Double-component Rigid Polyurethane Spray Foam Insulation Isocyanate (MDI) and Blended Polyol
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China [CN] Double-component Rigid Polyurethane Spray Foam Insulation
Isocyanate (MDI) and Blended Polyol
1. Introduction
Part A is high density spray blend polyols, it reacts with Part B--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 use the spray technology, such as cold storages, pot, large-scale pipelines, construction roofs and all types of abnormity thermal insulation projects.
2. Physical property
Standard:GB/T 19250-2003 | ||||
No | Item | Ⅰ | Ⅱ | |
1 | Solid content,% ≥ |
| 92 | |
2
|
Dry time,h ≤ | Dry time of Outside | 8 | |
|
| Dry time of Inside | 24 | |
3 | Fracture tensile strength, Mpa ≥ | 1.9 | 2.45 | |
4 | Breaking elongation,(normal temperature),% ≥ | 450 | 450 | |
5 | Water impermeablility,0.3Mpa 30 min | Impermeable | ||
6 | Flexilility at low temperature,°C ≤ | -35 | ||
7 | Bonding strength of Moist base,Mpa ≥ | 0.5 | ||
a. | It is only required for moist substratum of underground project. | |||
3. Recommended ratio
Item | pbw |
Blend polyols | 100 |
Isocyanate | 100-105 |
The temperature of component is 20°C, the actual value is varied according to pipe diameter and processing condition.
4.Products reactivity
No. | Item | Specification |
1 | Cream time, s | 3-5 |
2 | Gel time, s | 6-10 |
Packing&Shipping
220kg/barrel--Polyol(component A)
250kg/barrel--ISO (component B)
As per minium order,we can accept any quantity,but preferly with whole package as:220kgs/drum for A part and 250kgs/drum for B part.
Contact Information
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