Natural Rubber Foam
Natural rubber foam is the material of choice when high resilience, excellent compression recovery, and vibration isolation are required in cushioning or sealing applications where synthetic alternatives over-engineer the solution. Its open-cell natural rubber chemistry provides superior elastic recovery and fatigue resistance across a wide density range, making it a reliable performer in anti-vibration mounts, seating interfaces, and industrial cushioning. H-O Products carries open-cell natural rubber foam across the 3100 and 4100 series in a range of densities and converts them to customer specification.
3110 Open Cell Natural Rubber
3110 is a soft, conformable open cell natural rubber foam with an average density of 22 lb/ft³ and a compression deflection of 2–5 psi at 25%, the lowest firmness in the open cell natural rubber range. It is rated for service from -20°F to 160°F and exhibits a compression set of 15% at 50% deflection at 158°F. The material is black, available in thicknesses from 1/16" to 1/4", and is characterized by anti-slip, high-friction surface properties and exceptional abrasion resistance.
Key Properties
- Compression Deflection @ 25%: 2–5 psi (ASTM D1056)
- Compression Set @ 50% Deflection @ 158°F: 15% (ASTM D1056)
- Density (Average): 22 lb/ft³ (ASTM D1056)
- Compression Deflection Change After Oven Aging 168 Hours @ 158°F: ±20% (ASTM D1056)
- Temperature Range: -20°F to 160°F
- Abrasion Resistance: Yes
3120 Open Cell Natural Rubber
3120 is a medium firmness open cell natural rubber foam with an average density of 26 lb/ft³ and a compression deflection of 5–10 psi at 25%. It is rated for service from -20°F to 160°F and exhibits a compression set of 15% at 50% deflection at 158°F. The material is black, available in thicknesses from 1/16" to 1/4", and features anti-slip, high-friction surface properties and exceptional abrasion resistance.
Key Properties
- Compression Deflection @ 25%: 5–10 psi (ASTM D1056)
- Compression Set @ 50% Deflection @ 158°F: 15% (ASTM D1056)
- Density (Average): 26 lb/ft³ (ASTM D1056)
- Compression Deflection Change After Oven Aging 168 Hours @ 158°F: ±20% (ASTM D1056)
- Temperature Range: -20°F to 160°F
3130 Open Cell Natural Rubber
3130 is a medium firm open cell natural rubber foam with an average density of 30 lb/ft³ and a compression deflection of 10–16 psi at 25%. It is rated for service from -20°F to 160°F and exhibits a compression set of 15% at 50% deflection at 158°F. The material is black, available in thicknesses from 1/16" to 1/4", and features anti-slip, high-friction surface properties and exceptional abrasion resistance.
Key Properties
- Compression Deflection @ 25%: 10–16 psi (ASTM D1056)
- Compression Set @ 50% Deflection @ 158°F: 15% (ASTM D1056)
- Density (Average): 30 lb/ft³ (ASTM D1056)
- Compression Deflection Change After Oven Aging 168 Hours @ 158°F: ±20% (ASTM D1056)
- Temperature Range: -20°F to 160°F
- Abrasion Resistance: Yes
3140 Open Cell Natural Rubber
3140 is a firm open cell natural rubber foam with an average density of 33 lb/ft³ and a compression deflection of 16–22 psi at 25%. It is rated for service from -20°F to 160°F and exhibits a compression set of 15% at 50% deflection at 158°F. The material is black, available in thicknesses from 1/16" to 1/4", and features anti-slip, high-friction surface properties and exceptional abrasion resistance.
Key Properties
- Compression Deflection @ 25%: 16–22 psi (ASTM D1056)
- Compression Set @ 50% Deflection @ 158°F: 15% (ASTM D1056)
- Density (Average): 33 lb/ft³ (ASTM D1056)
- Compression Deflection Change After Oven Aging 168 Hours @ 158°F: ±20% (ASTM D1056)
- Temperature Range: -20°F to 160°F
- Abrasion Resistance: Yes
3150 Open Cell Natural Rubber
3150 is an extra firm open cell natural rubber foam with an average density of 36 lb/ft³ and a compression deflection of 22 psi at 25% — the highest firmness in the open cell natural rubber range. It is rated for service from -20°F to 160°F and exhibits a compression set of 40% at 50% deflection at 158°F. The material is black, available in thicknesses from 1/16" to 1/4", and features anti-slip, high-friction surface properties and exceptional abrasion resistance.
