70 Duro
Overview
Product sourcing insights & recommendations
'70 Duro' (Shore A) is the global benchmark for medium-firm elastomers, offering the "industry standard" balance between flexibility and mechanical strength GlobaloringDeltarubber. This hardness is comparable to the sole of a running shoe or a standard pencil eraser TheoringstoreSmooth-On.
Market Trends & Key Insights
* Dominant Market Segment: The global O-ring market, where 70 Duro Nitrile (NBR) accounts for 45% of demand, is projected to reach $32.5 billion by 2033 with a 4.3% CAGR Persistencemarketresearch.
* EV Transition: A major growth driver is the electric vehicle sector, requiring specialized 70 Duro self-lubricating rubbers for e-axles to reduce friction by 40% Persistencemarketresearch.
* Hydrogen Economy: There is an emerging trend for high-performance 70-90 Duro materials (like FFKM) to handle hydrogen permeation in fuel cell systems Persistencemarketresearch.
* Consumer Wearables: In footwear, 70 Shore A remains the benchmark for running shoe outsoles, providing the necessary durability and grip for athletic performance Persistencemarketresearch.
Sourcing Analysis
I have compiled comprehensive sourcing lists for 70 Duro products across three major categories:
- 1Industrial Sealing: High-volume O-rings in Nitrile, EPDM, and Viton, with units priced as low as $0.01 for bulk automotive use AlibabaAlibaba.
- 2Footwear Components: Custom running shoe outsoles with a standard hardness range of 60–90 Shore A Alibaba.
- 3Raw Materials: Industrial-grade NBR and Silicone rubber sheets available in rolls for gasket fabrication Alibaba.
70 Duro Shoe Outsoles Running Shoe Soles
Products · 3 lists
Latest Design Light EVA Injection Running Shoe Sole Outsole
Wenzhou Weimeng Shoe Material Co., Ltd.🇨🇳CN12 yrs
High Quality Antiskid Rubber Sole for Shoes Boots
Dongguan Yongqi Plastic Co., Ltd.🇨🇳CN18 yrs
High Quality EVA Anti-Slip Water Resistant Lightweight Sport Shoe Soles for Men Women Fashion Running Casual Hiking Outdoor Use
Quanzhou Kezhi International Supply Chain Co., Ltd.🇨🇳CN5 yrs
Factory Direct Sale EVA Material Men Sport Sole Men Fashion shoe soles White Running Walking Hiking Sport Shoes Insole
KEZHI GLOBAL LIMITED🇭🇰HK1 yr
Wholesale Lightweight Durable Anti-Slip Anti-wrinkle Design Running Shoes Out Sole 39-45#
Jinjiang City Hui Nuo Trading Co., Ltd.verified🇨🇳CN12 yrs
EVA Running Shoe Sole
Jinjiang Lang Zhi Teng Shoe Industry Co., Ltd.verified🇨🇳CN2 yrs
Free Sample Factory New EVA Material Sole Sports Running Casual Shoes Sole Outsole Wholesale
Jinjiang Jinling Shoes Co., Ltd.🇨🇳CN4 yrs
Mustang Wholesale Men's Hiking Shoe Soles High Quality Non-slip Rubber Outsole Causal Sports Running Sole for Mongolia Indonesia
Jinjiang City Huinuo Trading Co., Ltd.verified🇨🇳CN2 yrs
Durable MD Rubber Size Running Sport Shoes Sole Outsole Material
Foshan Guozu Shoes Material Co., Ltd.🇨🇳CN14 yrs
Bsci Factory Customized High Quality Running Shoe Sole Eva Rubber Sole Material Wholesale
Quanzhou Xiangchen Supply Chain Co., Ltd.verified🇨🇳CN5 yrs
Custom TPU Running Shoe Sole Anti-Slip EVA+TPR Air Cushion Outsole for Outdoor Sports OEM Factory
