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JOHNS MANVILLE Ceramic Fiber Insulation Board - Ceramic Fiber Insulation Boards
JOHNS MANVILLECeramic Fiber Insulation Boards

JOHNS MANVILLE Ceramic Fiber Insulation Board

The Johns Manville High Temperature Insulation is a calcium silicate ceramic fiber insulation board (SKU 684702, MPN 684702) measuring 12 inches long by 12 inches wide by 1 1/2 inches thick, with a density of 1.54…

SKU 3G-OTH-742393

Brand
JOHNS MANVILLE
Item
Ceramic Fiber Insulation Board
Part Number
684702
Category
Ceramic Fiber Insulation Boards
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Technical Specifications

JOHNS MANVILLE
Manufacturer Part Number
684702
Type
12 in W, 1.54
Lg
12 in
Thick
1 1/2 in

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JOHNS MANVILLE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Johns Manville High Temperature Insulation is a calcium silicate ceramic fiber insulation board (SKU 684702, MPN 684702) measuring 12 inches long by 12 inches wide by 1 1/2 inches thick, with a density of 1.54. 3G Electric interprets this demand and delivers it across 14 industrial departments—and far more—with specialist trust anchored in combustion, pumps, and controls.

Frequently Asked Questions

What is Johns Manville calcium silicate insulation used for?

Johns Manville calcium silicate insulation boards are used for high-temperature industrial applications such as furnace linings, boiler insulation, and process piping. They provide thermal efficiency and fire protection in demanding environments like power generation, petrochemical, and metal processing plants.

What are the specifications of the Johns Manville 684702 insulation board?

The Johns Manville 684702 calcium silicate board measures 12 in long by 12 in wide by 1 1/2 in thick, with a density of 1.54. It is a ceramic fiber insulation board designed for high-temperature service, suitable for applications requiring stable thermal performance up to 850 °C.

Where to buy Johns Manville high temperature insulation worldwide?

3G Electric supplies Johns Manville high temperature insulation worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this calcium silicate board to your facility. Contact us for availability and lead time on the 684702 (SKU 3G-OTH-742393).

How to install Johns Manville calcium silicate insulation boards?

Install Johns Manville calcium silicate boards by cutting to size with a carbide-tipped blade, ensuring tight joints to minimize heat loss. Use appropriate high-temperature adhesive or mechanical fasteners for secure attachment. Always follow manufacturer guidelines for surface preparation and safety, including wearing dust masks.

Used in

Common applications for JOHNS MANVILLE
HVAC piping systems — Johns Manville mineral wool 90° elbow insulation (e.g., SKU 19NH44) for thermal and acoustic control on pipe fittings.
Industrial boilers — Johns Manville ceramic fiber insulation boards (SKU 19NE69) for high-temperature thermal insulation of boiler surfaces.
Plumbing systems — Johns Manville mineral wool elbow insulation (e.g., SKU 19NH43) for insulating 90° fittings in commercial plumbing.
Air-handling units — Plenum-rated Johns Manville mineral wool elbow insulation (e.g., SKU 19NH33) for use in air-handling spaces.
Furnaces and kilns — Johns Manville ceramic fiber boards (SKU 19NE69) for lining and insulating high-temperature equipment.
Mechanical pipe fittings — Johns Manville mineral wool elbow insulation (e.g., SKU 19NH60) for thermal insulation in industrial piping networks.
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JOHNS MANVILLE Products

3G Electric supplies JOHNS MANVILLE ceramic fiber insulation boards. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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