245fa Blowing Agent Used in Two Component Polyurethane Rigid Foam Spray Blend Polyols
Brand Name:VICUS-VIDA
Certification:ISO9001
Minimum Order Quantity:1000 kg
Delivery Time:within 15 workdays
Payment Terms:T/T, L/C
Place of Origin:China
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Shanghai Shanghai China
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Room 305, No. 9 Building, No. 16299 Puwei Road, Shanghai, China
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Product Details
Polyurethane Spray Blend Polyols VS-3
VS-3 is spray blend polyols, blowing agent is 245fa instead of
HCFC-141B, it reacts with
isocyanate to produce foam which has excellent performances, which are as
follows,
1) Fine and uniformity cells
2) Low thermal conductivity
3) Perfect flame resistance
4) Good low temperature dimensional stability.
It applies to all kinds of thermal insulation engineering which
uses the spray technology, such as
cold rooms, pots, large-scale pipelines etc.
Physical Properties
| Appearance Hydroxyl Value mgKOH/g Dynamic Viscosity (25 ºC) mpa.s Specific gravity (20 ºC ) g/ml Storage Temperature ºC Storage Stability month | Pale yellow to brown viscous liquid 200-300 100-200 1.12-1.20 10-25 6 |
Recommended Ratio
| pbw | |
| Vspray-3 blend polyols Isocyanate | 100 100-105 |
Reactivity Characteristics
(The temperature of the system is 20ºC,and the exact value varied
depending on processing condition)
| Cream Time s Gel Time s | 3-5 6-10 |
| Items | Test Method | Index |
| Spray Density Closed-cell Rate Initial Thermal Conductivity(15ºC) Compressive Strength Adhesive Strength Elongation at break Dimentional Stability 24h -20ºC 24h 70ºC Water Absorption Oxygen Index | GB 6343 GB 10799 GB 3399 GB/T8813 GB/T16777 GB/T9641 GB/T8811 GB 8810 GB 8624 | 30-40kg/m3 ≥90% ≤24mW/(m.K) ≥150kPa ≥120kPa ≥10% ≤1% ≤1.5% ≤3% ≥26 |
Application
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245fa Blowing Agent Used in Two Component Polyurethane Rigid Foam Spray Blend Polyols
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