For more than three decades, RATH has been a leading manufacturer of high-temperature insulation products such as wool, blankets, modules and vacuum-formed shapes. During application, temperatures of up to 1,650 °C (3,002 °F) can be insulated. To provide the best solutions for the future, RATH has further developed the proven and reliable ALTRA® series.
Benefit from the compelling ALTRA® advantages:
MAX efficiency
Maximum service life and highly efficient thermal insulation to save costs.
MAX flexibility
Lightweight and strong for easy installation. Blankets are highly flexible for folding.
MAX compatibility
A coordinated series of grades to efficiently meet your specific requirements.
CHOOSE ALTRA® 1500C
FOR MAX BENEFITS:
ALTRA® 1500C for MAXimum service life and highly efficient thermal insulation up to 2,732 °F (1,500 °C).
- MAX efficient – maximum service life with optimum cost-effectiveness
- MAX flexible – easy handling and installation, blankets are highly flexible and provide high mechanical strength
- MAX compatible – fits with the entire ALTRA® product range

ALTRA FLEX® – Next-level oxide ceramic continuous fiber
Experience endless opportunities
Based on its unique experience in high-temperature refractory products, RATH has developed an oxide ceramic continuous fiber that goes beyond conventional ideas. With ALTRA FLEX®, RATH is the first European manufacturer and supplier of oxide ceramic continuous fiber in K99 and M75 quality. Experience the endless opportunities: