4 Mm Clear Float Glass Factory
4 mm Clear Float Glass Factory – SHAHE SHOTT GLASS Co., Ltd. | Premium Quality & High-Speed Delivery
Looking for a reliable 4 mm clear float glass factory that combines 28 years of expertise, OEM/ODM design flexibility, and high-speed delivery? SHAHE SHOTT GLASS Co., Ltd. delivers superior clarity, durability, and cost-efficiency for global OEM/ODM customers. Our 20,000 sqm facilities and advanced processing lines ensure your projects stay on schedule—without compromising quality.
Reduce procurement costs by 15-20% with China’s leading supply chain advantages. Get a free quote in 24 hours or request samples today.
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Pain Points in Sourcing 4 mm Clear Float Glass
Corporate purchasing managers and technical directors face three critical challenges when sourcing 4 mm clear float glass:
High Costs Erode Profit Margins
Global supply chain disruptions and fluctuating raw material prices (e.g., soda ash, limestone) have driven up costs. According to MarketsandMarkets, the float glass market is projected to reach USD 298.65 billion by 2030, but 40% of buyers report overpaying due to middlemen or inefficient suppliers. Direct factory partnerships—like ours—eliminate markups.
Inconsistent Quality Across Suppliers
Subpar glass can lead to structural failures, optical distortions, or non-compliance with standards like GB15763.2-2005 (China) or EN 572 (Europe). Our tempered glass panels surpass GB15763.2-2005, and our LED mirrors are FCC/UL-certified. Poor quality risks project delays and safety hazards.
Slow Lead Times Disrupt Project Timelines
Delays in glass delivery can halt construction, automotive, or solar projects. With 3 plants totaling 20,000 sqm, we operate 45m-long tempering furnaces and Intermac CNC work centers to ensure rapid turnaround. While competitors average 6-8 weeks, we deliver in 4-5 weeks.
Our Solution: Premium 4 mm Clear Float Glass with OEM/ODM Flexibility
SHAHE SHOTT GLASS stands out among 4 mm clear float glass factories by addressing these pain points with:
Unmatched Factory Capabilities
- 28 Years of Expertise: Since 1996, we’ve evolved from a family-owned workshop to a global leader in glass processing.
- State-of-the-Art Equipment:
- 45m-long tempering furnace for large-scale production.
- Intermac CNC work center & cutting table for precision.
- Double edge grinding machines for smooth, safe edges.
- Waterjet, PVB, and EVA laminating lines for custom solutions.
- One-Stop Solutions: From clear float glass to tempered, laminated, or coated variants, we handle all processing in-house.
- OEM/ODM Design Support: Our 24/7 team turns your designs into reality—fast.
Technical Specifications
Our 4 mm clear float glass meets the highest industry standards:
| Property | Specification | Standard |
|---|---|---|
| Thickness | 4 mm ± 0.2 mm | EN 572, GB/T 11914 |
| Visible Light Transmittance | ≥ 89% | EN 410 |
| Iron Content (Fe₂O₃) | ≤ 0.08% | Ultra-clear variant available |
| Flatness | Class A (Wave Distortion ≤ 0.3%) | EN 572-2 |
| Edge Quality | Smooth, seamed or polished | Customer specification |
| Maximum Size | 3660 mm × 2440 mm | Custom sizes available |
Note: Custom thicknesses (2 mm–19 mm) and processing (tempering, coating, laminating) available upon request.
Application Scenarios
Our 4 mm clear float glass is ideal for:
- Architectural: Windows, facades, indoor partitions, and IGUs (Insulated Glass Units) for energy-efficient buildings. The architectural flat glass market is projected to reach USD 313.9 billion by 2033.
- Automotive: Side windows, rear windows, and sunroofs (tempered for safety). The tempered glass market is expected to grow to USD 92.79 billion by 2030.
- Solar: Base substrate for photovoltaic panels. Ultra-clear variants (Fe₂O₃ ≤ 0.01%) maximize solar transmittance.
- Furniture & Decor: Tabletops, shelves, and mirror backings. Our FCC-certified LED mirrors are a top choice for premium interiors.
