4Mm Float Glass Clear
Premium 4mm Float Glass Clear – High Clarity, Factory-Direct Pricing | SHAHE SHOTT
Reduce procurement costs by 20-30% with 4mm clear float glass from China’s top-tier manufacturer. Direct from our 20,000sqm plants to your project—OEM/ODM supported, high-speed delivery, free samples available.
Contents
3 Critical Pain Points When Sourcing 4mm Float Glass Clear
1. Volatile Pricing from Middlemen
Local distributors mark up 4mm clear float glass by 40-60% due to supply chain inefficiencies. Direct factory sourcing cuts costs by 20-30%, but requires vetted suppliers.
2. Quality Inconsistencies
Substandard 4mm float glass may have waves, bubbles, or low light transmittance (below 88%). Architectural projects demand ASTM C1036 compliance for distortion-free clarity.
3. Lead Times & Logistics Nightmares
Traditional suppliers take 60-90 days for delivery. SHAHE SHOTT’s 20,000sqm plants and global logistics reduce lead times to 30-45 days for bulk orders.
The global float glass market hit USD 171.88 billion in 2025 (MarketsandMarkets), with clear variants dominating due to construction and solar demand. Yet 60% of buyers report delays or quality issues with overseas suppliers.
SHAHE SHOTT’s 4mm Float Glass Clear: The Direct-Factory Advantage
| Feature | Traditional Suppliers | SHAHE SHOTT |
|---|---|---|
| Price (per sqm, 4mm) | $8.50–$12.00 | $5.80–$7.20 |
| Light Transmittance | 85–88% | 89–91% (ASTM C1036) |
| Lead Time (Bulk) | 60–90 days | 30–45 days |
| MOQ | 500+ sqm | 100 sqm (OEM/ODM accepted) |
| Certifications | Basic ISO | GB15763.2, CE, CCC, ASTM |
SHAHE SHOTT’s 20,000sqm facility with Intermac CNC work centers and 45m tempering furnace
5 Reasons Purchasing Managers Choose Us
- Cost Leadership: Vertical integration (raw silica to packaging) eliminates middlemen markups. Our 4mm clear float glass is priced 20-30% lower than European/US suppliers.
- Premium Clarity: 89-91% light transmittance (vs. industry average of 87%) with <0.5% distortion. Ideal for solar panels, high-end facades, and furniture.
- Full-Service OEM/ODM: From custom sizes (max 6000x3000mm) to edge grinding, drilling, and tempering—all under one roof.
- Global Logistics: Partnerships with DHL, Maersk, and COSCO ensure damage-free delivery in 30-45 days to US/EU ports.
- Risk-Free Trials: Free samples (100x100mm) shipped in 7 days. Money-back guarantee on first bulk order.
Technical Specifications: 4mm Float Glass Clear
4mm float glass clear is a soda-lime silica glass produced via the Pilkington float process, ensuring uniform thickness, flatness, and optical clarity. Below are the technical parameters compliant with ASTM C1036, EN 572, and GB 11614.
| Property | Value | Standard |
|---|---|---|
| Thickness | 4.0mm ±0.2mm | ASTM C1036 |
| Light Transmittance | 89–91% | EN 410 |
| Iron Content (Fe₂O₃) | <0.08% | GB 11614 |
| Density | 2.5 g/cm³ | ISO 7884-2 |
| Softening Point | 720°C | ASTM C338 |
| Thickness Tolerance | ±0.2mm | EN 572-2 |
| Flatness | <0.3% wave distortion | ASTM C1036 |
| Edge Quality | Cut or seamed (customizable) | Customer Request |
| Max Size | 6000mm x 3000mm | Factory Capability |
| Packaging | Strong wooden crates with foam protection | Export Standard |
Download Full Specifications
Get the complete technical datasheet, including mechanical properties, thermal expansion, and chemical resistance.
4mm Float Glass Clear Applications Across Industries
Our 4mm clear float glass serves as a base material for value-added processing and is used in:
🏗️ Architectural Facades
- Curtain walls
- Windows and doors
- Skylights and canopies
Why 4mm? Balances light transmittance and structural integrity for mid-rise buildings.
☀️ Solar Panels
- Photovoltaic (PV) modules
- Solar thermal collectors
- Greenhouse glazing
Why 4mm? High transmittance (89-91%) maximizes energy efficiency. Ultra-clear variants available for premium solar projects.
🚗 Automotive
- Side windows
- Sunroofs
- Rearview mirrors
Why 4mm? Meets safety and optical clarity standards for automotive glazing.
🪟 Furniture & Decor
- Glass tables and shelves
- Cabinet doors
- Decorative partitions
Why 4mm? Thin yet durable, ideal for lightweight furniture with high-end aesthetics.
