Investment Casting

Well-T’s colloidal silica delivers the purity, stability, and formulation flexibility required for reliable investment casting shell building across a wide range of slurry systems.

Built around real-world process challenges, our portfolio supports both standard and demanding applications, with specialized solutions for facecoats, high-purity casting, and faster shell production.

Key Advantages

Enhanced Purity Control

Low impurity levels minimize metal ion contamination, helping achieve cleaner casting surfaces and more consistent results.

Longer Slurry Stability

Advanced polymer coating technology improves slurry stability and extends operating life.

Stronger Shells, Easier Removal

Optimized formulations deliver higher wet strength while maintaining excellent shell breakdown after casting.

Faster Shell Building

Improved film formation accelerates interlayer drying and significantly shortens the overall shell-making cycle.

Featured Products

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Product	Features	Density (g/cm³)	Surface Area (m²/g)	Particle Size (nm)	SiO₂	Na₂O%	pH	Viscosity (mm²/s)
SMALL PARTICLE SERIES (1)
SKP-G30	Face Coat Specific	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4
SKP-G30	/	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4
SKP-G30	/	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4
SKP-G30	Sodium-Stabilized High Surface Area	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4
SKP-G30	/	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4
SKP-G30	Face Coat Specific	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4
SKP-G30	/	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4
SKP-G30	Face Coat Specific	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4
INVESTMENT CASTING SERIES (3)
SKP-G30	Face Coat Specific	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4
SKP-G30	Face Coat Specific	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4
SKP-G30	Face Coat Specific	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4
SKP-G30	Face Coat Specific	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4
SKP-G30	Face Coat Specific	1.2	10-16	250	30%	≤0.5	10.0-11.0	≤4

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30 years of experience. Tailored solutions for your colloidal silica challenges.