Superior Chemical LSR Liquid Silicone Rubber Oil Resistance LSR 6250-71T®

Product Details:
Place of Origin: GuangZhou, China
Brand Name: RUI - HE
Certification: RoHS, FDA, MSDS, SGS, REACH, PAHS, ISO9001:2016, etc.
Model Number: 6250-71T
Payment & Shipping Terms:
Minimum Order Quantity: 20KG or 200KG
Price: Negotiation
Packaging Details: 20 kg pails or 200 kg drums
Delivery Time: 5 - 15days
Payment Terms: Western Union, L/C, T/T, Paypal
Supply Ability: 1000 tons per day
  • Detail Information
  • Product Description

Detail Information

Sample: Available Port: Guangzhou / Shenzhen
Shelf Life: 12 Months Application: Right Angle Silk Screen
Color: Translucent Or Any Color Transportation: By Air Or By Ship
High Light:

custom silicone rubber


rtv silicone mould making rubber

Product Description


Superior Chemical And Oil Resistance LSR 6250-71T® Liquid Silicone Rubber For Scuba Mask





RUI-HE 6250-71T® is a kind of two-component liquid silicone rubber for injection molding processes, consisted of part A and part B. It can be used to produce electronics keys supplies with the high rebound and good resistance to yellow. All LSR are platinum cured (vulcanized) materials which are mixed in a 1: 1 ratio by weight.


Characteristics of medical grade liquid silicone rubber for mask making life casting
*An exceptional fluidity and good operability
*Good tensile strength and tear strength
*Food grade silicone rubber
* High-temperature resistance
*Good flexibility
*No smell, non-toxic
*Long shelf-time &lifetime
*Lower shrinkage



Typical Properties


LSR 6250-71T®
  Unit Part - A Part - B
Appearance / translucent translucent
Shore A Hardness A 67 ± 3
Tensile Strength MPa ≥ 50
Elongation % ≥ 250
Tear Strength KN/m ≥ 25
Linear Shrinkage % ≤ 0.1
Rebound % ≥ 55

These figures are for reference only, please contact us for details.

Superior Chemical LSR Liquid Silicone Rubber Oil Resistance LSR 6250-71T® 0


Operation instruction

Part A and B are packed in 20kgs pails or 200kgs drums respectively. When operated, part A and B can be injected directly to the heated mold from the original containers by mean of metering and mixing unit. At the mold temperature of 90-150℃, silicone rubber cures within minutes according to the size.


The pot life is 3-7days after mixing under 23℃. Clean pipe and machine when machine stoped for a long time.

Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarantee total customer satisfaction.

We have passed a lot of certifications. Such as FDA, RoHS, MSDS, ISO and so on. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us.


We are looking forward to forming successful business relationships with new clients around the world in the near future.





Because of the outstanding properties, 6250-71T® liquid silicone rubber is particularly suitable for keys supplies, such as a computer keyboard.


Superior Chemical LSR Liquid Silicone Rubber Oil Resistance LSR 6250-71T® 1



Rui-He LSR 6250-71T® Liquid silicone rubber obtained the following test certificate: RoHS, FDA, REACH, PAHS, ISO9001:2016, etc.



Packaging Method & Delivery date


Packaging Details This kind of rubber is packed in 20kg/plastic barrels or 200KG/iron drum with an inside plastic bag.
Lead Time

1 – 1000 (Kilograms)
1001 – 10000 (Kilograms)

7 days
15 days




This product cannot be contacted with compounds containing N, P, S to avoid affecting the catalytic effect of platinum.





Superior Chemical LSR Liquid Silicone Rubber Oil Resistance LSR 6250-71T® 2

If you need to know the prices of our silicone rubbers, please contact us. We do not provide prices on the website because prices fluctuate for many reasons.

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