Overview of PORON 4701-30 Polyurethane

PORON 4701-30 is a high-performance polyurethane material known for its excellent impact absorption and cushioning properties. It offers a unique combination of softness, resilience and durability that make it ideal for a wide range of cushioning and gasketing applications.

Some key properties and benefits of PORON 4701-30 include:

• Excellent impact absorption: Absorbs up to 90% of impact forces, helping prevent injury or damage. Ideal for protective equipment.
• Lightweight and flexible: Weighs only 0.031 lbs/in3 for minimal added weight. Easily forms to complex shapes.
• High tensile strength: Withstands up to 8000 psi for reliability and durability.
• Resilient cushioning: Retains its cushioning properties over millions of impacts. Excellent for long-term use.
• Soft feel and noise dampening: Improves comfort and reduces noise in products.
• Resistance to chemicals, moisture and weathering: Suitable for harsh environments.

Typical Applications of PORON 4701-30

PORON 4701-30 is commonly used:

• In protective gear like helmets, pads and guards
• For orthotics and prosthetics
• As durable gaskets and seals
• For noise and vibration damping
• In sporting goods and athletic footwear
• As comfort padding in medical devices
• In automotive and aerospace applications

Its unique set of properties make PORON 4701-30 suitable for challenging cushioning and impact absorption applications across many industries.

Frequently Asked Questions

Q: What thickness is recommended for impact absorption?

A: For optimal impact absorption, a minimum thickness of 1/4″ is recommended. Thicker materials like 1/2″ can absorb even greater impacts.

Q: Does PORON 4701-30 come in different firmness levels?

A: Yes, PORON polyurethanes are available in firmness levels ranging from extra soft to semi-rigid. 4701-30 is on the softer side.

Q: Is PORON 4701-30 breathable?

A: No, PORON polyurethanes are generally not breathable materials. For applications needing airflow, consider perforated sheets.

Q: What shapes and sizes is PORON available in?

A: PORON can be die cut into custom shapes. Standard sheet sizes are 20″ x 60″ and 48″ x 80″. Custom thicknesses available.

Q: Does PORON 4701-30 contain latex?

A: No, PORON polyurethanes are latex-free.