Product Details

Specifications

1.low co-efficient of expansion;
2.high softening point;
3.light tranmittance: 91%-92%
4.clear, no visable bubble or tin flaw

Great borosilicate float glass for lighting glass

Product Characteristics

General

Sizes

Thickness (mm)		2.25	3.00	3.80		5.00	6.00	7.50
		2.75	3.30	4.00		5.50	6.50	8.00
Thickness tolerance	±0.2							±0.3
Dimension	Dimensions: 1150mm×850mm 1150mm×1700mm other formats upon request Available thickness: 2mm--12mm, 15mm, 20mm
	Net sized glass of strengthening can be supplied Glass of cut size is available
Size tolerance	L ≤ 1 m				1 m < L≤ 2 m
	± 1 mm				± 2 mm

Physical Properties

Density (at 25)	2.23±0.02g/³
Modulus of elasticity	68kN/mm²

Thermal Date

Co-efficient of expansion(20-300)	3.3±0.1×10^-6
Softening point	820±10
Strain point	516±10
Heat conductivity at 90	1.2W/mk
Caloricity	(20-100) 0.82KJ × (kg×K)^-1
Thermal shock resistance Strengthening type	180K 300K
Identical temperature difference Strengthening type	100K 300 K
Maximum working temperature Short time (<10h): Long time (>10h):	500 450

Optical Property

Chemical Performance

Water resistance

ISO719/DIN12111 HGB1

ISO720 HGA1

Acid resistance

ISO1776/DIN12116 1

Alkali resistance

ISO695/DIN52322 A2

Electrical Property

Specific resistance lgρ	8.0Ω×cm at 250
Dielectric dissipation fraction	38×10^-4
Dielectric constant	ε=4.7

Borosilicate fire resistance glass

Application:

Fire-resistance glass for doors and windows;

Fire-resistance glass for cut off;

Sealed insulating glass;

Glass used in curtain walls;

Fire-resistant glass for celling, floor;

Product Characteristic:

General

Sizes

Thickness	6mm	8mm	10mm	12mm
Thickness tolerance	±0.2	±0.3	±0.3	±0.3
Max.	1500mm×3000mm
Mini.	100mm×100mm(smaller sizes may be possible on request)
Size tolerance	L ≤1m		1m L ≤3m
	±1mm		±2mm