Product Description

Hong Ye Silicone HY‑F666 is a professional‑grade two‑component platinum‑cured liquid foamed silicone specifically formulated for industrial sealing, cushioning and gap‑filling applications. With adjustable foaming ratio ranging from 2‑7 times, this lightweight foam material delivers uniform cell structure and outstanding resilience that meets the demands of automotive, electronics and general industrial systems.

Key Performance Characteristics

• Controllable foaming performance: Achieves 2‑7 times volume expansion after heating curing, adjustable density to satisfy diverse sealing and buffering requirements.

• Fine uniform cell structure: Consistent inner foam pores bring stable cushioning effect and reliable sealing performance.

• Eco‑friendly safe formula: Non‑toxic, odorless, compliant with international environmental standards for long‑term industrial use.

• Low shrinkage & great weather resistance: Minimal linear shrinkage, maintains stable physical properties under repeated compression and extreme temperature environment.

Application Details

Industrial manufacturers use this liquid foamed silicone to produce sealing gaskets, sealing strips, shock‑absorbing buffer pads, foam filling layers, automotive interior soft parts and equipment insulation components that require lightweight, soft and durable foam silicone materials.

Technical Specifications

Foaming Ratio: 2‑7 times (adjustable)

Mixing Ratio: 1:1 by weight Curing Method: Heat‑assisted chemical foaming & vulcanization

Pot Life: 25‑35 minutes at 25°C Cure Time: 20‑40 minutes under heating condition

Color: Translucent / Custom color available

Linear Shrinkage: ≤0.5% Tensile Strength: ≥2.5 MPa Elongation at Break: ≥350%

Temperature Resistance: -65°C to 200°C Shelf Life: 12 months in original sealed packaging

Packaging and Ordering

Available packaging: 5kg cans, 25kg drums, 200kg drums. Minimum order quantity starts at 5kg. Custom packaging and private labeling available for bulk orders.

About Hong Ye Silicone

Shenzhen Hong Ye Jie Technology Co., Ltd. has been manufacturing silicone products since 1998. Our 10,000 square meter factory in Shenzhen operates 20 automated production lines with monthly capacity of 220 tons. We export to 138 countries and regions worldwide, holding ISO 9001, FDA, UL, CE, RoHS, and REACH certifications.