Product Safety & Rigorous Testing
Safety is the foundation of every BoroHouse glass container.
We believe kitchen tools should be safe, reliable, and completely harmless to your family’s health. Every one of our glass food storage containers undergoes strict material testing, high-temperature cycling tests, and third-party food-grade certification to ensure safe daily use, reheating, baking, and long-term storage.
Food-Grade Material Certification
All BoroHouse containers are made of high-purity borosilicate glass paired with food-grade silicone sealing lids.
Our materials comply with international food safety standards:
- FDA Food Contact Safety Certification
- LFGB German Food Grade Standard
- 100% BPA-Free, BPS-Free, Phthalate-Free
- Non-toxic, odorless, and chemically inert
No harmful substances will leach into your food, even during high-temperature heating, freezing, or long-term refrigerated storage.
Professional High & Low Temperature Testing
Borosilicate glass’s core advantage lies in its extreme temperature resistance.
We conduct repeated thermal shock tests to guarantee structural stability.
Our testing includes:
- Continuous heating test from 0°C to 250°C
- Freezing test down to -20°C
- Rapid hot-cold alternating impact testing
- Oven high-temperature endurance testing
BoroHouse glass containers safely support freezer, microwave, and oven use without cracking, deforming, or releasing residues.
Structural Strength & Durability Testing
To ensure daily household durability, every batch undergoes strict physical inspections:
- Pressure resistance testing
- Drop and impact inspection
- Wall thickness uniformity detection
- Anti-scratch and friction testing
Integrated one-piece molding eliminates weak seams, ensuring stronger toughness and longer service life than ordinary glassware.
Sealing & Hygiene Testing
Our silicone lid sealing system passes repeated leak-proof and airtight tests:
- 360° leak-proof inspection
- Long-term airtight freshness testing
- High-temperature resistant silicone aging test
The airtight locking design keeps food fresh, prevents liquid leakage, and maintains kitchen hygiene.
Strict Factory Quality Control
We implement multi-layer quality inspections before shipment:
- Raw material incoming inspection
- Semi-finished product dimensional testing
- Finished product appearance and transparency screening
- High-temperature safety sampling test
- Packaging drop resistance testing
Only qualified products are allowed to enter packaging and delivery.
Safe Usage Guidelines
Although our glassware is highly heat-resistant and durable, correct usage further ensures safety:
- Do not heat empty glassware in the microwave
- Avoid direct open-flame heating
- Place hot glass containers on dry surfaces only
- Wear gloves when removing high-temperature containers
- Keep away from children during heating
For detailed usage rules, visit our Care & Use Guide.
Why Choose BoroHouse Safety Standard
Most ordinary glass and plastic containers lack strict high-temperature testing.
BoroHouse focuses entirely on food-safe, heat-stable, long-lasting kitchen glassware.
By choosing BoroHouse, you get:
- Zero-chemical food storage
- Safe reheating and baking
- More hygienic and odor-free kitchen habits
- Sustainable, long-term reusable containers
