Heavy-Duty Natural Rubber Sponge Sheet for Industrial and Mining Use – Durable & Customizable

Product Description

Product Description

High-Quality Natural Rubber Sponge Sheet - Flexible, Durable, Ideal for Seals and Insulation

Product Description

The Natural Rubber Sponge Sheet by Qingdao Grand Rubbers Co., Ltd is a sophisticated, versatile material crafted from premium-grade natural rubber. It showcases remarkable flexibility, superior durability, and an impressive resistance to wear and tear. The ingeniously designed sponge structure offers exceptional compression set resistance, making it a top-tier choice for sealing, gasketing, insulation, and cushioning applications. This product is the ideal solution for industries seeking eco-friendly, high-performance materials that exhibit extraordinary physical properties.

Key Features

Flexibility & Compression Resistance: The innovative sponge structure of this natural rubber sheet delivers outstanding flexibility, ensuring an effective seal and providing superior cushioning. Its resistance to compression guarantees consistent, long-term performance.

Durability: Boasting excellent resistance to wear, tear, and the effects of aging, this natural rubber sponge ensures an extended service life, even under the most challenging conditions.

Good Insulation Properties: This material offers exceptional thermal and sound insulation, making it a perfect fit for automotive, construction, and HVAC applications, where performance matters.

Water Resistance: Inherently water-resistant, this sponge sheet retains its superior properties even in moisture-rich environments, ensuring reliable performance.

Eco-friendly: Crafted from natural rubber, this sponge sheet is biodegradable, presenting an environmentally friendly alternative to synthetic rubber products, appealing to eco-conscious industries.

Non-toxic & Safe: This non-toxic material is safe for a diverse range of industrial and consumer applications, including sensitive sectors like the food and pharmaceutical industries.

Applications

Seals & Gaskets: Ideally suited for crafting seals and gaskets used in automotive, construction, and industrial machinery, ensuring reliability and efficiency.

Cushioning & Padding: Perfect for applications in packaging, automotive interiors, and protective packaging, thanks to its impeccable cushioning properties.

Sound Insulation: An excellent choice for soundproofing industrial and commercial environments, delivering effective noise reduction.

Thermal Insulation: Widely used in the HVAC sector for insulating pipes, ducts, and other essential equipment, optimizing energy efficiency.

Medical & Food Industry: Approved for safe use in medical devices and food-processing equipment due to its non-toxic characteristics, ensuring safety and compliance.

 

Product Parameters

Typical Physical Properties

Property	Test Standard	Value
Polymer Type		Natural Rubber
Hardness (Shore A)	ISO 868:2003	40 +/- 5
Tensile strength (Mpa)	ISO 37:2017	≥22
Elongation at break (%)	ISO 37:2017	≥700
Tear Resistance (N/mm)	ISO 34-1:2015	≥60
Abrasion Resistance at 5N (mm³)	ISO 4649:2017	≤60
Density (g/cm³)		1.05 +/- 0.05
Compression Set after 22h at 70ºC (%)	ISO 815-1:2014	≤30
Operating Temperature (ºC)		-40ºC to 80ºC

 

Aging Test

Property	Test Standard	Value
Hardness change after 168h at 70ºC (Shore A)	ASTM D573-04(10)	≤5
Tensile strength change after 168h at 70ºC (%)	ASTM D573-04(10)	≤-15
Elongation at break change change after 168h at 70ºC (%)	ASTM D573-04(10)	≤-25

Relevated Rubber Sheet Products
We proudly present a wide-ranging selection of premium industrial rubber sheets, ideally suited for a variety of applications, including essential food-grade options. Our diverse product line features top-quality SBR rubber sheets, versatile NBR rubber sheets, resilient CR rubber sheets, durable NR rubber sheets, and innovative anti-static rubber sheets, ensuring we meet our clients' every need.,Additionally, we offer ribbed rubber sheets, inserted sheets, and cloth impression rubber sheets, alongside many other custom solutions tailored to our customer's specifications.

Natural Rubber Sheet: Celebrated for its remarkable flexibility, this sheet excels in delivering superior comprehensive physical and mechanical performance, making it the perfect choice for varied applications.

SBR Rubber Sheet: Esteemed for its outstanding wear resistance and improved anti-aging properties over traditional NR sheets, this cost-effective solution is a must-have for industries seeking durability and value.

Neoprene Rubber Sheet: Demonstrates unparalleled resistance to a variety of environmental factors, including adverse climate conditions, ozone exposure, heat, and chemical interactions.

NBR Rubber Sheet: Known for its remarkable oil resistance, this sheet also boasts impressive wear resistance and state-of-the-art anti-aging features, making it an industry favorite.

SBR	Working Temperature	-30°C-80°C
	Tensile strength	2-8mpa
	Hardness	50-80 Duro
NBR		General Grade	High Grade
	Material Selection	SBR/NBR	Nitrile
	Working Temperature	-30°C-80°C	-30°C-110°C
	Tensile strength	3-8mpa
	Hardness	50-80 Duro
CR		General Grade	High Grade
	Material Selection	SBR/CR	Neoprene
	Working Temperature	-30°C-80°C	-30°C-110°C
	Tensile strength	3-8mpa
	Hardness	50-80 Duro
EPDM		General Grade	High Grade
	Material Selection	SBR/EPDM	EPDM
	Working Temperature	-30°C-80°C	-30°C-110°C
	Tensile strength	3-8mpa
	Hardness	50-80 Duro
Silicone	Working Temperature	-50°C-220°C
	Tensile strength	6-8mpa
	Hardness	60-70 Duro
Insulation	Polymer Content	100% SBR
	Working Temperature	-30°C-100°C
	Proof Voltage	15KV-50KV
	Color	Black, Grey
	Surface	Smooth/ fine rib
Antistatic /ESD	Material	NBR/SBR
	Working Temperature	-30°C-100°C
	Top Layer	107-109Ω
	Bottom Layer	103-105Ω
	Color	Green+black

Product process

Certifications

Company Profile

Packaging & Shipping

FAQ

Q1. Are you a manufacturer?
Yes, we have mainly produced rubber conveyor belts for over 18 years.

Q2. What is your main products?
Multi-ply fabric conveyor belt(EP/NN type), steel cord conveyor belt, chevron conveyor belt, sidewall belt, white conveyor belt, bucket elevator belt, filter belt, and special conveyor belts with the characteristics of heat resistant, cold resistant, oil resistant, flame retardant, abrasion resistant, etc.

Q3. What about the lead time?
1)3--5 days for sample.
2) 20--25 days for mass production. If urgent, we have the green channel.

Q4. Can you send free samples?
Yes, we provide samples for free after inquiry.

Q5. How about the package?
Standard export packing method, your special requirement will be respected.

Q6. What is your Payment terms?
T/T or L/C.

Q7. Can you do door-to-door?
No problem.

Q8. How do you ensure your product quality?
Our quality control system had been IS09001 certified. The first-class production equipment, testing facilities and a complete quality assurance system guarantee the high quality.

Q9. What is your major market?
Our products are heavily involved in exporting all over the world, including Europe, America, Middle East,Southeast Asia, South Africa, Australia, etc.

Q10. What you can do to support me better?
We can provide products that meet quality standards, timely delivery, transportation packaging requirements,and customer' s other special requirements.