Wholesale Professional Manufacture lab 3.3 borosilicate pyrex colored clear glass tubing
Product Description
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 : Hot Sale
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