The company can supply high borosilicate glass series, such as H-PZ33, H-PZ36 and H-PZ48, which the thermal expansion coefficient range is (3.3-4.8)×10-6（K-1）. This kind of glass has excellent heat resistance, chemical stability, mechanical property and permeability. The products include lamp cup, lamp cover, and gobs, strips & casting blocks for lamp lens. It is widely used in general and special lighting, projection, automotive, astronomy and other industries.
The supply forms include lamp cup, lamp cover, bar, strips and blocks.
Lamp cup, lamp cover: Ф(20-180)mm
Blocks: Max diameter 1200mm
It also can be customized according to customer requirements, please contact us.
Classification | Brand name | |||||
item | unit | H-PZ33 | H-PZ36 | H-PZ48 | ||
Linear thermal expansion coefficient | 10-6/K | 3.3 | 3.6 | 4.8 | ||
Density | （g/cm3） | 2.23 | 2.24 | 2.32 | ||
Maximum service temperature | ℃ | Long term 450℃, short term 500℃ | ||||
Water resistance | 1level | 1level | 1level | |||
Acid resistance | 1level | 1level | 1level | |||
Alkali resistance | 2level | 2level | 2level | |||
Environmental protection feature | Meet the requirements of RoHS | Meet the requirements of RoHS | Meet the requirements of RoHS | |||
