Product Overview
RTV Silicone Foam is a two-component addition-curing silicone rubber that foams chemically when the A and B liquid parts are combined. It cures into a soft, featherlight, and environmentally friendly foam with no thickness limitation and simple handling. HONG YE SILICONE, a global supplier of RTV-2 silicone rubber and liquid silicone, manufactures this Foamed Silicone with stable, repeatable quality for buyers in over 138 countries.
Technical Specifications
Material System: Two-part, platinum-cured addition silicone
Mix Ratio: 1:1 by weight
Expansion Ratio: 2× nominal; up to 7× maximum
Service Temperature: -65°C to +200°C continuous
Core Properties: Uniform cells, low shrinkage, high rebound, flame retardant
Certifications: ISO9001, UL, CE
Packaging: A 25/250/200 kg; B 20/25/200 kg per drum
Storage: Sealed, cool, dry; 12-month shelf life
Product Images and Videos
[Insert: A/B liquid components | Foaming expansion demonstration | Foam cell structure close-up | Finished seals, cushions, and robot filler]
[Insert video: Mixing → degassing → pouring → foaming → cured product testing]
Product Features and Advantages
High-Value Expansion — 2× standard and up to 7× maximum expansion means less silicone per part, directly improving cost efficiency.
Dependable Foam Quality — Even cell distribution, stable expansion, minimal shrinkage, and reliable rebound for uniform parts.
Soft and Ultra-Light — Premium elastic hand-feel with no migration or shrinkage during service.
Safe by Chemistry — Non-toxic, non-corrosive, non-radioactive, and inert; suitable for body silicone and skin-contact products.
Wide-Temperature Stability — Retains softness from -65°C to 200°C with strong heat, cold, electrical insulation, and flame resistance.
Process-Friendly — No thickness limits, simple 1:1 ratio, and compatibility with manual or automated dispensing.
How to Use — Step by Step
Stir each component separately before use to evenly redistribute settled materials.
Combine A and B at a 1:1 weight ratio and mix for 2–3 minutes until fully homogeneous.
Vacuum-degas the mixture and use it promptly to avoid premature thickening.
Pour or inject into the mold and allow foaming and curing at room temperature or with gentle heat.
Application Scenarios
Sealing Solutions: Gaskets, sealing pads, foam strips, foam boards, Silicone Foam tubes, and printer roller sponges. Automotive and Home: Headrests, gear shift covers, seat cushions, sofa and mattress padding.
Health and Wellness: Bra inserts, shoulder pads, maternity back supports, infant pillows, and senior fitness equipment.
Model and Filler: Core filling for silicone robots, lifecasting figures, and display models — complementing Mold Making Silicone and liquid silicone workflows. Buyer Benefits: Lower material costs, more consistent output, and durable sealing or cushioning performance that reinforces your product's reputation.
Certifications and Compliance
Manufactured in an ISO9001-certified facility with UL and CE certifications, this RTV silicone foam meets recognized international safety and environmental standards for easier global market access.
Customization Options
Adjustable hardness and expansion ratio, custom colors, tuned viscosity for automated lines, enhanced flame-retardant grades, and food-contact or medical-grade formulations available on request.
Production Process
Incoming material inspection → precise batching → vacuum mixing and degassing → laboratory testing (viscosity, expansion, hardness) → sealed packaging → final inspection before shipment. With 48 production lines and 23+ years of experience, we ensure supply stability.
FAQ
Q: How consistent is quality between batches?
A: We use precision batching and strict laboratory testing for viscosity, expansion, and hardness on every batch, ensuring consistent performance.
Q: Can the color be customized?
A: Yes. Standard pigmentation and custom color matching are available to meet your branding or application needs.
Q: Is a food-grade version available?
A: Yes. We offer specialized food-grade formulations. Please specify your compliance requirements when requesting a quotation.
Q: What packaging options are available?
A: Component A is packed in 25/250/200 kg drums and Component B in 20/25/200 kg drums, suitable for prototype and volume production.
Q: How is the product shipped?
A: Transported as non-hazardous goods in sealed containers. Store in a cool, dry place away from direct sunlight and high temperatures.
Shenzhen Hong Ye Jie Technology Co., Ltd
