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Para Rubber

Para Rubber - Pure Gum Rubber - Commercial Grade - 40A

Natural, Non-Marking Sheet Rubber With Superior Flexibility
Product Description and Specifications
Description: Pure gum is a tan colored full floating natural rubber. It resists most organic salts, ammonia, acids, and alkalis. It is a non-marking sheet rubber.
Compound: Natural Rubber
Color: Tan
Weight: Approximate weight per square foot: 1/8" weighs 3/4 lbs.
Durometer: 40 Shore A, +/- 5
Temperature Range: -20 F to 170 F
Minimum Tensile: 2850 PSI or 19.5 MPA
Finish: Smooth
Minimum Elongation: 800%
Gauges: 1/16", 1/8", 3/16", 1/4", 3/8", 1/2", 3/4", 1" (custom gauges up to 1” thick are available upon request)
Widths: 36" and 48" (custom widths and gauges are available upon request)
Roll Length: 25' or 50' (depending on thickness).
Chemical Resistance: Resists most organic salts, ammonia, acids, and alkalis. For Pure Gum's compatibility with your specific medium please consult a Fullchance representative.
Applications: Drum Pads, Squeegee Applications, Non-Marking, Some Medical Applications, Professional Window Cleaning.
Flexibility: This soft durometer (35-45) sheet rubber offers excellent pliability and elasticity.
Custom Cuts In addition to hand fabrication, this product can be fabricated using laser, die, and water-jet cut. Please submit your drawings for a price quote.
Availability: Popular gauges and widths are stocked.


Pure gum rubber is a natural rubber product free of synthetic compounds. Natural gum rubber is a non-marking product that will not leave any stains or marks wherever it is used. It is a soft and flexible rubber material that exhibits excellent elasticity while under stress. It is a highly preferred choice for any application that needs a rubber material with high rebound and flexibility characteristics. We offer custom fabrication for pure gum sheets with a variety of thickness, width, and length options. Keep in mind that this non-marking rubber comes with a natural color variation that goes from brown to light tan. If color consistency is of the utmost importance, this rubber should not be considered.

Soft and Elastic: Pure gum rubber is valued for being a softer, more elastic type of rubber. It has a low durometer rating of 35-45, meaning that while it is not a very hard material, it is very elastic. This high elasticity gives it a level of adaptability for various seal and gasket applications that is hard to beat. This flexible rubber material can be stretched further than other elastomers. It is the prime reason why natural gum rubber is used as squeegee blades, industrial skirting, and drum practice pads.

Non-Marking Rubber: A very useful characteristic of pure gum rubber is that it is non-marking. No matter what type of color variation it comes in, brown to light tan, a natural rubber product will not leave any stains or marks on the places where they are used. This feature is especially useful in applications like window cleaning.

Eco-Friendly: Unlike most other sheet rubber products, natural gum rubber is eco-friendly. This is because the material is naturally occurring and extracted from the latex of rubber trees. It does not contain any other blend of synthetic elastomers and the production of these sheets leaves behind almost zero waste. Eco-friendly sheet rubber is great for consumers because not only are they great for the environment, they are also far more affordable than their synthetic rubber counterparts.

More Benefits:

  • Has a very high tensile strength
  • Can resist most organic salts, ammonia, acids, and alkalis
  • Able to operate in temperatures between -20° F and 170° F
  • Pure gum rubber can be used for some medical applications
  • Not recommended for use with strong caustic oils and chemicals
  • Ideal for industrial applications that need good “bounce-back” characteristics from rubber parts

Technical Specification:


Technical Data Sheet

High Specification Rubber Sheets

Para Rubber White Rubber Red Rubber
Gray Rubber Skirtboard Rubber Bridge Bearing Sheet

Standard Grade Rubber Sheets

Natural rubber sheet SBR rubber sheet Neoprene rubber sheet
Nitrile rubber sheet EPDM rubber sheet FKM rubber sheet

Premium Specification Protective Films Series

We also supply a range of premium specification protective films, Please follow the links below for our most common types.

Silicone coated PET protective film series Clear PE protective film
Acrylic coated PET protective film series Car TPU protection film
PU coated PET protective film series Thin flexible glass


Any questions, please feel free to contact us at email sales@cndeerhunter.com or +86-13823789007

Preview:White Rubber
Add:NO. 4 Huasheng Road, Yingtai Industrial Zone, Dalang Street, Longhua District, Shenzhen, Guangdong, China   P.O.:518109
Mobile:+86-13823789007    Email:sales@cndeerhunter.com