Hongye High-Rebound Water-Resistant Foamed Silicone

Product Abstract
Hong Ye silicone rubber's high-rebound water-resistant Foamed Silicone is a durable addition-curing Silicone Foam engineered for shock absorption, cushioning and waterproof sealing. As a closed-cell RTV Silicone Foam with low water absorption and excellent resilience, this Silicone Sponge absorbs impact energy and recovers its shape after repeated compression, keeping stable performance in humid, outdoor and underwater-adjacent environments. It is widely used for anti-vibration pads, packaging protective liners, sports protective inserts, waterproof sealing gaskets and medical rehabilitation cushions. Combined with precision Mold Silicone tooling, this aging-resistant Foaming Silicone Rubber delivers long-lasting protection for demanding industrial and consumer products.

Product Overview
This foamed silicone is specially developed for dynamic and moisture-exposed applications where ordinary sponge loses elasticity, absorbs water and fails under repeated compression. The closed-cell structure of Liquid Silicone Foam blocks water penetration and resists swelling, while the addition-cured network provides high rebound and low compression set for years of service. From soft body-contact cushions to firm anti-vibration pads, the foaming ratio and hardness of this Foam Silicone can be tuned by formulation, so each batch matches the exact cushioning and sealing requirements of the buyer. Compared with foam rubber and EVA that age, crack and deform under load, this RTV Silicone Foam remains elastic and dimensionally stable, making it the preferred Foaming Silicone Rubber for protective and sealing applications.

Core Product Features & Advantages

1. High rebound resilience: Addition Curing Silicone returns to its original shape after heavy or repeated compression without permanent set.
2. Closed-cell waterproofing: Dense cell walls of Silicone Sponge resist water absorption, moisture swelling and seepage.
3. Shock absorption: Elastic Foamed Silicone dissipates impact and vibration energy for fragile components and equipment.
4. Anti-aging durability: Weather-resistant Liquid Silicone Foam resists oxidation, UV and temperature change over long service.
5. Skin-friendly softness: Body-contact grade Foam Silicone offers comfortable, non-toxic cushioning for care and sports products.
6. Customized density: Foaming ratio and hardness of RTV Silicone Foam adjust from soft sponge to firm cushion for different parts.

Step-by-Step Usage Instructions

1. Component stirring: Stir the two parts of Liquid Silicone thoroughly to achieve consistent closed-cell foaming.
2. Ratio mixing: Mix at 1:1 for about 3 minutes to build a uniform Foaming Silicone network.
3. Vacuum de-airing: De-gas the mixed Foam Silicone to remove air and refine cell structure.
4. Curing in mold: Shape with Mold Silicone tooling and cure to obtain the final Silicone Sponge.

Application
Scenarios Anti-vibration and shock-absorbing pads for electronics and instruments, protective packaging liners for fragile goods, sports and rehabilitation protective inserts, waterproof sealing gaskets for outdoor equipment, moisture-proof cushioning for automotive components and comfort pads for medical and elderly care products. This high-stability Foamed Silicone provides reliable long-term cushioning and sealing for demanding environments.

Precautions
Keep the raw Foam Silicone away from cure-inhibiting substances such as nitrogen, sulfur, phosphorus, tin, lead, cadmium and mercury; avoid direct sunlight and high-temperature baking before and after curing.

Packaging & Storage
25 kg sealed drums, stored in a dry, cool place with lids closed to maintain foaming performance; shipped as non-hazardous cargo.

FAQ
Q1: How does this Silicone Sponge perform under repeated compression?
A1: Its addition-cured structure gives high rebound and low compression set, recovering shape after heavy and repeated use.

Q2: Can Foamed Silicone resist water and moisture?
A2: Yes, the closed-cell Liquid Silicone Foam has low water absorption and resists swelling, suitable for sealing and moisture-proof applications.

Q3: Can density and hardness be customized?
A3: Yes, the foaming ratio and hardness can be adjusted from soft sponge to firm cushion to match your specific application.