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STAR ZIRCONIA ST BLANKS

AGKEM’s Star Zirconia ST Blanks are a dental ceramic material with specified physical, chemical, and biological properties for dental restoration applications. According to the supplied test data, the material achieves a sintered density of 6.03 g/cm³, a reported mechanical-strength value of 1050 MPa, and 47–49% translucency.

Key Features

High Vickers Hardness – 1293 HV.
Chemical Solubility – 63 μg/cm².
CTE Compliance –10 ± 0.5
Radioactivity Compliance -b0.1 Bq·g⁻¹
Biological Testing

SIZE

ST 98*10mm 98*12mm 98*14mm 98*16mm 98*18mm 98*20mm

Categories: consumable Lab, Lab, lab apl consumables, Lab Consumables, zirconia blanks

Description
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Description

DETAILS:-

【Physical and chemical properties】
Model		ST
	Standards	Test results
Density (after sintering)	6.05±0.05 g/cm3	6.03g/cm3
Chemical solubility	＞900MPa	1050MPa
Chemical solubility	100μg/cm2	63μg/cm2
Vickers hardness	1200HV	1293HV
CTE	(10±0.5)	Complied
Radioactivity	0.1Bq•g-1	Complied
Translucency		47%-49%

【ST Biological properties】
Items	ISO10993 Standards	Test results
Items	Requirements	Test results
Cytotoxicity test	Cytotoxicity＜=1	No cytotoxicity
Sensitization test	Sensitization not allowed	No sensitization
Oral mucosa irritation test	lrritation not allowed	No Stimulation
Acute systemic toxicity test	Sensitization not allowed	No acute oral toxicity
Genotoxicity test	Avirulent	AMES test:negative

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Frequently Asked Questions

What are AGKEM Star Zirconia ST Blanks?

AGKEM Star Zirconia ST Blanks are dental ceramic materials designed for CAD/CAM milling and fabrication of zirconia restorations. They offer a combination of mechanical strength, translucency, and tested biological properties for compatible dental applications.

What is the Vickers hardness & Chemincal Solubility of Star Zirconia ST Blanks?

AGKEM Star Zirconia ST Blanks have a reported Vickers hardness of 1293 HV, compared with a reference value of 1200 HV. This demonstrates high surface hardness under the specified test conditions.
The reported chemical solubility is 63 μg/cm², compared with the listed reference value of 100 μg/cm². This indicates compliance with the chemical solubility criterion provided in the specifications.

Why is flexural strength important in dental zirconia blanks?

Flexural strength indicates how well a material resists bending stress before failure. The reported 1050 MPa flexural strength is an important property when evaluating zirconia for dental restorations subjected to mechanical forces.

What is the difference between ST and SHT Zirconia Blanks?

ST commonly refers to Super Translucent, while SHT commonly refers to Super High Translucent. However, the previously supplied ST and SHT test tables both report 47–49% translucency and 1050 MPa flexural strength, so a measurable performance difference cannot be established from those figures alone.

Who & why should consider purchasing AGKEM Star Zirconia ST Blanks?

These blanks are relevant to dental labs, CAD/CAM milling centers, dental technicians, and dental prosthesis manufacturers working with zirconia materials. Their reported strength, translucency, and biological test results provide useful information for evaluating material suitability.
AGKEM Star Zirconia ST Blanks combine 1050 MPa reported flexural strength, 47–49% translucency, 1293 HV hardness, and 6.03 g/cm³ sintered density. Their reported chemical and biological test results make them a material option for compatible dental CAD/CAM restoration workflows.