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| Categories | Polyurethane Foam Sealant |
|---|---|
| Payment Terms: | L/C, T/T, D/P, D/A |
| Brand Name: | Dongyuan |
| MOQ: | Negotiable |
| Packaging Details: | Different packaging methods are adopted according to different modes of transport. |
| Price: | Negotiable |
| Company Info. |
| Wuxi Jungu Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
The Dongyuan single-component polyurethane foam sealant for winter is a product suitable for operation in low-temperature environments. It can foam normally in low temperatures and also has excellent insulation, soundproofing, bonding and sealing effects at low temperatures. This product is available in both gun-type and tube-type specifications.
Product features
It can be used normally even at -10℃;
Pre-expanded, with good stability, no shrinkage or post-expansion;
The foam is fine and has strong adhesion;
Excellent heat insulation, sound insulation, bonding and sealing
effects
Application scope
Normal foaming occurs at room temperature, with excellent
performance;
Suitable for various low-temperature operations, with excellent
foaming effect;
Suitable for installation of doors and windows, and for filling
gaps in buildings.
Surface treatment
Ensure that the bonding surfaces are clean, free of dust and
grease; remove loose particles;
Appropriate water spraying on the bonding surfaces can enhance the
bonding effect and accelerate the curing speed of the foam.
Instruction Manual
Before use, shake the canister at least 20 times; wet the bonding
surface with water; for deeper holes, spray water on the interface
for each layer of foam to ensure that the foam is fully cured and
there is good adhesion between each layer. Unsolidified foam can be
cleaned with a cleaning agent, while solidified foam should be
removed by mechanical methods.
Storage
The product should be stored upright in a dry environment with a
temperature ranging from 5 to 35 degrees Celsius; during storage,
avoid direct sunlight or exposure to temperatures exceeding 50
degrees Celsius. The product has a shelf life of 9 months. Note:
High temperatures will significantly reduce the shelf life of the
product.
Specifications
| Item | Specification |
|---|---|
| Density, kg/m³ | 15–20 |
| Thermal conductivity, 35 °C, W/(m·K) | ≤0.04 |
| Dimensional stability, (23±2) °C, 48 h, % | ≤5 |
| Tensile bond strength (cement mortar panel, 7 d), kPa | ≥100 |
| Shear strength, kPa | ≥100 |
| Compressive strength, kPa | ≥50 |
| Foaming ratio, times | ≥50 |
| Cutting-ready time | ≤60 min |
FAQ
1. What makes this winter-grade foam different?
It is specially formulated for low-temperature joint sealing, cures
normally under cold winter conditions for gap-filling
andinsulation.
2. What substrates and joints can it seal?Works on concrete, brick,
wood and common buildinsubstrates for door-window and construction
joints; poor adhesion toPE, PP and Teflon surfaces,
3. What is its working temperature range?
the can within proper temperature for stable foaming and
curingSupports low-temperature winter construction.
Keepperformance.
4. How should l store and handle it?
Store sealed upright in cool, dry ventilated area awayfrom heat.
Use in well-ventilated space; keep away from open flame.
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