Covestro Makroblend PC+PBT: Chemical Resistance Meets Impact Strength
· Updated: 2026-05-27
PC+PBT blends combine polycarbonate's impact resistance with PBT's chemical resistance — solving the key weakness of pure PC (stress cracking from fuels, oils, and solvents). Makroblend UT grades are specifically formulated for unpainted automotive exterior applications where both low-temperature impact and fuel resistance are required.
Quick Facts
| Category | |
| Standard | |
| Density | 1.21 g/cm³ |
| Yield Strength | |
| Tensile Strength |
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