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Thermally Conductive Potting Compound

Stop the Whitening: Solving Common Surface Defects in Culture Stone Molds

2026-08-21

There is nothing more frustrating for a production line supervisor than pulling a batch of beautiful artificial stones from a mold, only to find mysterious white sediment, powdery residue, or oily patches smeared across the surface.

Surface defects ruin aesthetics, require tedious cleaning, and force costly product rejections.

Why Do Mold Surfaces Degrade and Bleed?

In inferior, low-priced silicone compounds, unbonded low-molecular-weight silicone oils and cheap fillers are used to stretch volume.

The 5th-Poured Breakdown: Verified testing shows that water-like residue and white sediment inevitably appear after the 5th or 6th pouring with cheap silicones.
Chemical Reactions: Impurities in cheap silicone react poorly with alkaline cement and gypsum mixtures, corroding the mold surface and leaving a chalky, powdery film on your final wall tiles.

The Platinum-Cure Solution: Zero Residue

Switching to a high-purity, platinum-curing system changes everything:

Pristine Execution: After hundreds of cycles of testing, high-quality platinum silicone leaves no whitening, white haze, or powdery residue in the mold.
First-Pour Perfection: You achieve a flawless, high-definition finish from the very first use, entirely eliminating the need for constant mold washing, chemical treatments, or premature scrap cycles.

Ensure flawless tile aesthetics from day one with premium, residue-free RTV-2 liquid silicone.

Silicone Potting Compound

Epoxy Potting Compound

Platinum Cure Silicone Rubber

Electronic Silicone Gel

Liquid Hot Melt Adhesive

Thermally Conductive Potting Compound

Clear Liquid Silicone

Tin Cure Silicone Rubber

Squishy Silicone Gel

Food Safe Liquid Silicone

Polyurethane Potting Compound

Thermal Grease Paste

Karstedt Catalyst

Silicone Pigment

Degumming Agent

Stop the Whitening: Solving Common Surface Defects in Culture Stone Molds