Acrylic impact modifier
LX MMA’s PR700 is an acrylic impact modifier, which has excellent weather resistance and does not hinder the weather resistance of the existing PMMA. It also has a core-shell structure specially designed for PMMA, which has the same refractive index as the PMMA so that the transparency of the existing PMMA can be maintained.
Uses of the product
-
Exteriors of electrical home appliances
& Exteriors of automobiles -
Sheets & profiles for buildings
& PMMA/ABS co-extrusion sheets
As the content of the impact modifier increases, the impact strength of the impact-resistant PMMA also increases; however, as other properties of the material should also be considered including the fluidity, heat resistance and surface hardness, the content can be adjusted according to the final characteristics of the product.
|
Changes in the major material properties when the impact modifier is applied |
Light Transmittance |
Haze |
Charpy |
Weather resistance |
|---|---|---|---|---|
|
Condition |
3mm |
3mm |
notched |
4,500kJ/m2 |
|
Unit |
% |
% |
kJ/m2 |
- |
|
Method |
ISO 13468-1 |
ISO 14782 |
ISO 179 |
SAE J2527 |
|
PMMA 100% |
92.0 |
< 0.5 |
1.5 |
0.25 |
|
PMMA 70% + PR700 30% |
91.5 |
< 1.5 |
4.4 |
0.35 |
Matrix=LX PMMA IG840
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