ASA vs PETG
Polymer · grade comparison
ASA and PETG are both polymer grades, both multipurpose plastic. On the shop floor, PETG sits in a lower cost tier (budget, $) than ASA (standard, $$).
PETGChoose it when cost is the deciding factor.
ASA vs PETG: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all polymer grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
How to read these bars
- One bar per material. A full bar is the highest value among all polymer grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
Properties
Yield strength
Tensile strength
Elongation at break
Elastic modulus (Young's)
Density
Max service temp
Thermal conductivity
Machinability
Weldability
Formability
Same in both: Electrical conductivity 0 % IACS
Strength versus weight
Yield strength against density for every polymer grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.
Manufacturing and finishing
| Capability | ASA | PETG |
|---|---|---|
| CNC machining | — | Yes |
| Sheet metal | — | Yes |
| Injection molding | — | Yes |
| Default condition | — | Unfilled |
| Relative cost | $$ Standard | $ Budget |
| Min. machined wall | — | 0.5 mm |
| Best machined surface | — | Ra 0.8 µm |
| Chrome Plating (Plastic) | — | Yes |
| Spray Painting | — | Yes |
Both are offered for 3D printing. They share 10 finishes: Conductive Coating, Dyeing (Nylon), EMI Shielding Coating, Painting, Primer Coating, Soft Touch Coating, Tinted Coating, UV Coating, Vacuum Metallization, Waterproof Coating.
ASA vs PETG — frequently asked
What is the difference between ASA and PETG?
ASA and PETG are both polymer grades, both multipurpose plastic. On the shop floor, PETG sits in a lower cost tier (budget, $) than ASA (standard, $$).
Which is cheaper, ASA or PETG?
PETG is the lower-cost material: it sits in the budget tier ($) while ASA is standard ($$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.
When should I choose ASA over PETG?
Pick PETG when cost is the deciding factor.
Ready to make it?
Upload a CAD file and FabDigit prices the part in ASA and PETG side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.
Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.