rubber-properties-comparison-chart

Rubber Properties Comparison Chart — 13 Materials × 22 Performance Properties, Five-Level Rating from A⁺ to D, One Chart for Cross-Application Material Selection

Rubber Properties Comparison Chart — 13 Materials × 22 Performance Properties, Five-Level Rating from A⁺ to D, One Chart for Cross-Application Material Selection

rubber-properties-comparison-chart

Relying on Intuition for Material Selection Means Paying for Future Failures

The wrong material choice makes even the most expensive seal a wasted investment. NIYOK has evaluated 13 mainstream rubber materials across 22 key performance properties — covering mechanical strength, environmental resistance, and media compatibility — using a five-level rating system from A⁺ to D. Engineers can see the real differences between materials in a single table without consulting multiple spec sheets, selecting the right material before quoting instead of guessing.


See the Real Differences Across 13 Rubber Materials in One Chart — No More Guesswork in Material Selection

Material selection seems straightforward — the pitfalls are usually in the details.
Both FPM and EPDM are categorized as "oil-resistant" materials, yet FPM achieves the highest A⁺ rating for oil and gasoline resistance while EPDM scores only D. If EPDM is mistakenly used in an application involving fuel contact, seal degradation is only a matter of time. This kind of gap cannot be identified through vendor recommendations or a single spec sheet alone — only transparent cross-material comparison makes it visible early.
NIYOK's Rubber Properties Comparison Chart consolidates data for 13 mainstream materials — H-NBR, SBR, X-NBR, EPDM, CR, NBR, PU, MFQ, ACM, ECO, AEM, MVQ, and FPM — rated across 22 performance properties on a five-level scale from A⁺ to D, covering:
Mechanical Strength: tensile strength, elongation, elasticity, tear strength, abrasion resistance, impact strength
Environmental Resistance: oxidation resistance, ozone resistance, weatherability, UV resistance, heat resistance, low-temperature resistance, gas permeability
Media Compatibility: oil and gasoline resistance, animal and vegetable oil resistance, alcohol resistance, alkali resistance, acid resistance, aliphatic hydrocarbon resistance, aromatic hydrocarbon resistance, oxidizing solvent resistance, water resistance
This allows engineers to make intuitive comparisons within a single table — without relying on any single vendor's claims — so material selection is evidence-based.
Yet material selection is only the starting point. Compound verification, life testing, process conditions, and tolerance compatibility — any one of these can cause an otherwise sound material choice to fall apart before mass production. NIYOK's dedicated R&D and quality assurance teams work alongside customers through every stage — from compound adjustment and mold design through sample validation and production quality control — helping to shorten development cycles and reduce the cost of trial and error.
The right direction for material selection, backed by a team that delivers — this is the most critical difference between NIYOK and suppliers who simply provide a catalog.

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NIYOK rubber-properties-comparison-chart Introduction

Based in Taiwan, NIYOK SEALING PARTS CO., LTD. is a seal and rubber products supplier and manufacturer in the Seal Industry.

NIYOK is a leading seal and oil seal manufacturing expert, with a professional design and manufacturing team to provide high-quality oil seal products for all industrial and automotive applications. From oil seals, O-rings, to gaskets, and customized products, application industries include manufacturing, chemical processing, defense, water treatment and filtration, hydraulics, fluid power, heavy trucks, automobiles, aerospace, oil and gas, medical and For life sciences, food and beverages, a complete product line is available for customer needs and specifications.

NIYOK has been offering customers high-quality Oil Seal, Seal, Rubber Parts, Gasket, O-Ring since 1983, both with advanced technology and 40 years of experience, NIYOK ensures each customer's demands are met.