Acrylic Impact Modifiers LS Series
Product Description
LS series Impact Modifier is a Weatherable Acrylic Impact Modifier used in rigid PVC products. It is a “core -shell” structure modifier, with cross-linked poly butyl acrylic as “core”and graft methyl methacrylate as “shell”. It not only improves impact resistance performance of the product, but also increases the surface gloss of the product, and especially the weatherability of the product. It is especially suitable for outdoor products and broadly used in PVC profiles, sheets, boards, pipes, pipe fittings, etc.
Physicochemical properties
Index |
LS-21,LS-51,LS-22,LS-61 |
LS-12,LS-55 |
LS-50 |
| Appearance |
White flowing powder |
| Bulk Density (g/cm^3) |
0.40-0.55 |
0.45-0.56 |
0.35-0.55 |
| Volatiles contents(%) |
 1.5% |
| Particle(40 mesh passing percentage) (%) |
 98 |
Product characteristics
Compared to CPE and other impact modifiers, AIM LS series products have the following advantages:
(1). Imparts excellent low-temperature impact resistance. Excellent weatherability.
(2). Improves product surface gloss greatly. Wide processing range for high speed extrusion.
(3). Improves impact strength and imparts good rigidity of product.
Product Category and Properties
Product sign |
Impact proof effect under normal temperature |
Impact proof effect under low temperature |
Product property |
LS-12 |
*** |
*** |
Excellent transparence |
LS-21 |
**** |
**** |
Fast fusion |
LS-22 |
**** |
**** |
Fast fusions, good gloss |
LS-50 |
****** |
****** |
Excellent low-temperature impact properties |
LS-51 |
**** |
**** |
Excellent processability |
LS-55 |
**** |
***** |
Excellent processability |
LS-61 |
***** |
***** |
Excellent impact properties,Fast fusion |
Remarks: “*”means the degree of performance index.
Application Character
Item |
LS-12 |
LS-21, LS-22 |
LS-51 |
LS-50 |
LS-61 |
LS-55 |
Character |
For transparent products |
For opaque products |
Use |
（Outdoor transparent）sheets, profiles |
Profiles, sheets, pipes, pipe fitting, etc. |
Recommended dosage（phr） |
Impact Modifiers |
6~9 |
5~8 |
6~8 |
4~7 |
4~7 |
5~8 |
Processing Aids |
0.5~1.0 |
0 |
0 |
0~0.5 |
0.5~1.0 |
0 |
Safety, Packing, Transportation & Storage
Eliminate all ignition sources, it will burn at elevated temperatures. Eye contact: Wash eyes with water. Consult a physician if irritation Persists.
Skin contact: Wash affected skin areas thoroughly with soap and water. Packed in airproof plastic bag, then in woven bags or kraft paper bags with qualify certificate, the outside of bags are marked with brand name, company name, net weight of products, lot No. etc. Packaged in 25 kg or 20kg bags and 250 kg or 500 kg super-sacks.
This material is non-dangerous goods for land, air and marine transportantion.
Material can burn, recommended indoor storage with automatic sprinklers.
Avoid all ignition sources. The recommended maximum storage temperature for this material is 45℃.
Acting on the sales policy of "Market Oriented,Honesty Based,Customer Paramountcy,Quality First",the company has built up good cooperation with more than 400 factories in over 20 provinces in China as well as dozens of countries overseas such as Korea,India,Thailand,Turkey,Russia and the US.
