Foundry Sands for metal Castings

Due to its high thermal-mechanical stability and its favourable grain shape and surface structure Crystal Quartz Sand from Schlingmeier is an outstanding silica for molds and cores for metal castings.

The following table shows selected grades which are preferably used in foundries. All dry sands (T) can be supplied as blended grades. Please let us know your favourite grain size distribution.

Crystal Quartz Sand	d - D mm	d₅₀ mm	AFS	Spec. surface (calculated) cm²/g	Sintering °C	Particle shape
G11T	0,1 - 0,4	0,22	61	107	>1.550	subangular
G12T	0,1 - 0,4	0,24	57	99	>1.600	subangular
G20T	0,1 - 0,5	0,26	54	92	>1.600	subangular
G23T	0,1 - 0,6	0,29	50	84	>1.600	subangular
G30T	0,1 - 0,7	0,37	41	68	>1.600	subangular
S30T	0,2 - 0,8	0,43	36	58	>1.600	subangular

d - D ≙ grain size distribution
d₅₀ ≙ median grain size
All dry sands (T) can be supplied as blended grades. Special grades available on request. Schlingmeier Quarzsand silica sands are processed natural raw materials. All data are approximate values and do not represent any warrant.

Please note:

It is the duty of our contractual partner to check the suitability of the product for his specific application. Otherwise, our General Terms and Conditions apply.