Thermal and refractory material systems

Thermal & Fire Insulation Product Centre

A material portfolio for industrial heat management, building services, high-temperature equipment, furnaces, tanks and thermal pipelines.

19 products & facingsUp to 1600°C in supplied dataBilingual technical data

All values below are transcribed from the company brochure and the supplied product workbook. Suspected source-document symbol, unit and typesetting issues have not been silently corrected; project selection, certification and tender use require technical confirmation.

Aluminium silicate products

Aluminium Silicate Fibre Felt

Roll and flat felt for thermal insulation and fire protection in high-temperature industrial environments.

Typical applications

Industrial furnacesHigh-temperature pipingChemical equipmentBuilding fire protectionWeldment insulation

Key supplied indicators

Item	Supplied value
Types	Roll felt; flat felt
Bulk density	96–140 kg/m³
Fibre diameter	3–5 μm
Maximum service temperature	Up to 1300°C (product advantages page)
Thermal conductivity	0.034 W/(m·K) at 20°C; approximately 0.095–0.096 at 400°C; 0.132 at 600°C

Aluminium silicate products

Aluminium Silicate Needle-Punched Blanket

Standard and water-repellent needle-punched blankets for high-temperature equipment and pipeline insulation.

Typical applications

Power boilersSteam turbinesNuclear powerHigh-temperature equipmentFurnace doors and covers

Key supplied indicators

Item	Supplied value
Common size	3600 × 610 × 10–100 mm
Working temperature	1200°C
Density	96–140 kg/m³
Thermal conductivity	0.09 W/(m·K) at 400°C; 0.16 at 800°C
Water repellency	Standard ≥90%; water-repellent type ≥98%
Standard stated in source	GB/T 16400-2015

Aluminium silicate products

Aluminium Silicate Board

Rigid fibre board for furnace linings, fire doors and high-temperature industrial equipment.

Typical applications

Furnace liningsFire doorsPower and chemical equipmentShipsOffshore platforms

Key supplied indicators

Item	Supplied value
Density	80–200 kg/m³
Thickness	15–100 mm
Width	400, 600 or 1200 mm
Length	Made to order
Thermal conductivity	0.035 W/(m·K) at 20°C; 0.09 at 400°C; 0.126 at 600°C

Aluminium silicate products

Aluminium Silicate Pipe Section

Formed pipe insulation sections for thermal pipelines in power, chemical and coking facilities.

Typical applications

Power plantsChemical facilitiesCoking facilitiesThermal pipelines

Key supplied indicators

Item	Supplied value
Inside diameter	22–630 mm
Thickness	30–200 mm
Length	1000 mm
Density range	110–200 kg/m³
Thermal conductivity	0.034 W/(m·K) at 20°C; 0.09 at 400°C; 0.12 at 600°C

Glass wool products

Glass Wool Board

Thermal and acoustic board for buildings, steel structures and industrial furnaces.

Typical applications

Building façadesSteel structuresIndustrial furnacesThermal insulationSound absorption

Key supplied indicators

Item	Supplied value
Density	20–64 kg/m³
Average fibre diameter	5–8 μm
Combustibility	Class A non-combustible (source: GB 8624-1997)
Thermal conductivity	0.034–0.05 W/(m·K)
Water repellency	≥99.8% for water-repellent board

Glass wool products

Glass Wool Roll Felt

Flexible roll felt, optionally supplied with aluminium-foil facing, for thermal and acoustic applications.

Typical applications

Building interiorsSilencing systemsTransport vehiclesRefrigeration equipmentAppliances

Key supplied indicators

Item	Supplied value
Thickness	25–100 mm
Length	3–20 m
Width	1200 mm
Density	20–64 kg/m³
Thermal conductivity	0.034–0.07 W/(m·K)
Formaldehyde release	Not detected in supplied data

Glass wool products

Glass Wool Pipe Section

Preformed pipe insulation for refrigeration, hot-water and steam systems; an aluminium-foil surface is available.

Typical applications

Refrigeration pipeworkHot-water systemsSteam pipeworkBuilding services

Key supplied indicators

Item	Supplied value
Density	30–96 kg/m³ (main specification)
Inside diameter	22–1200 mm
Thickness	30–100 mm
Applicable temperature	Not above 454°C
Thermal conductivity	0.034–0.07 W/(m·K)

Faced glass wool

Glass Wool Facing Options

Six surface options are grouped here for quicker visual comparison. The source file supplies use descriptions and photographs, but no separate numerical performance data.

