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Guardian Industries UK Glass Division

SunGuard SuperNeutral

SN 70/35

With a low g value of 35% and a light transmission of 70%, SN 70/35 provides excellent solar control with an exceptional light transmission and a low U value of 1.0 to provide exceptional control over the temperature inside your project.

For additional literature and supporting data for this product range please click here.

General Info

Coating SN 70/35
Glass Surface Coating Position 2
Glass Substrate: ExtraClear Float Glass or Laminated Glass
Available Thicknesses: 4mm, 6mm, 8mm, 10mm, 12mm
Max Height: 3210mm
Max Width: 6000mm
Heat Treatable: Annealed and heat treatable version available
Edge Deletion Required: Yes
Application must be within an insulating glass unit: Yes

Manufacturing Options

  • Annealed
  • Bendable
  • Heat Soaked
  • Heat Strengthened
  • Laminated
  • Toughened / Tempered

Typical Applications

  • Conservatories & orangeries
  • Curtain walling
  • Spandrel panels
  • Structural glazing
  • Windows and doors

Double Glazing Performance Figures

6/16/4 Insulating Glass Unit - SN 70/35 Surface 2, Clear Float Inner Pane

Light
Total light transmittance 70%
Light reflectance external 14%
Light reflectance internal 16%
General colour rendering index 94%
Ultra-Violet transmittance 10%
Solar Energy
Solar direct transmittance 33%
Solar direct absorption 25%
Secondary internal heat transfer factor 2%
Total solar energy transmittance (solar factor / g value) 35%
Total shading coefficient (g/0.87) 0.40
Selectivity Index
Selectivity (LT / g) 2.00
Thermal Insulation (U-value)
Thermal conductance with air (W/m2K) 1.3
Thermal conductance with 90% argon (W/m2K) 1.0
Thermal emissivity of coating 0.01

Triple Glazing Performance Figures

6/16/4/16/4 Insulating Glass Unit - SN 70/35 Surface 2, Clear Float Centre Pane, ClimaGuard A 1.0 Surface 5

Light
Total light transmittance 56%
Light reflectance external 21%
Light reflectance internal 27%
General colour rendering index 93%
Ultra-Violet transmittance 5%
Solar Energy
Solar direct transmittance 25%
Solar direct absorption 29%
Secondary internal heat transfer factor 4%
Total solar energy transmittance (solar factor / g value) 29%
Total shading coefficient (g/0.87) 0.33
Selectivity Index
Selectivity (LT / g) 1.93
Thermal Insulation (U-value)
Thermal conductance with air (W/m2K) 0.7
Thermal conductance with 90% argon (W/m2K) 0.5
Thermal emissivity of coating 0.01

The above performance values are calculated in accordance with EN410 and EN673, subject to fabrication tolerances.

Standards

Manufactured in accordance with EN 1096: Glass in building - Coated Glass

Performance data is calculated in accordance with EN 410: Glass in building - Determination of luminous and solar characterictics of glazing

Where performance data is given for double or triple glazed units, the calculation is performed in accordance with EN 673: Glass in building - determination of thermal transmittance (U value) - Calculation method

Suppliers

Dual Seal Glass Limited

Commercial Sealed Unit Manufacturer

403 Leeds Road, Huddersfield, West Yorkshire, HD2 1XU

Supertoughened Glass Ltd

Single Tempered and Processed Glass Suppliers

5-9 Willenfield Road, Park Royal, London, NW10 7BQ, United Kingdom

NovaGlaze Limited

Commercial & Domestic Glass Processor & Bending

Queens Mill Road, Huddersfield, West Yorkshire, HD1 3PG

Kwiktuf Limited

Domestic Sealed Unit Manufacturer & Processor

200 Fountain Road, Hull, HU2 0JZ

Crystal Units Ltd

Sealed Unit Manufacturers For Commercial and Domestic

100 West Hendon Broadway , Hendon, Middlesex, NW9 7AA, United Kingdom

Senior Glass Systems Limited

Commercial Sealed Unit Manufacturer

Lakeside House, Hopper Hill Road, Eastfield, Scarborough, YO11 3YS

Find your nearest suppliers

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National Suppliers

Architectural Aluminium Ltd

Aluminium glazing and cladding company, featuring the Arcal Glazing System

88 Wood Street, London, EC2V 7RS, United Kingdom

System 3 Ltd

IGU manufacturer for both domestic and commercial projects

Denton Hall Farm Road, Denton, Manchester, Lancashire, M34 2SY, U.K.

Diamond Glass

Commercial & Domestic Sealed Unit Manufacturers. Specialist Glass Processors.

Units S3 B, Le Broquay Avenue, Parkwest, Dublin, Dublin, D12 X0X9, Ireland

  • Tel: 00353 1620 5000
  • Fax: 00353 1620 5005
  • Email:
  • View Website

Float Glass Industries

Everseal IG Units, Glass Distributer and Processor with Jumbo capability

Float Glass House, Floats Road, Roundthorn Ind Est, Manchester, Lancarshire, M23 9QA, U.K.

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