Two-Part Foamed Silicone for Seals & Cushions

Product Overview

Liquid Foam Silicone Rubber is a two-component addition-curing silicone that foams chemically once A and B are mixed. It cures into a soft, lightweight, eco-friendly foam with no thickness limits and easy handling. HONG YE SILICONE, a leading RTV-2 silicone rubber and liquid silicone manufacturer, delivers consistent quality to 138+ countries.

Technical Specifications

• Type: Two-part, platinum-cured addition silicone
• Mix Ratio: 1:1 by weight
• Expansion: 2× standard, up to 7×
• Temperature: -65°C to +200°C
• Key Traits: 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

Product Images and Videos

[Insert: A/B components | Foaming demo | Cured foam cross-section | Finished seals, insoles, robot filler] [Insert video: Mixing → degassing → foaming → cured part test]

Product Features

1. High Expansion — Up to 7× volume growth, cutting material cost per part.
2. Uniform Foam — Consistent cells, low shrinkage, reliable rebound.
3. Soft & Lightweight — No migration or shrinkage in service.
4. Safe & Inert — Non-toxic; suits body silicone and skin-contact goods.
5. Wide Temperature — Flexible from -65°C to 200°C.
6. Easy Processing — Simple 1:1 ratio, no thickness limits.

How to Use

1. Stir A and B separately.
2. Mix at 1:1 ratio for 2–3 minutes.
3. Degas under vacuum, use promptly.
4. Pour into mold; cure at room temperature or with gentle heat.

Applications

Seals and gaskets, automotive cushions, insoles and mattresses, bra pads and maternity supports, robot/lifecasting filler — complementing mold making silicone and electronic potting compound workflows.

Buyer Value: Lower cost, better consistency, longer product life.

Certifications

ISO9001-certified plant; UL and CE certified for smoother global market entry.

Customization

Adjustable hardness and expansion, custom colors, flame-retardant, food-grade and medical-grade options.

Production Process

Material inspection → precision batching → vacuum compounding → lab testing → sealed packaging → final inspection. 48 production lines, 23+ years of expertise.

FAQ

Q: Samples before ordering?
A: Yes, pre-production samples always provided; final inspection before shipment.
Q: Pot life?
A: 20–60 min at room temperature; degas and dispense promptly.
Q: Food-grade available?
A: Yes, on request with compliance specified.
Q: Any harmful contact?
A: Avoid sulfur, nitrogen, phosphorus, tin, lead, water, etc., which inhibit platinum curing.
Q: Thickness limits?
A: None — ideal for thin gaskets or thick cushions.