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One Component Polyurethane Construction expansion joint sealant
Inquiry
| Post Date: | Nov 01,2016 |
| Expiry Date: | Apr 30,2017 |
| Detailed Description: |
Cas No. :9009-54-5
Quantity: 1000Kilograms PU821 is one component solvent-free polyurethane construction sealant of low modulus. Key Features 1. Low modulus and high elasticity, good sealing and water-proof property 2. One component, convenient to apply, nonpoisonous and odorless after curing, green and environmental 3. The new and used sealant has good compatibility, easy to repair 4. Moisture-cure, no cracking, no volume shrinkage after curing 5. Excellent aging, water and oil resistance, resist to puncture, moldiness 6. Excellent extrudability, easy to scratch sewing operation 7. Bonding well with many substrates, no corrosion and pollution to substrate Typical Applications 1. Sealing of expansion and settlement joint of house building, plaza, road, airport runway, anti-wall, bridges and tunnels, building doors and windows etc. 2. Sealing of upstream face crack of drainage pipeline, drains, reservoirs, sewage pipes, tanks, silos etc. 3. Sealing of through holes on various wall and at floor concrete 4. Sealing of joints of prefab, side fascia, stone and color steel plate, epoxy floor etc. Technical Data Table PROPERTY STANDARD/UNITS VALUE Main raw material ----- Polyurethane Appearance Visual inspection Black/white/gray, paste Density Gr/cc 1.35±0.1 Volatile content % ≤4 Tack free time min ≤180 Curing speed mm/ 24hrs 3~5 Hardness Shore A 30±5 Tensile modulus MPa ≤0.4 Elongation at break % ≥600 Application temperature °C 5~35 Temperature resistance Up to 1 hour short time, °C 150 Shelf life month 9 |
| CAS Registry Number: | 9009-54-5 |
| Synonyms: | ;Polyurethane foam;Polyurethane foams;Polyisocyanurate resins;Polyurethanes, cellular;PU foam;The following companies react isocyanates or prepolymers with polyols to produce polyurethane foams. The list is incomplete.;POLYURETHANEOLIGOMERS;POLYURETHANEVARNISH;PU;Acrylic polyurethane paint;Acrylic polyurethane anticorrosive coating;Polyurethane mixed component;1-ethylurea; |
| Molecular Formula: | C3H8N2O |
| Molecular Weight: | 88.1084 |
| Molecular Structure: | 
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| Company: | Suzhou Sepna Advanced Material Co.,Ltd [ China ] |
| Contact: | Claudia |
| Tel: | +86-512-63956665 |
| Fax: | |
| Email: | 425876458@qq.com |
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