Best quality pyrex high borosilicate coloured clear hard glass tubing
Product Description
Best quality pyrex high borosilicate coloured clear hard glass tubing
Physical and Chemical Properties
1, Coefficient of mean linear themal expansion(20°C/300°C) | 3.3±0.1(10–6K–1) |
| 2, Softening point | 820±10°C |
| 3, Melting point | 1260±20°C |
| 4, Transformation temperature | 525±15°C |
| 5, Hydrolytic resistance at 98°C | ISO719-HGB1 |
| 6, Hydrolytic resistance at 121°C | ISO720-HGA1 |
| 7, Acid resistance class | ISO1776-1 |
| 8, Alkali resistance class | ISO695-A2 |
Main composition
| SiO2 | B2O3 | Al2O3 | Na2O+K2O |
| 80±0.5% | 13±0.2% | 2.4±0.2% | 4.3±0.2% |
Detailed pecifications as below:
| Regular specification | Regular size:25*4.0mm,28*4.0mm,32*4.0mm,38*4.0mm,44*4.0mm, 51*4.8mm, 51*7.0mm,51*9mm Regular length:1220-1500mm We can customize unconventional specifications according your demand : outside diameter: 5-300mm,wall thickness :0.8-10mm. Max length for small tubing(diameter<18MM)2350mm,Max length for big tubing (diameter>18mm):3000mm. |
| Regular packing | Usually packing is carton with wooden pallet; Carton Size: 1270*270*200mm; Around 20kg~30kgs per carton; A 20'ft container can hold about 320cartons/ 16 pallets, around 7~10tons; A 40'ft container can hold about 700cartons/34pallets. |
| Colors available | Clear, Jade white, Opaque black, Amber, Transparent black, Dark blue, Light blue, Green, Teal, red, Dark amber,Yellow, Pink,Purple,Clear ...Totally 22 kinds of colors. |
Business Terms:
1,MOQ: 20kgs per item.
2,Price Term: FOB TIANJIN.
3,Payment Term: TT. 50% for deposit, 50% of balance against all copies of shipping documents.
4, Delivery Time: within 15days after deposit.
5, Package: cartons with wooden pallets.
6. Sample: Samples are available, sample can be ready within 7 days. Customer should pay for sample.
7. Type of Shipment: by sea, by air or by courier.
8. Shape: Regarding to customers' requirements
1.Q:Are you factory or trading company ?
A:We are a factory, not a trading company.
2.Q:Where is your factory and trading office located ?How can I visit there ?
A:Our factory is located in Huailai county,Hebei Province,China,about 2hours from Beijing Capital International Airport.
3.Q:What is the main products of your company?
A:We mainly produce:borosilicate galss tubing ,borosilicate gass rod ,and borosilicate glassware.
4.Q:How can I get some samples?
A:We are honored to offer you samples ,length about 20cm is free .Customers should pay for the shipping freight.
5.Q:How does your factory do regarding quality control ?
A:Quality first is our motto ,Workers always attach great importance to quality controlling from the very beginning to the very end .
Product Categories : Borosilicate Glass Tube > Borosilicate Glass Tube
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