The USA equivalent of GPPS (General Purpose Polystyrene) is PS with a 100% composition match.
🇺🇸 USA equivalent of
GPPS (General Purpose Polystyrene)
Standard: ASTM D5634
Quick Facts
| Original | 🇺🇸 Equivalent | |
|---|---|---|
| Designation | GPPS (General Purpose Polystyrene) | PS |
| Standard | ISO 1622 | ASTM D5634 |
| Category | Polymers | Polymers |
Frequently Asked Questions
Is GPPS (General Purpose Polystyrene) the same as PS?
GPPS (General Purpose Polystyrene) (ISO 1622) and PS (ASTM D5634) are near-equivalent grades with a 100% composition overlap. Both are polymer grades. Minor differences may exist in alloying element ranges. For most applications, they are interchangeable. Always verify against the applicable specification for safety-critical components.
Can I substitute GPPS (General Purpose Polystyrene) with PS?
In most cases, yes. The chemical composition ranges overlap significantly (100%). However, verify mechanical property requirements for your specific application, as heat treatment practices may differ between ISO 1622 and ASTM D5634 standards.
What is the ASTM D5634 equivalent of GPPS (General Purpose Polystyrene)?
The ASTM D5634 equivalent of GPPS (General Purpose Polystyrene) (gpps) is PS, specified in ASTM D5634.
Other International Equivalents
| Country | Standard | Grade | Match | |
|---|---|---|---|---|
| 🇩🇪 | Germany | DIN 7741 | PS (Typ 1) | 100% |
Related Comparisons
Data provided for reference only. Always verify against the applicable specification for critical applications.
All data is for reference only. Equivalents indicate similarity, not identity. Always verify against the applicable specification for safety-critical applications. materialref.com accepts no liability for decisions based on this data.