No trade off between resistance and economics
Till date one had to decide between a good alkaline or a good acid resistance.
It's different with PyroTex®. In can be utilized in both environments equally well.
A high continuous heat resistance above 200°C (392°F) always meant the need for an expensive fiber.
It's different with PyroTex®. It can be utilized continuously above 200°C (392°F) at no extra cost.