Glastherm® HT Engineered Materials from a Glastherm Distributor
Glastherm® HT200 | Glastherm® HT220 | Glastherm® HT250 | Glastherm® HT300 | Glastherm® HT500 | Glastherm® HT550 | Glastherm® HTLC
As an authorized Glastherm distributor, we provide Glastherm HT materials directly from stock, available in cut-to-size, machined, stamped, or die-cut forms. Glastherm® HT is the perfect solution for perimeter thermal insulation, helping to lower energy usage and enhance processing efficiency in rubber and thermoset molding.
Glastherm® HT 200
Glastherm® HT 200 is a fiberglass-reinforced, mineral-filled insulating sheet designed for medium-temperature molding applications. It provides exceptional compressive strength and thermal insulation while being easy to machine and handle in industrial environments.
Applications: Ideal for plastic and zinc die-casting molds and presses operating up to 392°F (200°C).
Glastherm® HT Stock Sizes
| Thickness | Standard Tolerance | Standard Sheet |
| 12 mm, 22 mm, 27 mm | ± 0.2mm | 96.25″ x 49.4″ |
| **Contact customer service 440-632-5800 for additional Glastherm sizes/specifications. |
Glastherm® HT220
This is a thermal insulating sheet that combines low thermal conductivity with very high compressive strength.
Glastherm HT 200 is a durable heat insulation solution perfect for high-temperature processes in industries like chemical processing, mechanical engineering, pipelines, and oil and gas. Designed for plastic and zinc die-casting molds, it offers excellent thermal insulation, enabling rapid heating and quick start-up.
Glastherm® HT Stock Sizes
| Thickness | Standard Tolerance | Standard Sheet |
| 6mm, 8mm, 10mm, 12mm, 15mm, and 20mm *Jaco can provide any thickness |
± .002″ ± .05mm |
48″ x 96″ |
| **Contact customer service 440-632-5800 for additional Glastherm sizes/specifications. |
Glastherm® HT250
A thermal insulating sheet that is employed to save energy during pressing. Used primarily in hydraulic, wood and tire presses.
Glastherm® HT Stock Sizes
| Thickness | Standard Tolerance | Standard Sheet |
| 6mm, 8mm, 10mm, 12mm, 15mm, and 20mm *Jaco can provide any thickness |
± .002″ ± .05mm |
48″ x 96″ |
| **Contact customer service 440-632-5800 for additional Glastherm sizes/specifications. |
Glastherm® HT 300
Glastherm® HT 300 offers a high-performance solution for applications with sustained temperatures up to 572°F (300°C). It combines durability, high compressive strength, and dimensional stability, making it an excellent choice for heavy-duty press and mold insulation.
Applications: Suited for platen insulation and tooling in high-heat industrial processes.
Glastherm® HT Stock Sizes
| Thickness | Standard Tolerance | Standard Sheet |
| 18 mm, 23 mm, 27 mm | ± 0.2mm | 84.6″ x 44.5″ |
| **Contact customer service 440-632-5800 for additional Glastherm sizes/specifications. |
Glastherm® HT 500
Glastherm® HT 500 is built for extreme temperatures, offering outstanding insulation up to 932°F (500°C). It is non-combustible and maintains structural integrity under high compressive loads, even during rapid temperature fluctuations.
Applications: Ideal for high-temp press systems, thermal shields, and insulation in metal processing or semiconductor manufacturing.
Glastherm® HT Stock Sizes
| Thickness | Standard Tolerance | Standard Sheet |
| 5 mm, 10 mm, 15 mm, 20 mm | ± 0.2mm | 39.4″ x 47.2″ |
| **Contact customer service 440-632-5800 for additional Glastherm sizes/specifications. |
Glastherm® HT 550° F
A fiberglass-reinforced, mineral-filled sheet with heat-resistant polyester thermosetting resin. Recommended for thermal barrier applications where operating temperatures do not exceed 550° F.
Glastherm® HT Stock Sizes
| Thickness | Standard Tolerance | Standard Sheet |
| .125″ – 2″ 7.3-25.4mm |
± .002″ ± .05mm |
36″ x 72″ 48″ x 96″ |
| **Contact customer service 440-632-5800 for additional Glastherm sizes/specifications. |
Glastherm® HT LC
Glastherm® HT LC (Low Conductivity) delivers top-tier thermal insulation performance in thinner layers. Designed to provide a high-performance thermal barrier where space or weight constraints matter.
Applications: Perfect for mold insulation, compact press systems, and portable applications requiring minimized insulation thickness.
Glastherm® HT Stock Sizes
| Thickness | Standard Tolerance | Standard Sheet |
| 16.5 mm, 26.5 mm, 42 mm, 52 mm, 64 mm | ± 0.2mm | 96.1″ x 48″ |
| **Contact customer service 440-632-5800 for additional Glastherm sizes/specifications. |
Glastherm Insulation
Glastherm thermal insulating sheets are an ideal solution for mold insulation, providing notable benefits over alternatives like mica, asbestos concrete, or calcium silicate. Designed for efficiency and durability, Glastherm sheets withstand molding pressure and endure rough handling, making them a reliable choice for thermal barrier applications.
