Low iron tempered glass for solar panel 3.2mm/4mm Supplier's Choice

Properties

Patterned Solar Glass

Iron content

≤0.010%Fe2O3

Glass thickness

3.2mm and 4.0mm±0.2mm

Energy Transmittance Te in%(±1%)

Measurement aco.ISO9050:1990(E) and DIN67507/6.3

Factors aco.ISO9845/1(300-2500nm,AM1.5)

3.2mm glass→91.6%±0.5%

4.0mm glass→91.5%±0.5%

Surface Finish

Patterned One-sided   /FLOAT

Roughness 0.4μm-1.0μm  /0

Edge processing

Grounded edges-shiny parts are allowed

Cut corners

Maximum 3mm

Mechanical Resistance (DIN52303)

90 N/mm²

Compressive Strength (DIN1249-10)

>700 up to 900 N/mm²

Fragmentation (according to EN12150-1)

Some small particles over the area 50×50mm

Shells L X W

Maximum permissible 2×1mm

Thermal resistance (EN12150)

Permanent temperature resistance up to 250 ℃

Local Thermal Resistance

Flat iron test (min.150℃ over ambient temperature)

Weight

2.5×glass thickness in kg/m²

Max/Min Sheet-Dimensions

3mm glass→max.2100mm×1660mm, min.200mm×250mm

4.0mm glass→max.2600mm×1660mm, min.200mm×250mm

Dimensional Tolerances

±1.5mm

Rectangularity

Diagonal difference max.1mm/m

Edge working

Grounded with blank spots

Corner Cuts

Max.3.0mm

Tolerances for Drilled Holes (grounded)

±1.0mm

General Bow

For 3mm glass thickness max.2.0mm/m

For 4mm glass thickness max.1.5mm/m

S-Bow and Frog-Effect is not permitted

Convex side always on top/on front

Local Bow

Max.0.35mm/300mm up to the edges 25mm from the edges for the rest of the surface →max.0.25mm/300mm

Run direction is provided by customer

Glass quality per sheet:

Test criteria(EN572-5:1994/5.1.1.1):

Viewing distance 1.5m vertical to the sheet

Parallel to a matt grey sheet at a distance of 3m in diffuse daylight

Special Bubbles

<1mm unlimited

Holly Song

NANTONG REOO TECHNOLOGY CO.,LTD.

Add: Chennan industrial park, Rudong, Jiangsu, China  Zip.226400

Mobile number:  +86 187 5282 7203

Tel: +86 513 8410 5399    

Fax:   +86 513 8410 5505          

Skype:  reooholly   

What'App:+0086 187 5282 7203