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HD-AF-5188 Air filter PU systems
HD-AF-5188 is double-component PU raw material specially designed
by Beijing Bora Polyurethane Products Co., Ltd. for the production
of automobile air filter sealing materials. B-component is modified
polyisocyanate(MDI),while A-component is made up of polyether polyalcohol,catalyst,
surface-active agent,blowing agent and colour paste,etc.
Physical
Property£º
| A-component |
B-component |
| Item |
Index |
Item |
Index |
|
hydroxy content (MgKOH/g)
|
105¡À15 |
-NCO content (%) |
28¡À1 |
| viscosity (25¡æ)(MPa.s) |
400¡À100 |
viscosity(25¡æ)(MPa.s) |
200¡À50 |
| specific gravity(25¡æ)(g/cm3) |
1.15¡À0.05 |
specific gravity(25¡æ)(g/cm3) |
1.22¡À0.05 |
Proportion of weight£º A£ºB=100£º£¨30-40£©
Reaction time£º£¨data of laboratory test, working temperature
at 25¡æ£©
| Reaction time |
|
| CT £¨sec£© |
30-40 |
| GT £¨sec£© |
60-90 |
| RT £¨sec£© |
120-140 |
Foam Performance£º
| Item |
Index |
Item |
Index |
|
density(kg/m3)
|
180-380 |
tensile strength
£¨mPa£© |
>0.9 |
|
hardness(ÉÛÊÏA)
|
20-60 |
elongation at break£¨%£© |
120-170 |
|
high-temperature resistance
( ¡æ£©
|
-40-140 |
dimensional stability at 40% compression
£¨%£© |
<2 |
Packaging:Galvanized zinc metal barrel.A-component: 200kg/barrel;
B-component: 250kg/barrel.
Shelf life: 6 months
Note:HD-AF-5188 series can provide various systems of relative
brands according to products' detailed use and performance requirement
from clients. Please contact Beijing Bora Polyurethane Products
Co.,Ltd for more information about technology and business.
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