Key Properties
- Compression Deflection @ 25%: 22 psi (ASTM D1056)
- Compression Set @ 50% Deflection @ 158°F: 40% (ASTM D1056)
- Density (Average): 36 lb/ft³ (ASTM D1056)
- Compression Deflection Change After Oven Aging 168 Hours @ 158°F: ±20% (ASTM D1056)
- Temperature Range: -20°F to 160°F
- Abrasion Resistance: Yes
4110 Open Cell Natural Rubber
4110 is a soft, conformable open cell natural rubber foam with an average density of 22 lb/ft³ and a compression deflection of 2–5 psi at 25% — the lowest firmness in the tan open cell natural rubber range. It is rated for service from -20°F to 160°F and exhibits a compression set of 15% at 50% deflection at 158°F. The material is tan, available in thicknesses from 1/16" to 1/4", and is characterized by anti-slip, high-friction surface properties and exceptional abrasion resistance.
Key Properties
- Compression Deflection @ 25%: 2–5 psi (ASTM D1056)
- Compression Set @ 50% Deflection @ 158°F: 15% (ASTM D1056)
- Density (Average): 22 lb/ft³ (ASTM D1056)
- Compression Deflection Change After Oven Aging 168 Hours @ 158°F: ±20% (ASTM D1056)
- Temperature Range: -20°F to 160°F
- Abrasion Resistance: Yes
4120 Open Cell Natural Rubber
4120 is a medium firmness open cell natural rubber foam with an average density of 26 lb/ft³ and a compression deflection of 5–10 psi at 25%. It is rated for service from -20°F to 160°F and exhibits a compression set of 15% at 50% deflection at 158°F. The material is tan, available in thicknesses from 1/16" to 1/4", and features anti-slip, high-friction surface properties and exceptional abrasion resistance.
Key Properties
- Compression Deflection @ 25%: 5–10 psi (ASTM D1056)
- Compression Set @ 50% Deflection @ 158°F: 15% (ASTM D1056)
- Density (Average): 26 lb/ft³ (ASTM D1056)
- Compression Deflection Change After Oven Aging 168 Hours @ 158°F: ±20% (ASTM D1056)
- Temperature Range: -20°F to 160°F
- Abrasion Resistance: Yes
4130 Open Cell Natural Rubber
4130 is a medium firm open cell natural rubber foam with an average density of 30 lb/ft³ and a compression deflection of 10–16 psi at 25%. It is rated for service from -20°F to 160°F and exhibits a compression set of 15% at 50% deflection at 158°F. The material is tan, available in thicknesses from 1/16" to 1/4", and features anti-slip, high-friction surface properties and exceptional abrasion resistance.
Key Properties
- Compression Deflection @ 25%: 10–16 psi (ASTM D1056)
- Compression Set @ 50% Deflection @ 158°F: 15% (ASTM D1056)
- Density (Average): 30 lb/ft³ (ASTM D1056)
- Compression Deflection Change After Oven Aging 168 Hours @ 158°F: ±20% (ASTM D1056)
- Temperature Range: -20°F to 160°F
- Abrasion Resistance: Yes
4140 Open Cell Natural Rubber
4140 is a firm open cell natural rubber foam with an average density of 33 lb/ft³ and a compression deflection of 16–22 psi at 25%. It is rated for service from -20°F to 160°F and exhibits a compression set of 15% at 50% deflection at 158°F. The material is tan, available in thicknesses from 1/16" to 1/4", and features anti-slip, high-friction surface properties and exceptional abrasion resistance.
Key Properties
- Compression Deflection @ 25%: 16–22 psi (ASTM D1056)
- Compression Set @ 50% Deflection @ 158°F: 15% (ASTM D1056)
- Density (Average): 33 lb/ft³ (ASTM D1056)
- Compression Deflection Change After Oven Aging 168 Hours @ 158°F: ±20% (ASTM D1056)
- Temperature Range: -20°F to 160°F
- Abrasion Resistance: Yes
4150 Open Cell Natural Rubber
4150 is an extra firm open cell natural rubber foam with an average density of 36 lb/ft³ and a compression deflection of 22 psi at 25% — the highest firmness in the tan open cell natural rubber range. It is rated for service from -20°F to 160°F and exhibits a compression set of 40% at 50% deflection at 158°F. The material is tan, available in thicknesses from 1/16" to 1/4", and features anti-slip, high-friction surface properties and exceptional abrasion resistance.
Key Properties
- Compression Deflection @ 25%: 22 psi (ASTM D1056)
- Compression Set @ 50% Deflection @ 158°F: 40% (ASTM D1056)
- Density (Average): 36 lb/ft³ (ASTM D1056)
- Compression Deflection Change After Oven Aging 168 Hours @ 158°F: ±20% (ASTM D1056)
- Temperature Range: -20°F to 160°F
- Abrasion Resistance: Yes
