STYRON™ 498 by AmSty is a high impact polystyrene (HIPS) grade. Offers toughness, gloss, excellent dimensional stability, good stiffness, flow, cost and processing ability. Provides better color consistency, the ability to down-gauge and improved wall thickness distribution. Applications include food packaging, cups, lids, appliances, housewares, medical and consumer electronics. STYRON™ 498 is an FDA 21 CFR 177.1640 and UL 94 HB E326906 compliant grade.
Product family:
Chemical family:
Product Type:
| Bio Based content | Visible After Login |
| Color | Visible After Login |
| Appearance | Visible After Login |
Compliance
| Food Contact Approval | Visible After Login |
| Certifications & Compliance | Visible After Login |
Availability
Product Status:Visible After Login
Regional Availability:Visible After Login| Visible After Login| Visible After Login
STYRON™ 498 properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flexural Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flexural Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness, Rockwell R | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Izod | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Izod | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Modulus of Elasticity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Elongation | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Rupture | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Linear Mold Shrinkage | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| CTE, Linear | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Heat Deflection Temperature (HDT) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Heat Deflection Temperature (HDT) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Vicat Softening Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
STYRON™ 498 Processing Guidelines
Extrusion Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Cylinder Zone 1 Temperature | Visible After Login | Visible After Login | |
| Cylinder Zone 2 Temperature | Visible After Login | Visible After Login | |
| Cylinder Zone 3 Temperature | Visible After Login | Visible After Login | |
Injection Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Nozzle Zone 1 Temperature | Visible After Login | Visible After Login | |
| Nozzle Zone 2 Temperature | Visible After Login | Visible After Login | |
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Back Pressure | Visible After Login | Visible After Login | |
| Nozzle Zone 3 Temperature | Visible After Login | Visible After Login | |
| Nozzle Zone Temperature | Visible After Login | Visible After Login | |




