Kyler Yang··8 min read·Guides
How to Store RTV Silicone Molds Long-Term | RUUIPON
Store RTV tools dark, dry, unstacked, away from ozone and sulfur. Keys print into faces. Split food and craft totes; archive the master, not a crushed
Read article -Silicone Mold & Manufacturing Guides
Explore practical silicone mold guides from RUUIPON, covering design, release, materials and production planning. Start with the problem you need to solve, then open the relevant product page when you are ready to discuss a quotation. CAD, drawings, samples and measured reference photos can all help define the project.
Start With These Core Guides
- Custom Silicone Mold Design Guide
A broad DFM guide covering release, undercuts, splits, detail, multi-cavity layout, material selection and prototype validation.
- How to Prepare a Custom Silicone Mold RFQ
The information that helps a supplier identify the correct mold structure, process, quantity and documentation requirements.
- RTV Silicone Mold vs Steel Tooling
Understand when a flexible casting mold, compression tool or LSR tool fits the product.
- Food-Grade Silicone Molds: FDA vs LFGB
Understand what food-contact documentation means and what to request for the destination market.
Mold Design & DFM
Use this cluster for one-piece vs two-part molds, undercuts and split molds, registration keys, wall thickness and support, edge radius, logo/text detail, tolerance and shrinkage, and DFM review.
One-piece vs two-part · Undercuts and split molds · DFM review
Food & Confectionery
Use this cluster for gummy mold design, gummy size and cavity volume, chocolate molds, baking, ice and food-contact documents.
Materials & Manufacturing Process
Use this cluster for platinum vs tin cure, vacuum degassing, cure time, RTV vs HCR/HTV vs LSR, and overmolding.
Buying, Cost & Production
Use this cluster for RFQ preparation, low MOQ, lead time, custom vs off-the-shelf, factory sourcing, prototype to production, and ownership/reorder.
RFQ guide · Low MOQ · Custom vs off-the-shelf · Manufacturer
Troubleshooting & Care
Use this cluster for common defects, tearing, resin bubbles, storage/warping, lifespan and cleaning.
Common defects · Resin bubbles · Storage and warping · Mold lifespan
Choose Your Next Step
- Designing a casting mold? Start with the custom silicone mold design guide.
- Developing a finished silicone product? Review the manufacturing capabilities.
- Ready to request a quote? Send your design, application, dimensions and quantity.
Selected Practical Guides
Browse by topic
Latest articles · 412 guides · page 11 of 42 · 10 per page
Title preview
- 101.How to Store RTV Silicone Molds Long-Term | RUUIPON
- 102.Why Your RTV Silicone Mold Turned Cloudy | RUUIPON
- 103.3D-Print Masters for Food-Safe Chocolate RTV | RUUIPON
- 104.Chocolate Shell vs Bar: RTV Mold Geometry | RUUIPON
- 105.Custom Silicone Resin Molds: Undercuts & RTV | RUUIPON
- 106.Custom Plaster & Concrete Silicone Molds | RUUIPON
- 107.Why We Would Not Make DIY Molds From Caulk | RUUIPON
- 108.One-Part vs Two-Part RTV Mold Structures | RUUIPON
- 109.Registration Keys vs Pins on RTV Split Molds | RUUIPON
- 110.When an RTV Mold Needs a Mother-Mold Jacket | RUUIPON
Kyler Yang··8 min read·Guides
Why Your RTV Silicone Mold Turned Cloudy | RUUIPON
Cloud on RTV is solvent swell, detergent film, or micro-frost — not UV yellow or oil bleed. Confirm with a spare and a cut edge before recast.
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Kyler Yang··9 min read·Food & confectionery
3D-Print Masters for Food-Safe Chocolate RTV | RUUIPON
An SLA master is not a food-safe chocolate mold. Photopolymer can leach; the platinum RTV path is the article you document. Wash, UV, seal, then pour the
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Kyler Yang··8 min read·Food & confectionery
Chocolate Shell vs Bar: RTV Mold Geometry | RUUIPON
Shell RTV tools need a pull path or core; bar trays live on flex and contraction. Lock wall mm, demold vector, and jacket before copying one mascot to
Read article -
Kyler Yang··7 min read·Resin & craft
Custom Silicone Resin Molds: Undercuts & RTV | RUUIPON
Custom resin RTV molds are platinum or named-tin tools with a peel path: glove, split, plug, or core. Jacket wet dumps. Keep food cabinets separate.
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Kyler Yang··7 min read·Guides
Custom Plaster & Concrete Silicone Molds | RUUIPON
Plaster and concrete RTV tools fail by abrasion and sag, not by "the silicone expired." Spec Shore, a mother mold, and recast from a living master.
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Kyler Yang··7 min read·Guides
Why We Would Not Make DIY Molds From Caulk | RUUIPON
Acetoxy caulk and hardware-store "silicone" are not platinum RTV tools. We would not use them for food-contact or production dumps. RFQ a real RTV tool.
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Kyler Yang··10 min read·Guides
One-Part vs Two-Part RTV Mold Structures | RUUIPON
Open-back tray or keyed two-part split? Walk the Mold Structure Decision before you pour platinum RTV. Jacket, flash land, MOQ 20, $50 CAD when it applies.
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Kyler Yang··8 min read·Guides
Registration Keys vs Pins on RTV Split Molds | RUUIPON
Keys find two-piece RTV halves; steel pins belong in press tools. Wrong keys print flash on the show face. Shop geometry, MOQ 20, $50 CAD when it applies.
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Kyler Yang··7 min read·Guides
When an RTV Mold Needs a Mother-Mold Jacket | RUUIPON
Soft platinum skins sag 0.5–1.5 mm on a wet dump without a mother mold. Jacket vs thick block, plaster vs printed shell. MOQ 20, $50 CAD when it applies.
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