- Electronics: Display covers and protective panels (coated or strengthened as needed).
Frequently Asked Questions (FAQ)
1. What is the MOQ for 4 mm clear float glass?
MOQ: 1 container (20–25 tons). For OEM/ODM projects, we negotiate based on design complexity. Sample orders (10–50 sheets) are available for testing.
2. Can you customize thickness, size, or processing?
Yes! We offer:
- Thickness: 2 mm–19 mm.
- Sizes: Up to 3660 mm × 2440 mm (or custom).
- Processing: Tempering, laminating, coating (low-E, reflective), edge grinding, drilling, and screen printing.
Lead time: 4–5 weeks for standard; 6–8 weeks for custom.
3. What are your payment terms?
Flexible options:
- TT (Telegraphic Transfer): 30% deposit, 70% before shipment.
- LC (Letter of Credit): At sight or 30/60/90 days.
- Western Union: For sample orders.
Note: We accept USD, EUR, and CNY.

4. How do you ensure quality control?
Our QC process includes:
- Raw Material Inspection: Float glass sheets are checked for bubbles, inclusions, and thickness.
- In-Process Checks: Dimensional accuracy, edge quality, and flatness are monitored.
- Final Testing: Strength (for tempered), optical clarity, and compliance with EN/GB/ASTM standards.
- Third-Party Certifications: SGS, TÜV, or BV inspections available upon request.
5. What are your shipping and logistics options?
Global shipping:
- Sea Freight: FCL (Full Container Load) or LCL (Less than Container Load).
- Air Freight: For urgent samples or small orders.
- Land Transport: For regional deliveries in Asia.
Packaging: Wooden crates with foam padding, or A-frame racks for large sheets. Breakage rate: <0.1%.
Ports: Tianjin, Shanghai, or Ningbo (China).
6. Do you offer after-sales support?
Yes:
- Warranty: 10 years for tempered glass; 5 years for laminated/coated products.
- Technical Support: 24/7 assistance for installation or issues.
- Replacement Policy: Free replacement for defective sheets within warranty.
7. How does your pricing compare to competitors?
We leverage China’s supply chain advantages to offer 15–20% lower prices than European or U.S. suppliers—without sacrificing quality. For example:
- Standard 4 mm clear float glass: $3.50–$5.00/sqm (FOB Tianjin).
- Tempered 4 mm: $8.00–$12.00/sqm.
- Ultra-clear 4 mm: $6.00–$9.00/sqm.
Note: Prices fluctuate based on raw material costs and order volume. Request a tailored quote.
8. Can you provide samples?
Yes! We offer free samples (1–2 sheets) for evaluation. You only cover shipping costs (typically $50–$150 via DHL/FedEx). Samples are ready in 3–5 days.
Ready to Secure Your Supply of 4 mm Clear Float Glass?
Limited-time offer: Orders placed in Q1 2026 receive:
- 5% discount on first-time orders > 10 tons.
- Free technical consultation for custom projects.
- Priority production scheduling (reduce lead times by 1 week).
Risk-free guarantee: Not satisfied? We offer a full refund or replacement for defective products.
Contact us now:
Or fill out the form below for a personalized response within 6 hours:
Request a Quote
Real Customer Reviews
“We sourced 4 mm clear float glass for a high-rise facade project. SHAHE SHOTT’s consistent quality and on-time delivery were impressive. Their tempered glass passed all Australian safety tests (AS 2208). Highly recommend!”
“Their ultra-clear 4 mm float glass was perfect for our low-E IGUs. The 91% light transmittance exceeded our expectations, and their CE certification simplified compliance. Will order again.”
“Great product, but shipping to India took longer than expected. However, the quality was flawless, and their technical team helped optimize our panel design. Worth the wait.”
Word Count Distribution: H1-H3 Levels: Looking for a reliable 4 mm clear float glass factory that combines 28 years of expertise , OEM/ODM design flexibility , and high-speed delivery ? SHAHE SHOTT GLASS Co.,
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