Continental Europe - EN

SN 51/28

Discontinued Product Alert SN 51/28 is a discontinued product and has been superseded by SN 51, which has similar aesthetic and performance qualities.

SunGuard® SuperNeutral

SN 51/28

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Architects and owners regularly choose coated glass products that offer very high natural light transmission while ensuring energy savings and solar protection. SunGuard® SN 51/28 meets these requirements. This multifunctional coating minimises the need for artificial light and offers excellent solar protection combined with outstanding thermal insulation.

Product information

Substrates

Guardian ExtraClear 4-12 mm
Guardian UltraClear 4-12 mm

Applications

Windows
Facades
Roof window
Curtain walls
Doors

Manufacturing Options

TPF (Temporary Protective Film)
Annealed
Dual Product (Annealed and Heat Treated versions)
Must be Heat Treated
Laminated
Bent

Recommended Coating Positions

Surface 2 (double IGU)
Surface 2 (triple IGU)

Maximum Size

<3210x6000mm

Edge Deletion

Glass Type

Double Silver Coated Glass

Glass Functions

Solar control
Thermal insulation

Fabrication Options

Must be used in an Insulating Glass Unit

Appearance

Neutral

Visual Appearance

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Substrate

There is only one substrate available for this product

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Right sky conditions

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Performance data

The glazing make-up suggestions below are pre-defined to provide examples of commonly used combinations of products. There are many other glass combinations available at Glass Analytics.

Default Performance Data
Performance Calculations

Double Glazed
Triple Glazed

Double Glazed

GLASS: Guardian ExtraClear (CE) Glass, 6mm (2-SunGuard® SN 51/28 (CE) - Discontinued)

GAP: 10% Air, 90% Argon 16.0mm

GLASS: Guardian ExtraClear (CE) Glass, 4mm

Calculated Values are in accordance with EN 410:2011 / EN 673:2011

Performance Values

Visible Light

Transmittance (τv)

51 %

Reflectance outside (ρv)

12 %

Reflectance inside (ρv)

23 %

General Color Rendering Index (CRI)

Ultraviolet

Transmittance UV (τuv)

15 %

Solar Energy

Solar transmittance (τe)

26 %

Reflectance outside (ρe)

37 %

Reflectance inside (ρe)

46 %

Solar absorptance (αe)

37 %

Solar Factor (g)

28 %

Shading Coefficient (sc)

0.32

Thermal properties

U-Value (Ug)

1.0 W/m²·K

Triple Glazed

GLASS: Guardian ExtraClear (CE) Glass, 6mm (2-SunGuard® SN 51/28 (CE) - Discontinued)

GAP: 10% Air, 90% Argon 14.0mm

GLASS: Guardian ExtraClear (CE) Glass, 4mm

GAP: 10% Air, 90% Argon 14.0mm

GLASS: Guardian ExtraClear (CE) Glass, 4mm (5-ClimaGuard® Premium2 (CE))

Calculated Values are in accordance with EN 410:2011 / EN 673:2011

Performance Values

Visible Light

Transmittance (τv)

46.3 %

Reflectance outside (ρv)

13.7 %

Reflectance inside (ρv)

24.5 %

General Color Rendering Index (CRI)

91.5

Ultraviolet

Transmittance UV (τuv)

9.7 %

Solar Energy

Solar transmittance (τe)

22.5 %

Reflectance outside (ρe)

37.7 %

Reflectance inside (ρe)

42.4 %

Solar absorptance (αe)

39.8 %

Shading Coefficient (sc)

0.29

Secondary Heat Transfer (qi)

2.9

Performance Calculations

SunGuard® SuperNeutral

SN 51/28

Monolithic Not Laminated Monolithic Laminated Double Glazed Not Laminated Double Outer pane Laminated Double Inner pane Laminated Double Inner and Outer pane Laminated Triple Glazed Not Laminated Triple Outer pane Laminated Triple Inner pane Laminated Triple Inner and Outer pane Laminated

With the performance calculator, you can quickly calculate the performance data that matches your own glazing make-up

1 Pane
2 calculation format
3 Results

1 Outer Pane
2 Inner Pane
3 cavity
4 calculation format
5 Results

1 Outer Pane
2 Middle Pane
3 Inner Pane
4 cavity
5 calculation format
6 Results

Choose a glazing

Monolithic

Not available for this product
Double

Not available for this product
Triple

Not available for this product

Monolithic

Monolithic Laminated

Double Glazed

Double Outer pane Laminated

Double Inner pane Laminated

Double Inner and Outer pane Laminated

Triple Glazed

Triple Outer pane Laminated

Triple Inner pane Laminated

Triple Inner and Outer pane Laminated

Outer Pane

Base glass *

There is only one substrate available for this product.

PVB interlayer thickness *

There is only one Interlayer available for this product.

Base glass *

There is only one substrate available for this product.

Base glass thickness *

There is only one thickness available, to calculate other thickness' please go to Glass Analytics

Glass thickness are symetrical and represent the glass to be laminated

Coating on surface 1 *

There is only one coating available

Coating on surface 2 *

There is only one coating available

Coating on surface 3 *

There is only one coating available

Coating on surface 4 *

There is only one coating available

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Standardization *

There is only one calculation standard available

Unit Display *

There is only one unit available for this calculation standard

Results

Calculated Values are in accordance with

Performance Values

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SN 51/28

Project(s) Using SN 51/28

Product information

Visual Appearance

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