Kyler Yang··8 min read·Guides
Degas Silicone Without Vacuum: When Not To | RUUIPON
Thin craft pours may use a pressure pot and a brush coat. Food logos, thick skins, and production RTV still need vacuum — when we refuse to skip it.
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 19 of 42 · 10 per page
Title preview
- 181.Degas Silicone Without Vacuum: When Not To | RUUIPON
- 182.Cleaning Custom RTV Molds: Food vs Resin | RUUIPON
- 183.Silicone Mold Smell: New Platinum vs Tin | RUUIPON
- 184.RTV Tray Warpage and Curl, Oven or Fridge | RUUIPON
- 185.Clear RTV Mold Yellowing: UV vs Peroxide | RUUIPON
- 186.Oil Bleed on Aged RTV: Plasticizer vs Tin | RUUIPON
- 187.Overmolding Silicone on Metal: Primer vs Interlocks
- 188.Rib and Boss Design to Prevent Silicone Sink Marks
- 189.Corner Radii Guidelines for Silicone Mold Longevity
- 190.DFM Checklist Before Ordering Custom Silicone Molds
Kyler Yang··7 min read·Food & confectionery
Cleaning Custom RTV Molds: Food vs Resin | RUUIPON
Food RTV trays need a rinse, no oil, and a matte-dry face. Resin tools take a solvent wipe. Dishwasher film and grease shorten life; spec wash on the RFQ.
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Kyler Yang··7 min read·Material & demold
Silicone Mold Smell: New Platinum vs Tin | RUUIPON
New platinum RTV has a short shop odor a wash and rest usually clear. Tin leftover, food film, and solvent smell different. Don't bake a food tray to
Read article -
Kyler Yang··8 min read·Guides
RTV Tray Warpage and Curl, Oven or Fridge | RUUIPON
Baking trays curl from uneven heat and a floppy sheet. Fridge curl is cold set plus stacking. Confirm jacket, bake temp, and storage before recasting
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Kyler Yang··7 min read·Guides
Clear RTV Mold Yellowing: UV vs Peroxide | RUUIPON
Clear platinum RTV yellows from UV, heat, and some pours. Tin and peroxide HCR yellow differently. Confirm chemistry and storage before recasting
Read article -
Kyler Yang··7 min read·Material & demold
Oil Bleed on Aged RTV: Plasticizer vs Tin | RUUIPON
A greasy film on old RTV may be tin bleed, a filled cheap mix, or last week's oil. Confirm with a spare and a wipe test before you recast or add oil.
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Kyler Yang··11 min read·Guides
Overmolding Silicone on Metal: Primer vs Interlocks
For a custom RTV mold, lock metal cores, pins, and jacket hardware with holes or dovetails. Primer helps the face; it does not replace a peel-proof lock.
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Kyler Yang··10 min read·Design & DFM
Rib and Boss Design to Prevent Silicone Sink Marks
On an RTV mold, “sink” is usually air in a boss or a jacket that ballooned. Vacuum and a mother mold fix it; copying ABS rib ratios onto a 10A skin does
Read article -
Kyler Yang··9 min read·Guides
Corner Radii Guidelines for Silicone Mold Longevity
A sharp internal corner in an RTV cavity is a tear starter. Fillet the master; keep true knives only where a seal or logo is a named exception.
Read article -
Kyler Yang··10 min read·Buying & MOQ
DFM Checklist Before Ordering Custom Silicone Molds
Send the STEP, then the answers it cannot give: platinum or tin, Shore, split, jacket, and dump material. An RFQ without those is a guess with a glove
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