Verified by manufacturer 4 months ago
4 mm Pilkington Mirai Optitherm™ S1 Plus
Low carbon glass substrate Pilkington Mirai™ coated with Pilkington Optitherm™ S1 Plus low emissivity coating, reducing embodied and operational carbon.
Pilkington Mirai™ has been developed to mark the start of the next generation of low carbon glass products to help meet stricter sustainability requirements in the built environments. Achieved using a combination of alternative fuel, high recycled glass content, and green electricity sources, Pilkington Mirai™ offers identical quality, performance, and aesthetics as Pilkington Optifloat™ Clear, but with only half the impact on the environment.
Pilkington Mirai™ can be offered in combination with Pilkington Optitherm™ (high performance low-e and solar control coating) including laminated and acoustic variants and has been designed for both commercial and residential segments.
Features and benefits:
* Compared with our standard 4 mm Pilkington Optifloat™ Clear (European baseline).
** As per Environmental Product Declaration (EPD S-P-11498) for Pilkington Mirai™ verified by an independent third party.
| Color | Clear | 
| Finish | Glazed | 
| Material | Glass | 
| Shape | Square Rectangle | 
| Length | Bespoke | 
| Width | Bespoke | 
| Height | 4 mm 6 mm 8 mm | 
| Warranty description | Manufacturer guidanceN/A | 
| Uniclass | |
| CAWS | L40/60 Insulated glass units H13/115 Structural glass assembly L40/655 Insulated glass units (IGUs) – proprietary | 
| Classification data | |
| General requirements | Glass generally. | 
| Standard | Manufactured in accordance with EN 572-2. | 
| Third-party certification | Third-party-accredited by an independent third party. | 
| Pane arrangement | Double. | 
| Overall thickness | 24 mm. | 
| Performance requirements | |
| Light | Transmittance (minimum) 0.66. Reflectance: 0.25. | 
| Solar control | Solar factor (minimum) 0.48. | 
| Thermal insulation | 1.0 W/m²K. | 
| Sound attenuation | 31 dB. | 
| Environmental rating | Global warming potential (GWP): 5 kg CO² e per m². Guidance for specification option: 
 | 
| Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 50%. | 
| Unit build-up | |
| Inner pane | |
| Glass type | Pilkington Mirai Optitherm™ S1 Plus. | 
| Thickness | 4 mm. | 
| Outer pane | |
| Glass type | Pilkington Mirai™. | 
| Thickness | 4 mm. | 
| Cavity space fill | Argon. Guidance for specification option: 16 mm 90% argon filled cavity. | 
| Contains Red List materials | No | 
| Country of material origin | United Kingdom | 
| Country of product manufacture | United Kingdom | 
| Material | Glass | 
| Carbon dioxide equivalent | |
| Carbon dioxide equivalent, as defined in BS EN 15804 Self-declared | |
|  Stage  Normalised unit  (kg CO₂ eq/kg)  Declared unit  (kg CO₂ eq/m²)  Stage:A1–A3 ('Production stage')  Normalised unit  :   Declared unit  : 5.0  Lower emissions | |
| Recyclability | 100% | 
| Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 50 % | 
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