| Physical Property | |||||||||
| No. | Physical performance | Numerical Value | Unit | ||||||
| 1 | Coefficient of mean linear thermal expansion(20°C,300°C) | 3.3±0.1 | 10-6K-1 | ||||||
| 2 | Transformation temperature | 525±15 | °C | ||||||
| 3 | Softening point | 820±10 | °C | ||||||
| 4 | Working point | 1260±20 | °C | ||||||
| 5 | Density at 20°C | 2.23±0.02 | g/cm3 | ||||||
| 6 | Mean thermal conductivity(20°C-100°C) | 1.2 | w/m2k | ||||||
| 7 | Refractive index | 0.92 | 1 | ||||||
| Main Composition | |||||||||
| SiO2 | B2O3 | Na2O+K2O | Al2O3 | ||||||
| 81 | 13 | 4 | 2 | ||||||
| Chemical Property | |||||||||
| Hydrolytic resistance at 98°C | ISO719-HGB 1 | ||||||||
| Hydrolytic resistance at 121°C | ISO720-HGA 1 | ||||||||
| Acid resistance Class | ISO1776-First Class | ||||||||
| Optical Property | |||||||||
| Refractive: | nd : 1.47384 | ||||||||
| Light transmission: | 92%thickness≤4mm,91%thickness≥5mm | ||||||||
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Processing & Advantage:
Packing and delivery:
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| 4.Finland Tamglass tempering furmance | |
| 5.CNC Water jet cutting maching computer controlled processing machine |
FAQ
Q1: How can I get the price and consult for product details?
A1: Send enquiry via Made-in-China, Email, Skype, Wechat or Call us directly.
Q2: How is your quality of products and quality guarantee policy?
A2: 100% full test before shipping and 100% compliance with the request of clients.
Q3: What is the payment method?
A3: T/T, Western Union, LC, Paypal.
Q5: What package do you use for the products?
A5: Safe and standard packing for export shipment (PE film cover, kraft paper/bubble bags parcel, and pack into carton or wooden box).
Q6: What is your main product? OEM/ODM ?
A6: Metal terminals, Thermal interface material, Glass/PMMA/PC products, Die cut service for industrial etc.
&OEM/ODM is available. For details, please kindly contact the sales persons.
Q7: What is your service?
A7: 24 hours online service is our promise.
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