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RTV-2 Silicone for Cosplay Mold Making

For Helmets, Masks, Armor, Props & Resin Casting

Topsil Silicone supplies RTV-2 liquid silicone rubber for cosplay mold making, prop duplication and resin casting.
Our silicone is suitable for making flexible molds for cosplay helmets, masks, armor parts, horns, fantasy props, resin accessories and 3D printed masters.
  • Shore A 10–40 customizable
  • Pourable and brush-on grades available
  • Bulk supply and private label support
Send Us Your Prop Photo
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Why Cosplay Props Need the Right Silicone

Mold Tears Around Undercuts

Choose softer, higher-tear silicone for horns, claws and complex shapes.

Silicone Sags on Vertical Surfaces

Use brush-on silicone or thixotropic adjustment for helmets and masks.

Difficult Demolding

Avoid silicone that is too hard for detailed resin props.

Mold Deforms on Large Parts

Use medium-hardness silicone and a support shell for helmets and armor.

How to Choose Silicone for Cosplay Mold Making

التطبيقRecommended SiliconeSuggested Hardness
Small resin accessories, gems, badgesPourable siliconeShore A 10–20
Masks, horns, claws, detailed propsHigh-tear flexible siliconeShore A 15–25
Helmets and large curved propsBrush-on or high-tear siliconeالشاطئ أ 20-30
Armor panels and shieldsMedium-hardness siliconeShore A 25–30
3D printed mastersLow-viscosity or brush-on siliconeShore A 15–30
Bulk prop mold makingEconomic tin-cure siliconeالشاطئ أ 20-30
Not sure which grade fits your prop? Send us the prop photo, master material and casting material.
Send Us Your Prop Photo

Recommended Silicone Solutions

1. Pourable Silicone for Small Props

For small resin props and block molds
Resin Casting
Best for resin gems, badges, small accessories and detailed 3D printed masters.
Ask for this grade

2. Brush-On Silicone for Helmets, Masks & Armor

For helmets, masks and large props
Brush-on Technique
Suitable for large curved surfaces. Thixotropic adjustment available to reduce sagging.
Ask for this grade

3. High-Tear Silicone for Complex Shapes

For horns, claws and deep undercuts
قوة تمزق عالية
High-tear silicone helps reduce mold damage during demolding and supports repeated casting.
Ask for this grade

Tin-Cure or Platinum-Cure?

Topsil provides both tin-cure and platinum-cure RTV-2 silicone.
For platinum-cure silicone, a small cure test is recommended when using 3D printed masters, coated surfaces or unknown materials.
الصفيح المعالج للقصدير لصناعة القوالب العامة

السيليكون المعالج بالقصدير

Tin-cure silicone is more economical and suitable for general cosplay prop mold making, resin casting and bulk workshop use.
Explore Tin-cure silicone
سيليكون شفاف-بلاتينيوم-معالج-بلاتينيوم-سيليكون

سيليكون معالج بالبلاتين

Platinum-cure silicone offers lower shrinkage and better stability, and is suitable for premium molds or higher-quality prop production.
Explore Platinum-cure silicone

For Workshops, Distributors & Private Label Brands

This page is suitable for:
  • Cosplay prop studios
  • Resin casting workshops
  • SFX and prop making companies
  • Art material distributors
  • Mold making silicone resellers
  • Private label silicone brands
If you need a stable factory source for mold making silicone, Topsil can provide bulk supply, custom packaging and product data support.
Topsilsilicone Package

لماذا تختار Topsil Silicone؟

15+ Years  Manufacturing

Factory direct supply from China.

Custom Hardness

Shore A 10–40 available for different mold types.

Adjustable Working Time

Suitable for small resin molds or large brush-on molds.

Pourable & Brush-On

For block molds, glove molds and large props.

Sample Before Bulk Order

Test the grade before production.

Private Label Support

For distributors and material brands.
Contact for Sample & Grade Recommendation

Get the Right Silicone Grade in 24 Hours

Send us only 3 details:
1. Prop type: helmet / mask / armor / resin accessory
2. Casting material: epoxy resin / PU resin / PU foam / plaster
3. Quantity: sample / bulk / private label
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الأسئلة الشائعة

What hardness is suitable for cosplay mold making?

Shore A 15–30 is suitable for most cosplay molds. The final choice depends on mold size, undercuts and required flexibility.

Can RTV-2 silicone be used for resin casting props?

Yes. RTV-2 silicone can be used for epoxy resin, PU resin and decorative casting molds.

Do helmet molds need brush-on silicone?

For large helmet molds, brush-on silicone is usually more practical than a full block mold. A support shell is normally needed.

Can you supply silicone for distributors?

Yes. Topsil supports bulk supply, custom packaging and private label service for mold making silicone distributors.

Can I get a sample before bulk order?

Yes. Samples can be provided for testing after we confirm your application and required silicone grade.
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