IS 14900: 2018
Transparent Float Glass
summary
Transparent Float Glass is a high-quality flat glass produced by floating molten glass over molten tin to achieve a uniform thickness and smooth surface. It is widely used in windows, doors, facades, furniture, automotive glazing, and interior applications due to its clarity, strength, and excellent light transmission properties.
Why BIS Certificate is Mandatory for Transparent Float Glass
BIS certification is mandatory for transparent float glass to ensure safety, quality, and performance consistency. As glass is used in construction and consumer applications, BIS standards help prevent breakage hazards, ensure proper thickness and strength, and protect users from substandard products, while ensuring compliance with Indian safety and building regulations.
What is BIS Certified for Transparent Float Glass
The BIS certified specification for transparent float glass defines requirements for optical quality, thickness tolerance, flatness, strength, surface finish, and permissible defects. It also includes testing methods and inspection criteria to ensure the glass meets Indian Standards for safety, durability, and suitability for architectural and industrial use.
Test required for Transparent Float Glass
| Title | Mandatory/Optional |
|---|---|
| Characteristic | Required |
| Visual Light Transmission | Required |
Dimensions and tolerances
| Title | Mandatory/Optional |
|---|---|
| Thickness | Required |
| Length & Width | Required |
| Squareness | Required |
| Optical faults | Required |
Visual Faults
| Title | Mandatory/Optional |
|---|---|
| Spot Faults | Required |
| Reams, Strings and Lines | Required |
| Linear/ExtendedFaults | Required |
| Defects on cut side | Required |
| Bloom | Required |
Benefits of BIS Certification for Transparent Float Glass
1. Assured Safety and Strength
BIS certification ensures the glass meets prescribed strength and quality parameters, reducing the risk of breakage and injury in practical applications.
2. Consistent Quality Standards
Certified glass maintains uniform thickness, clarity, and surface finish, ensuring reliable performance across construction and manufacturing uses.
3. Compliance with Indian Regulations
BIS certification is mandatory for sale in India, helping manufacturers and importers avoid legal issues, penalties, or rejection in the market.
4. Improved Consumer and Builder Trust
The BIS mark assures architects, builders, and consumers that the glass complies with recognized national quality standards.
5. Enhanced Market Acceptance
BIS-certified transparent float glass gains wider acceptance in government projects, infrastructure development, and organized construction markets.