70 Durometer Industrial Grade Solid Neoprene
70 Durometer Industrial Grade Solid Neoprene is a 70 Shore A solid neoprene elastomer with a smooth finish, supplied powder free, designed for adhesive applications, isolation pads, window setting blocks, and shock and vibration damping. It delivers 1,000 psi min. tensile strength and 200% min. ultimate elongation with a compression set of 80% max. (22 hours @ 212°F). The material is rated for service from -20°F to 190°F and is available in the broadest thickness range in the series, from 1/16″ to 1″. Meets ASTM D2000: 1BC710. Available – cloth-inserted (CI) construction for enhanced dimensional stability.
Key Properties
- Durometer / Hardness (Shore A): 70 — ASTM D2240
- Tensile Strength: 1,000 psi min. — ASTM D412
- Ultimate Elongation: 200% min. — ASTM D412
- Compression Set, 22 Hours @ 212°F: 80% max. — ASTM D395B
- Specific Gravity: 1.32 gr/cc — —
- Temperature Range: -20°F to 190°F
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- Specifications
- Applications
- General Info
- FAQs
Physical Properties
| Property | Value | Test Method |
| Polymer | NBR / SBR / CR | — |
| Color | Black | — |
| Finish | Smooth | — |
| Specific Gravity | 1.32 gr/cc | — |
| Thickness | 1/16″, 3/32″, 1/8″, 3/16″, 1/4″, 3/8″, 1/2″, 5/8″, 3/4″, 1″ | — |
Mechanical Properties
| Property | Value | Test Method |
| Durometer / Hardness (Shore A) | 70 | ASTM D2240 |
| Tensile Strength | 1,000 psi min. | ASTM D412 |
| Ultimate Elongation | 200% min. | ASTM D412 |
| Compression Set, 22 Hours @ 212°F | 80% max. | ASTM D395B |
Thermal Properties
| Property | Value | Test Method |
| Temperature Range | -20°F to 190°F | — |
Chemical Resistance
| Property | Value | Test Method |
| Abrasion Resistance | Good | — |
| Ozone Resistance | Limited | — |
| Weather Resistance | Limited | — |
Aging Performance — Heat Aging (70 Hours @ 212°F)
| Property | Value | Test Method |
| Durometer / Hardness Change | ±15 points max. | ASTM D573 |
| Tensile Strength Change | ±30% max. | ASTM D573 |
| Elongation Change | -50% max. | ASTM D573 |
Aging Performance — Oil Aging (70 Hours @ 212°F)
| Property | Value | Test Method |
| Volume Change | 120% max. | ASTM D471 |
Regulatory / Compliance Data
| Property | Value | Test Method |
| ASTM D2000: 1BC710 | Yes | — |
Compliance
- ASTM D2000: 1BC710 — Compliant
- Window setting blocks and heavy-duty glazing isolation pads requiring a firm, load-resistant neoprene
- Protective pads and isolation mounting components for glass carts and glass rack bases in high-load configurations
- Shock absorption and vibration damping in industrial equipment requiring firm dimensional stability
- Thick isolation and spacing pads (up to 1″) in construction and industrial assembly applications
- Disparate metals isolation and insulation where firm material and heavy gauge are required
Common industries: Glazing / architectural glass, construction, industrial equipment, glass handling, general manufacturing.
70 Durometer Industrial Grade Solid Neoprene is a commercial smooth-finish solid rubber sheeting based on an NBR/SBR/CR polymer blend, supplied powder free. At 70 Shore A, it provides a firm profile suited for window setting blocks, isolation mounting pads, protective pads, adhesive applications, and vibration and shock damping in glass handling, glazing, and general industrial applications where greater resistance to deformation under load is required.
It is available in the widest range of standard thicknesses in the industrial neoprene series — from 1/16″ through 1″ — making it appropriate for heavy-duty isolation and load-bearing pad applications. Material is within Commercial Sheet Rubber Tolerances.
Good resistance to flame, abrasion, and flex cracking supports use in demanding industrial environments. Natural aging resistance to alkalis and acids is noted. The grade exhibits limited resistance to ozone and weather. Heat aging performance at 212°F for 70 hours is characterized by hardness change of ±15 points max., tensile strength change of ±30% max., and elongation change of -50% max. Oil aging volume change is 120% max. after 70 hours @ 212°F per ASTM D471.
Compliant with ASTM D2000: 1BC710.
What differentiates 70 Durometer Industrial Grade Solid Neoprene from softer grades in this series?
70 Durometer Industrial Grade Solid Neoprene provides a firm 70 Shore A profile and is the only grade in the series available in thicknesses up to 1", spanning 1/16" through 1" in ten standard gauges. This combination of firmness and extended thickness range makes it the appropriate selection for heavy-duty isolation blocks, load-bearing pads, and applications where both stiffness and substantial material section are required.
Why is compression set an important consideration for solid neoprene elastomers?
Compression set measures how well an elastomer recovers its original thickness after sustained compression. In isolation pads and setting blocks, high compression set means the material permanently flattens over time, losing its ability to absorb vibration and provide consistent load distribution. 70 Durometer Industrial Grade Solid Neoprene is rated at 80% max. compression set (22 hours @ 212°F per ASTM D395B), which is appropriate for industrial elastomer applications operating within the stated temperature range.
What is the temperature range for 70 Durometer Industrial Grade Solid Neoprene?
70 Durometer Industrial Grade Solid Neoprene is rated for service from -20°F to 190°F, as listed on the TDS.
Is 70 Durometer Industrial Grade Solid Neoprene suitable for specification-controlled environments?
Yes. This material meets ASTM D2000: 1BC710, as stated on the TDS. Note that ozone and weather resistance are listed as limited, which should be evaluated for prolonged outdoor or UV-exposed applications.
How should 70 Durometer Industrial Grade Solid Neoprene be specified?
Specify grade (70 Durometer Industrial Grade Solid Neoprene), thickness, compliance requirements (ASTM D2000: 1BC710), dimensional tolerances, and finished format.