Jinjiang Wujiasan Shoe Material Co., Ltd.🇨🇳CN2 yrs
Man Made Rubber Shoe Soles Mountain Non-Marking Outsole Hiking Shoe Sole
Quanzhou Yingrun Machinery Industry And Trade Co., Ltd.🇨🇳CN17 yrs
Professional Lightweight Durable Anti-Slip High Elastic Flexible Air Cushion Running Shoe Outsole EVA TPR Sneaker Sole
Jinjiang Weili Shoe Plastic Co., Ltd.🇨🇳CN2 yrs
Comfortable Flexible Casual Running Shoe Sole Customized Design Lightweight Anti Slip Sneaker Outsole for Zapato Making
Fujian Zero To One Industrial Co., Ltd.🇨🇳CN9 yrs
High Abrasion Resistance & Cushioning Anti-Slip RB/EVA Running Shoe Outsoles Double Molded Durable Lightweight Bulk Wholesale
Jinjiang Great Day International Co., Ltd.🇨🇳CN1 yr
Wholesale Hot Sale Waterproof and Wear-Resistant Rubber Sports Running Shoe Soles Custom Colors Walking Shoes Sole
Wholesale Sports Non-slip TPR/EVA Rubber Outsoles Eco-Friendly Comfortable Men's Casual Running Shoe Sole Sneaker Outsole
Jinjiang Longheng Shoe Materials Co., Ltd.verified🇨🇳CN2 yrs
Men's Casual Running Shoe Outsole Sports Shoes Sneaker Soles
Wenzhou Forward Trade Co., Ltd.🇨🇳CN7 yrs
Women's Sport Soles, Size 37# Fashion Trend Daily Running Walking Shoe Sole Comfortable EVA+ TPR Sole outsole For Causal shoe
Xiamen Sporter Import & Export Co., Ltd.🇨🇳CN6 yrs
Molded EVA Shoe Sole OEM ODM Wholesale Custom Logo Men Running Outsole Wave Grip Anti Slip Comfort Casual Sports Shoes
2021 Eva Shoes Outer Sole Lightweight High-Quality Soles Sports Men Shoe Manufacture China Running Sport Outsole
New and Grest Design Running Eva Rubber Md Shoe Sole 2020 Eva Sole Tpu Tpu Rubber
Jinjiang Libo Shoes Material Co., Ltd.🇨🇳CN12 yrsNew and Grest Design Running Eva Rubber Md Shoe Sole 2020 Eva Sole Tpu Tpu Rubber
Related Searches
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Sources & References
21 sources cited · Verified industry data & reports
O-Ring Durometer - Why is Hardness Important?
O-Ring Store
Duro 20A = Rubber Band · Duro 40A = Pencil Eraser · Duro 60A = Car Tire Tread · Duro 70A* = Running Shoe Sole · Duro 80A = Leather Belt · Duro 100A = Shopping Cart ...
Durometer Shore Hardness Scale
Smooth-On, Inc.
A 70A rubber (as hard as a car tire) is stiff and would not offer enough flexibility to extract this model without breaking it.
What is Durometer?
Global O-Ring and Seal
What Is Durometer (Shore durometer)? · 60 Shore A is softer than 70 · 70 Shore A is the standard · 90 Shore A is very stiff.
What is Durometer? Understanding and Evaluating Plastic ...
SyBridge Technologies
A 70A durometer rubber is as hard as a car tire and doesn't offer the flexibility necessary to extract such a delicate part without breaking it. An elastomer ...
How the Hardness Scale Affects Performance
Manufacturer's Rubber & Supply
Shore A 70–90: Firm and durable, used in high-wear environments Higher numbers mean harder rubber, while lower numbers indicate softer, more ...
The Shore Thing: Choosing the Right Durometer for Your ...
Wyatt Seal
The shore hardness scale runs from 0 to 100, with lower numbers representing softer materials and higher numbers indicating harder materials.