28mm*90mm Glass Test Tube

• Customization: Available
• Disposable: Non-Disposable
• Certification: ISO
• Model NO.: 28mm*90mm
• Material: Glass
• Capacity: 10-16ml
• Type: Ordinary Test Tube
• Raw Material: Boro Glass 3.3
• Transport Package: Cartons
• Specification: customized
• Trademark: SNAIL GLASS
• Origin: China
• HS Code: 70179000
• Production Capacity: 50000000PCS/Year

Product Description

Material: Borosilicate glass COE 3.3
 

Physical Data
No.	Physical Performance	Numberical Value	Unit
1	Coefficient of Mean Linear Thermal Expansion(20ºC-300ºC)	3.3±0.1	10-6/K
2	Transformation Temperature	525±15	ºC
3	Softening Point	820±10	ºC
4	Working Point	1260±20	ºC
5	Density at 20ºC	2.23±0.02	g/cm3
6	Mean Thermal Conductivity (20ºC-100ºC)	1.2	w/m2k
7	Refractive Index	0.92

Chemical Data
Hydrolytic Resistance at 98ºC	ISO719-HGB 1
Hydrolytic Resistance at 121ºC	ISO720-HGA 1
Acid Resistance Class	ISO1776-First Class
Chemical Composition
SiO2	81%
B2O3	13%
Na2O+K2O	4%
Al2O3	2%

Type: Round bottom or flat bottom
         With rim or without rim
         Screw mouth or flat mouth
         Printing or not
         With cork or plastic capPackage: shrink wrapped inner box, then out cartons.

Features: High purity, good chemical performance, resistant to heat.
 

Basic Size
Size	O.D(mm)	Length(mm)	Qty/Ctn
10*75	10	75	2000
10*100	10	100	2000
12*75	12	75	2000
12*100	12	100	2000
13*100	13	100	2000
13*130	13	130	2000
15*100	15	100	1000
15*150	15	150	1000
16*125	16	125	1000
16*150	16	150	1000
18*150	18	150	600
18*180	18	180	600
21*150	21	150	400
21*180	21	180	400
21*200	21	200	400
25*150	25	150	300
25*180	25	180	200
25*200	25	200	200
30*200	30	200	200
41*225	41	225	200