Reinforced Foil-Faced Felt

Surface protectionInstallation finishWear resistance

Reinforced Foil-Faced Board

Surface protectionFinished surfacesWear resistance

Flame-Retardant Pure Aluminium Foil Facing

Moisture controlCorrosion protectionDecorative finish

Polypropylene (PVC) Facing

Moisture controlSound absorptionDecorative finish

Black Fibreglass Felt Facing

Sound absorptionSurface protectionDark exposed finish

Perforated Aluminium Foil Facing

Sound absorptionMoisture controlInsulation protection

Rock wool products

Rock Wool Board

Rigid mineral-wool board for industrial and building insulation, fire separation and sound absorption.

Typical applications

Industrial insulationBuilding insulationFire separationSound absorption

Key supplied indicators

Item	Supplied value
Grades	TR7.5, TR10 and TR15
TR7.5 density	120–160 kg/m³
TR10 density	160–200 kg/m³
Board size	1200 × 600 mm
Thickness	30–140 mm
Source note	TR15 is listed in the performance table without separate size/density values

Rock wool products

Rock Wool Felt

Flexible rock-wool felt available as plain, glass-cloth stitched, foil-faced or wire-mesh stitched products.

Typical applications

Large pipelinesVessels and tanksBoilersProcess linesThermal and acoustic insulation

Key supplied indicators

Item	Supplied value
Types	Plain; glass-cloth stitched; foil-faced; wire-mesh stitched
Density	60–120 kg/m³
Thickness	300–100 mm, transcribed exactly from the source
Width	600–1200 mm
Length	1000–5000 mm

Refractory materials

Refractory Castable

Wear-resistant refractory castables supplied in three grades for vibration casting.

1600°C3 gradesVibration casting

Typical applications

Wear-resistant refractory liningsHigh-temperature industrial equipment

Key supplied indicators

Item	Supplied value
Grades	D-17MA, D-17MB and D-14M
Maximum service temperature	1600°C for D-17MA/D-17MB; 1350°C for D-14M
Bulk density at 110°C × 24 h	2700–2900; 2600–2800; 2200–2500 kg/m³ respectively
Thermal-shock stability	≥35 cycles for D-17MA/D-17MB; ≥40 cycles for D-14M
Installation	Vibration casting

Refractory materials

High-Temperature Micro-Expansion Refractory Plastic

Wear-resistant refractory plastic grades for trowelling and ramming, with a separate medium-temperature wear-resistant coating grade listed in the source.

1600°CD-16 seriesTrowel & ram

Typical applications

High-temperature liningsWear-resistant areasTrowelling and ramming installation

Key supplied indicators

Item	Supplied value
Grades	D-16SA, D-16SB and D-16SC; A7SC-I medium-temperature coating
Maximum service temperature	1600°C for D-16 series
Bulk density at 110°C × 24 h	D-16SA: 2800–3000; D-16SB: 2600–2900; D-16SC: 2500–2800 kg/m³
Thermal-shock stability	D-16 series ≥30 cycles; A7SC-I ≥35 cycles under stated source conditions
Installation	Trowelling and ramming

Refractory materials

Insulation Castable

A lightweight insulation castable supplied in A, B and C grades.

Typical applications

High-temperature equipmentThermal insulation layersIndustrial lining systems

Key supplied indicators

Item	Supplied value
Grades	A, B and C
Slurry density	≤1000 kg/m³
Slurry pH	9–11
Dry density	A ≤180; B ≤220; C ≤280 kg/m³
Thermal conductivity at 350°C ±5°C	A ≤0.10; B ≤0.11; C ≤0.12 W/(m·K)
Tensile strength after 600°C × 4 h	≥50 kPa for all three grades

Refractory materials

High-Temperature Finishing Material

A finishing material for high-temperature equipment surfaces.

Typical applications

High-temperature equipmentProtective finishing layers

Key supplied indicators

Item	Supplied value
Density	≤800 kg/m³
Compressive strength	≥0.8 MPa
Thermal conductivity	≤0.20 W/(m·K) at a mean temperature of 25°C ±5°C
Loss on ignition	≤12.0%
Appearance after drying	No cracks or detachment

Source: Shaanxi Yongfeng Industrial Co., Ltd. product brochure and the supplied product image/parameter workbook.

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