High Temperature Quartz Silica Crucible for Metal Gold Silver Melting Jewery Casting Tools Capacity 1kg 2kg 3kg 4kg

Specification:

Capacity of gold : 0.5kg  1kg  2kg when order please choose

Feature:

1.Principal component:SiO2 Content is not less than 99.0%.

2.Impurity(K2O,Na2O,Fe2O3)Content is not more than 0.10%,high strength.

3.Cold crushing strength ≥70MPa,High thermal shock resistance.

4.It can resist 1800 degree.

5.Mainly used for platinum gold silver brass melting.

Package Including:

1 x Quartz Silica Crucible