Forehearth Insulation Board: High-Density Calcium Silicate Solutions for Stable Glass Temperature

Forehearths require stable temperature distribution before glass forming. High-density calcium silicate boards such as NR-85, NR-80 and NR-120 provide strong, machinable insulation for forehearth crowns, sidewalls and bottoms, helping reduce heat loss and improve temperature control

29 2026,10

High-Density Calcium Silicate Board for Glass Furnace Backup Insulation

High-density calcium silicate board is a strong, dimensionally stable insulation material for glass melting furnaces, regenerators, working ends and forehearths. NR-85, NR-80 and NR-120 boards provide densities from 500 to 1,200 kg/m3, compressive strength up to 30 MPa and standard 2,400 x 1,200 mm panels for reliable furnace backup insulation.

28 2026,10

Calcium Silicate Board vs Ceramic Fiber Board for Aluminum Foundries

Compare calcium silicate and ceramic fiber boards for aluminum foundries. Understand where strength, insulation, metal contact and fiber classification affect selection.

$How to Qualify an Equivalent Refractory Board for Non-Ferrous Casting$ 28 2026,10

How to Qualify an Equivalent Refractory Board for Non-Ferrous Casting

Qualify a replacement refractory board for non-ferrous casting with practical checks for reinforcement, metal compatibility, thermal cycling and batch consistency.

25 2026,10

How to Select an Alternative High-Density Calcium Silicate Board for Aluminum Casting

Selecting an alternative casting insulation board? Compare aluminum-contact suitability, hot strength, shrinkage, machining accuracy and trial performance before approval.

25 2026,10

Best Materials for Aluminum Launders, Spouts and Floats

Compare the best refractory and insulation materials for aluminum launders, casting spouts, floats, dams and distribution systems, with practical selection guidance for foundry buyers.

20 2026,10

Aluminum Holding Furnace Linings: When Should You Choose High-Density Calcium Silicate Board?

Choosing a holding furnace lining involves more than temperature resistance. Aluminum foundries also need reliable metal-contact performance, manageable cleaning, low heat loss and predictable mainten...

20 2026,10

Can Calcium Silicate Board Contact Molten Aluminum?

High-density calcium silicate board can be used in direct and near-contact molten aluminum applications when correctly selected. This guide explains temperature limits, aluminum contact conditions and selection criteria.

19 2026,10

What Material Does Not Stick to Molten Aluminum?

Learn which refractory and insulation materials resist molten aluminum wetting, reduce dross build-up, and improve service life in aluminum casting, holding and transfer systems.

19 2026,10

Non-Wetting High-Density Calcium Silicate Boards for Aluminum Casting: The Complete Guide

Aluminum Casting FAQ: Non-Wetting High-Density Calcium Silicate Boards for Molten Aluminum ApplicationsHigh-density calcium silicate boards are widely used in aluminum foundries, casting systems, hold...

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