We can supply both Borosilicate Fire-Resistant Glass and High-Stress Fire-Resistant Glass
What's the difference between Borosilicate Fire-Resistant Glass and High-Stress Fire-Resistant Glass ?
1. Different Essence
- Borosilicate Fire-Resistant Glass
It is heat-resistant due to its special material properties.
It features inherent high thermal shock resistance and is not easy to crack under fire.
- High-Stress Fire-Resistant Glass
It is ordinary silicate glass processed through ultra-high-strength tempering.
Its fire resistance is achieved by high internal stress, while the base material remains conventional silicate glass.
2. Different Fire Performance (Key Difference)
- Borosilicate Glass
Usually meets Class A requirements: both fire integrity and thermal insulation.
It does not soften or flow in flames, and the temperature on the non-fire side remains low.
- High-Stress Glass
Generally belongs to Class C: only ensures fire integrity without thermal insulation.
It does not collapse or fall during a fire, but heat can pass through directly.
3. Strength and Safety
- Borosilicate Glass
Excellent thermal shock resistance, hardly cracks under rapid heating or cooling,
but produces relatively large fragments when broken.
- High-Stress Glass
Extremely high mechanical strength (1.5–3 times that of ordinary tempered glass),
breaks into small obtuse particles for better safety.
4. Appearance and Transparency
- Borosilicate Glass
Slightly pale yellowish-green tint, with slightly lower flatness.
- High-Stress Glass
High transparency, colorless, good flatness, more suitable for curtain walls and partitions.
5. Cost and Applications
- Borosilicate Glass
High cost, mainly used in high-temperature equipment, boiler sight glasses, pipelines, and special fire-resistant partitions.
- High-Stress Glass
Cost-effective, widely used in building curtain walls, fire-resistant partitions, and fire doors/windows where fire blocking is required but thermal insulation is not.
One-Sentence Summary
- Choose borosilicate glass for thermal insulation, high-temperature resistance, and harsh working conditions.
- Choose high-stress glass for high strength, good appearance, fire blocking without insulation, and curtain wall/partition applications.
We can supply both Borosilicate Fire-Resistant Glass and High-Stress Fire-Resistant Glass
What's the difference between Borosilicate Fire-Resistant Glass and High-Stress Fire-Resistant Glass ?
1. Different Essence
- Borosilicate Fire-Resistant Glass
It is heat-resistant due to its special material properties.
It features inherent high thermal shock resistance and is not easy to crack under fire.
- High-Stress Fire-Resistant Glass
It is ordinary silicate glass processed through ultra-high-strength tempering.
Its fire resistance is achieved by high internal stress, while the base material remains conventional silicate glass.
2. Different Fire Performance (Key Difference)
- Borosilicate Glass
Usually meets Class A requirements: both fire integrity and thermal insulation.
It does not soften or flow in flames, and the temperature on the non-fire side remains low.
- High-Stress Glass
Generally belongs to Class C: only ensures fire integrity without thermal insulation.
It does not collapse or fall during a fire, but heat can pass through directly.
3. Strength and Safety
- Borosilicate Glass
Excellent thermal shock resistance, hardly cracks under rapid heating or cooling,
but produces relatively large fragments when broken.
- High-Stress Glass
Extremely high mechanical strength (1.5–3 times that of ordinary tempered glass),
breaks into small obtuse particles for better safety.
4. Appearance and Transparency
- Borosilicate Glass
Slightly pale yellowish-green tint, with slightly lower flatness.
- High-Stress Glass
High transparency, colorless, good flatness, more suitable for curtain walls and partitions.
5. Cost and Applications
- Borosilicate Glass
High cost, mainly used in high-temperature equipment, boiler sight glasses, pipelines, and special fire-resistant partitions.
- High-Stress Glass
Cost-effective, widely used in building curtain walls, fire-resistant partitions, and fire doors/windows where fire blocking is required but thermal insulation is not.
One-Sentence Summary
- Choose borosilicate glass for thermal insulation, high-temperature resistance, and harsh working conditions.
- Choose high-stress glass for high strength, good appearance, fire blocking without insulation, and curtain wall/partition applications.
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