after dry with traditional method like epoxy or acrylic paints. The adhesive surface will take place reaction and soften if using high solvent content coating like luster enamel or high oily base coatings.
Coating should have similar tensile strength compared with adhesive in order to get best appearance and property. Painting could be processed after 24 hours if thickness of adhesive is less than 3 mm while painted after 48 hours if thickness more than 3mm.

Anti Fire
ZJ-501 is not easy inflammable.

Health and safty
No contact with eye or skin. Please contact doctor or poisoning preventing center in case of poisoning. If contact with skin, clean thoroughly 15 minutes long or look for doctor.

Pretest Process
Zhijiang will sample all related material and do testing to decide best adhesive type and best performance to preventing any potential problems. Please ask for Zhijiang's technician fro specifics.