Understanding Rubber Hardness: Durometer Shore A

Ever wondered what makes one rubber soft and another tough as nails?

The answer lies in Shore A Hardness – a scale used to measure the firmness of rubber materials.

 Here’s a simple comparison:

• 30 Shore A – As soft as a rubber band
• 40 Shore A – Like a pencil eraser
• 50 Shore A – Similar to tire tread
• 80 Shore A – As firm as a shopping cart wheel

Choosing the right hardness is key for performance, durability, and comfort in your application.

 At Chang Rubber we offer a full range of rubber sheets and gaskets tailored to your hardness requirements – from soft cushioning pads to high-impact industrial seals.



 Contact us to learn more or request a free consultation!