29
Impact Modifier for PBT/PET ST-2020
2023/4/20
Product Profile
This elastomer contains the functional group GMA and it has reactivity when it is used in polyester products. ST-2020 can be used as impact modifier for PBT and PET.
Specification
|
Item
|
Value
|
|
Density
（23℃ g/cm³）
|
0.89 |
|
Melt Index
（190℃，2.16kg g/10min）
|
1.6-3.0 |
|
Melting Point
（%）
|
＞1.0 |
|
Melting Point（℃） |
＜60 |
Recommended Dosage
1．For common GF reinforced or flame-retardant PBT and PET: 3-6%.
2．For super toughening PBT and PET: 15-20%.
1．For PBT materials, processing temperature: 235-245℃, screw speed: 150-300 rpm.
2．For PET materials, processing temperature: 265-275℃, screw speed: 150-300 rpm.
25kg/package, transported as common chemicals. Keep in dry, cool place. Storage temperature not exceeds 45℃. To prevent cross-linking, please clean the twinscrew immediately after use.
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