Gold Star Powders

A A A

Shell Moulding Materials

Shell Moulding Materials

Goodwin Refractory Services aims to establish and maintain long-term relationships with our Precision Casting customers, helping them meet the demands and challenges in a growing industry.

We process and quality check, at our fully automated facilities in the United Kingdom, the highest quality materials in order to meet the most exacting and demanding challenges of the industry.

Key products of the GRS include refractories for addition to the binder, refractory stuccos for the building process of the shell, and high-technology shell repair materials.

Refractory Products

Mullite 55 is a high Alumina content refractory material for the back-up Slurry and Stucco.

Zirconium Silicate High purity sands are used for the specialist manufacture of Precision Casting grade materials for primary Slurries and Stuccos.

Fused Silica High purity Amorphous Silica is used to manufacture all grades suitable for both Slurry and Stucco applications.


REFRACTORY PRODUCTS
Primary SlurryTypical GradesMean SizeUses
Zirconium Silicate Flours200's90% <50 MicronsPrimary Slurry addition for Aerospace and commercial applications
Zirconium Silicate SandM17090% <180 MicronsPrimary Stucco for Aerospace and commercial applications
Mullite 55 Flour200's80% <45 MicronsBack-up Slurry addition for Aerospace and commercial applications
Mullite 55 Stuccos16-30's
30-80's
50-80's		1.0 to 0.5mm
0.5 to 0.18mm
0.3 to 0.18mm		Back-up Stucco addition for Aerospace and commercial applications
Fused Silica Flour200's90% <75 MicronsPrimary Slurry addition for Aerospace and commercial applications
Fused Silica Stuccos50/100
10/20		0.3 to 0.15mm
1.7 to 0.85mm		Back-up Stucco addition for Aerospace and commercial applications
Downloads
Download PDF file Shell Moulding
(0.34 MB)

Unable to open PDF documents? Please download Adobe Reader for free from Adobe's website.



Slurry coating shell mould
Stucco coating shell mould in rain chamber
Draining slurry

Repair Products

Rhoseal is designed for shell repair in Aerospace applications where high purity is a pre-requisite.

Silroc is for all commercial shell repair applications.

SHELL REPAIR PRODUCTS
Repair ProductIron ContentLead ContentBismuth ContentUses
RHOSEAL< 1500ppm< 50ppm< 1ppmHigh purity Aerospace
SILROC< 0 - 1.5%0.009%N.A.All forms of commercial casting