📌 Case Study: Solar Farm in Texas (2025)
Client: A US-based renewable energy developer
Project: 50MW solar farm requiring 50,000 sqm of 4mm clear float glass for PV modules.
Challenge: Local suppliers quoted $11.50/sqm with a 12-week lead time.
Solution: SHAHE SHOTT delivered 50,000 sqm at $6.80/sqm in 6 weeks, with 91% transmittance and ASTM compliance.
Result: 40% cost savings and accelerated project completion by 6 weeks.
“SHAHE SHOTT’s 4mm float glass was indistinguishable from US-made glass but at a fraction of the cost. Their technical team even helped optimize our module design.”
Trusted by Global Leaders | 4mm Float Glass Clear
Certifications & Compliance
ISO 9001
CE
ASTM C1036
CCC
GB 11614
Our 4mm float glass clear complies with US, EU, and Chinese standards, ensuring seamless global trade.
Client Testimonials
Procurement Manager, GreenBuild Architects
“We needed 4mm clear float glass for a high-end residential project. SHAHE SHOTT delivered crystal-clear sheets with zero defects at 30% below our local quotes. Their technical support was a game-changer.”
Supply Chain Director, EcoWindow Systems
“Their 4mm float glass met EN 572 standards flawlessly. We’ve switched 60% of our supply to them—consistent quality and on-time delivery every time.”
Technical Director, AutoGlass Pro
“For automotive glass, optical clarity is non-negotiable. Their 4mm clear float glass had no distortion, and their edge grinding was precision-perfect.”
Frequently Asked Questions About 4mm Float Glass Clear
❓ What is the MOQ for 4mm float glass clear?
Answer: Our minimum order quantity is 100 sqm for standard sizes. For custom sizes or processed glass (e.g., tempered, laminated), the MOQ starts at 200 sqm.
❓ Can you provide custom sizes for 4mm clear float glass?
Answer: Yes. We offer custom cutting from 300x300mm to 6000x3000mm. Our Intermac CNC machines ensure ±0.5mm precision.
❓ How is the 4mm float glass clear packaged for shipping?
Answer: Sheets are interleaved with paper, wrapped in PE film, and packed in fumigated wooden crates with foam protection. Each crate holds 50-100 sqm depending on sheet size.
❓ What payment terms do you accept?
Answer: We offer TT (30% deposit, 70% before shipment), LC at sight, and DP terms for long-term clients. For first-time buyers, 100% TT in advance is required for orders <1,000 sqm.
❓ Do you provide samples of 4mm float glass clear?
Answer: Yes! We offer free samples (100x100mm) shipped via DHL/FedEx within 7 days. For larger samples (300x300mm), a $50 courier fee applies (refundable with bulk order).
❓ What is the lead time for bulk orders?
Answer: Standard lead time is 30-45 days for orders <10,000 sqm. For larger volumes, we can arrange expedited production (contact us for details).
❓ Can you process the 4mm float glass (e.g., tempering, laminating)?
Answer: Absolutely. Our in-house capabilities include:
- Tempering (45m furnace)
- Laminating (PVB/EVA interlayers)
- Edge grinding & polishing
- Drilling & notching
- Coating (Low-E, reflective)
❓ Which standards does your 4mm float glass clear meet?
Answer: Our 4mm clear float glass complies with:
- ASTM C1036 (US)
- EN 572 (EU)
- GB 11614 (China)
- AS/NZS 2208 (Australia)
Real User Reviews for 4mm Float Glass Clear
Project Manager, US
“Ordered 5,000 sqm of 4mm float glass clear for a commercial building. The clarity was exceptional, and the delivery was on time. Will definitely reorder.”
Architect, Spain
“Used their 4mm clear float glass for a modern villa’s facade. The consistency in thickness and flatness was impressive. Highly recommend!”
Solar Engineer, Australia
“Their 4mm float glass for our solar panels had 91% transmittance—better than local suppliers. The packaging was robust, no breakage.”
About the Author
Daniel Carter
Senior Glass Industry Consultant
With 18 years of experience in glass manufacturing and global trade, Daniel has helped 50+ enterprises optimize their glass procurement strategies. He specializes in float glass standards, supply chain logistics, and cost-saving solutions for architectural and industrial applications. Daniel holds a Master’s in Materials Engineering and has contributed to industry whitepapers on glass processing innovations.
Ready to Reduce Costs on 4mm Float Glass Clear?
Join 200+ global buyers who save 20-30% with SHAHE SHOTT’s factory-direct pricing.
Request a Quote
📍 Address: North Second Row, East Side of Dadong Logistics, Economic Development Zone, Shahe City, Xingtai City, Hebei Province, China
Reduce procurement costs by 20-30% with 4mm clear float glass from China’s top-tier manufacturer. Direct from our 20,000sqm plants to your project— OEM/ODM supported, high-speed delivery, free samples available . Local distributors mark up
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