# Premium 1.8mm to 9mm Clear Float Glass Sheet with 86-89% Transmittance

> Premium 1.8mm to 9mm Clear Float Glass Sheet with 86-89% Transmittance — a building / safety glass: Thick Sheet Glass thick. Specs, RFQ checklist and…

- Page: https://machiningglass.com/products/premium-1-8mm-to-9mm-clear-float-glass-sheet-with-86-89-transmittance/
- SKU: MG-795644
- Category: Industrial, Architectural & Appliance Glass > Float, Tempered & Laminated Building Glass
- Image: https://machiningglass.com/wp-content/uploads/2026/10/Premium-1-8mm-to-9mm-Clear-Float-Glass-Sheet-with-86-89-Transmittance.webp
- Updated: 2026-10-24

Product type: Flat, Float. Application: Furniture, Door, Building, Window. Model: KH191. Function: Insulated Glass, Low-E Glass, Heat Reflective Glass, Heat Absorbing Glass, Bulletproof Glass, Acid Etched Glass, Decorative Glass.

## Overview

Premium 1.8mm to 9mm Clear Float Glass Sheet with 86-89% Transmittance: a building / safety glass. Listed geometry: thickness Thick Sheet Glass, flat shape. Optical / electrical data: transmittance 86-89%. It is used in Furniture, Door, Building and Window. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.

## Specifications

| Parameter | Value |
| --- | --- |
| Type | Flat, Float |
| Shape | Flat |
| Thickness | Thick Sheet Glass |
| Usage | Furniture, Door, Building, Window |
| Model NO. | KH191 |
| Structure | Solid |
| Function | Insulated Glass, Low-E Glass, Heat Reflective Glass, Heat Absorbing Glass, Bulletproof Glass, Acid Etched Glass, Decorative Glass |
| Nominal Thickness | 5mm |
| Surface State | Ordinary Net Sheet Glass |
| Grade | Excellent Grade |
| Forming | Float Process |
| Workmanship | Molding machinery |
| Color | Clear |
| Visible Light Transmittance | 86-89% |
| Max Thickness | 25mm |
| Related Products | Ultra Clear |
| Process to | Laminated Glass, Tempered Glass, Coated Glass |
| Range of thicknesses | 3mm, 4mm, 5mm, 5.5mm, 6mm, 8mm, 10mm, 12mm for optimal applications. |
| Ultra-thin options | 0.8mm, 1.0mm, 1.3mm, 1.5mm, 1.8mm, and 2mm for specialized uses. |
| Robust ultra-thick selections | 15mm, 19mm, 22mm for strength in demanding applications. |
| Sizes | 1524*2134mm, 1220*1830mm, 1650*2140mm, 1830*2440mm, 2134*3300mm, 2250*3300mm, 2440*3300mm, 2140*3660mm, 2440*3660mm, and more for diverse designs. |
| Need basic specifcations | thickness, size, color, quantity, edge/hole requirement,etc |
| Supplier | QINGDAO KH MATERIALS CO., LTD |

## Technical data

|   |   |   |   |   |   |   |
| --- | --- | --- | --- | --- | --- | --- |
| Thickness | Visible LightTransmittance | Visible Light Reflectivity | Solar Transmittance | Solar Reflectivity | Visible-Infrared Transmittance | UItraviolet Transmittance |
| 2 | 90.69 | 8.3 | 87.22 | 7.9 | 84.15 | 83.44 |
| 2.5 | 90.47 | 8.3 | 86.14 | 7.8 | 82.31 | 81.97 |
| 2.8 | 90.34 | 8.3 | 85.51 | 7.7 | 81.22 | 81.15 |
| 3 | 90.25 | 8.3 | 85.09 | 7.7 | 80.51 | 80.62 |
| 3.2 | 90.17 | 8.3 | 84.67 | 7.7 | 79.80 | 80.11 |
| 4 | 89.82 | 8.3 | 83.04 | 7.6 | 77.03 | 78.18 |
| 5 | 89.39 | 8.2 | 81.07 | 7.4 | 73.71 | 76.02 |
| 6 | 88.96 | 8.2 | 79.17 | 7.3 | 70.54 | 74.08 |
| 8 | 88.31 | 8.1 | 76.51 | 7.1 | 66.14 | 70.60 |
| 10 | 87.47 | 8.1 | 73.61 | 6.9 | 61.56 | 67.15 |
| 12 | 86.25 | 8.0 | 68.53 | 6.6 | 53.09 | 66.23 |

## What to specify when you request a quote

- **Glass type and thickness** — listed as “Thick Sheet Glass”; name the glass and thickness.
- **Temperature and pressure** — give working temperature, thermal shock and any pressure rating.
- **Strengthening and safety** — state tempering, lamination or the safety standard.
- **Outline and edges** — listed as “Flat”; send a drawing with outline, holes and edge finish.

## Engineering guides for this part

For material grades and coating options, see [Custom Borosilicate Glass Sheets Cut to Size: Precision and Performance](https://machiningglass.com/materials/custom-borosilicate-glass-sheets-cut-to-size-precision-and-performance/). How parts like this are machined and finished is covered in [Precision Glass Cutting Quality Control for Custom Plates & Wafers](https://machiningglass.com/capabilities/precision-glass-cutting-quality-control-for-custom-plates-wafers/). For an application example, read [Quartz Glass Windows for High-Temperature Appliance Modules](https://machiningglass.com/applications/quartz-glass-windows-for-high-temperature-appliance-modules/). Before sending a drawing, check [Thermal Conductivity of Quartz Glass & Fused Quartz: A Process Guide](https://machiningglass.com/resources/thermal-conductivity-of-quartz-glass-fused-quartz-a-process-guide/). A related standard product is [Custom Perforated Quartz Plates](https://machiningglass.com/products/custom-perforated-quartz-plates/).

## FAQ

### What sizes and thicknesses are available?

The listing gives thickness Thick Sheet Glass. Custom outlines and thicknesses are made to drawing; state the tolerance you need.

### What optical or electrical performance does it have?

Listed values: transmittance 86-89%. Confirm the values at your operating wavelength, angle and temperature when you request a quote.

### Where is this building / safety glass used?

Listed applications: Furniture, Door, Building and Window.

### What should I include in a quote request?

Include glass type and thickness, temperature and pressure, strengthening and safety and outline and edges, plus quantity and a drawing if the part is custom.

## Request a quote

Send drawings, tolerances and quantity: https://machiningglass.com/contact/?rfq_product_id=13935#mg-rfq

---
Source: Custom Precision Glass Machining — https://machiningglass.com/
