C002PS21 Polyurethane Joint Sealant with 850% Elongation
Features
Single component room temperature moisture curing; Open and use immediately, easy to apply.
Durable and comprehensive bonding and sealing to different substrates, such as cement, stone,marble,metal,etc.
850% elongation, tear resistance, super adhesion, no cracking, full flexibility, movement resistance, super elasticity;
Oil resistance, acid and alkali resistance, puncture resistance, chemical corrosion resistance, deformation resistance;
Low modulus and good adhesion property to concrete;
Typical application
Suitable for underground tunnels, bridges and tunnels, drainage ditches, sewage pipelines, epoxy flooring, concrete interior wall internal sealing.
Suitable for sealing of various holes in walls and floorslab.
Main technical parameters
Item | Standard | C002PS21 |
Appearance | Visual | Black/Grey/White, Paste |
Density(g/ml) | 1.4±0.1 | 1.33 |
Solid content (%) | ≥90 | 98 |
Tack free time(H) | ≤12 | 2 |
Curing speed (mm/d) | ≥2.0 | 2.2 |
Sag(mm) | ≤2 | 0 |
Shore A-hardness | 25-30 | 28 |
Tensile strength(MPa) | ≥0.8 | 1.1 |
Elongation at break(%) | ≥750 | 850 |
Shear strength(MPa) | ≥15 | 17 |
Tensile modulus（MPa） | ≤0.4（23℃） | 0.3 |
Elastic recovery rate% | ≥70 | 80 |
Service temperature(℃) | -40 to +90 |
Notes: All data above were tested under standardized condition at 23±2℃、50±5%RH
Construction Process
1、 Construction preparation
Surface treatment of substrate
-Ensure that the surface of the substrate (such as concrete, cement mortar surface) is flat, solid, and free of defects such as looseness, hollowing, sanding, and cracks.
-Remove dust, oil stains, accumulated water and other debris from the surface of the substrate, and keep it dry (recommended moisture content ≤ 8%).
Inspection
-Check if the single component polyurethane sealant is within its shelf life;
-To a sausage package,please check whether both ends become harden because of long term storage, if harden, cut off the harden part of one end, then apply the sealant with tool.
2、 Construction steps
Open the sealant with tool and cut the nozzle to applicable size.
Put the sealant into caulking gun then apply the sealant to the joint or the surface of substrate for bonding and sealing.
Tack free time and curing speed are influenced by environment temperature and humidity.
Packing specifications
310ml Cartridge
400ml and 600ml Sausage
Storage
This product sealed storage, recommended storage temperature of 5~25℃ cool dry place; The storage period is 9 months.
Precautions
Construction environment
-Recommended construction condition : environment temperature: 5～35℃, humidity: 50～70%RH. And construction should be avoided on rainy days, windy days, or when the substrate surface is damp.
-During construction, it is necessary to wear protective masks and gloves, and work in a well ventilated area.
Storage
-Sealed storage in a cool and dry place, away from sources of fire and heat, avoid direct sunlight, and use within the shelf life.
Other
-If it needs to be used in combination with other materials, compatibility needs to be confirmed and a small-scale test needs to be conducted first.
(1) For your own use
(2) For Wholesale or Retail
2, What or what materials you will bond or seal? What field is it？
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(2) Construction
(3) Electronics
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the sample test data to CHANGING.
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2, If it's failed, our technician need to adjust the products and start over for test.
2, Communication of details of each order.
3, Adjust the cooperation strategy according to the market situation
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