Rigid Thermal Insulation Board

Sindanyo H91 Insulation Board
High-Strength Thermal & Electrical Insulating Board

Sindanyo H91 is a high-temperature, high-strength thermal engineering board designed for demanding electrical and mechanical applications. It combines excellent compressive strength, thermal stability, and electrical insulation performance, making it a reliable choice for industrial environments up to 700°C.

Key Features

• Retains mechanical strength at temperatures up to 700°C
• Excellent compressive strength (90 MPa at ambient, 29 MPa at 700 °C)
• Good electrical insulation and low shrinkage (0.36 % @ 350 °C)
• Highly machinable for precision components
• Available as sheets, water-cut parts, or machined insulators
• Supply Format: Available as full sheets, cut panels, or CNC machined parts to your drawings

Typical Applications

• Busbar and bolt sleeve insulation
• Arc chute and dynamic brake grid components
• Aluminium pot room and crust breaker insulation
• Furnace and foundry thermal barriers
• High-reliability electro-mechanical assemblies

Availability

Available in sheet size 1245 × 940 mm and the following thicknesses:
6 mm, 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm, 33 mm, 40 mm, 50 mm, 75 mm.

Custom cut panels, water-cut shapes, and fully machined components are available to order.