Easily Colored LSR Liquid Silicone Rubber Non Hazardous Pigments LSR 6250-40T®

Product Details:
Place of Origin: GuangZhou, China
Brand Name: RUI - HE
Certification: RoHS, FDA, MSDS, SGS, REACH, PAHS, ISO9001:2016, etc.
Model Number: LSR 6250-40T
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 Feature: Non-hazardous Pigments
High Light:

custom silicone rubber


high temp silicone mold rubber

Product Description


Easily Colored Non-Hazardous Pigments LSR 6250-40T® Liquid Silicone Rubber For Scuba Mask





RUI-HE 6250-40T® 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 a high rebound and good resistance to yellow. All LSR are platinum cured (vulcanized) materials which are mixed in a 1: 1 ratio by weight.



Liquid Silicone Rubber Feature:

1. Fast-forming speed

2. Good Processability

3. Super-stable Physical Performance

4. Low deformation rate after compression

5. Good resilience

6. Injection molding

7. Non-hazardous pigments

8. It complies with the related specification of ROHS, has passed the detection of FDA and LFGB.



Typical Properties


LSR 6250-40T
Appearance translucent
Viscosity(mPa.s) 1400000-2000000
Density (g/cm3) 1.11±0.02
Shore A Hardness(A) 40 ± 2
Tensile Strength(MPa) ≥ 7.5
Elongation at break(%) ≥ 550
Tear Strength(KN / m) ≥ 20
Linear Shrinkage(%) ≤ 0.1
Tensile set (%) ≥1.7
Rebound (%) ≥55
Compression set((22 hrs at 175℃) % ≦30

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


Easily Colored LSR Liquid Silicone Rubber Non Hazardous Pigments LSR 6250-40T® 0

Operation instruction

Part A and B are packed in 20kgs pails or 200kgs drums respectively. When operating, 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.
FDA food-grade silicone rubber for Dental professional skills training model, Braces mold, Hospital professional braces
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.



Easily Colored LSR Liquid Silicone Rubber Non Hazardous Pigments LSR 6250-40T® 1





Because of the outstanding properties, LSR 6250-40T® liquid silicone rubber is particularly suitable for scuba mask, diving products.


Liquid silicone rubbers are pumpable two-part compounds that are delivered ready to use.

They are vulcanized by addition curing.

Component A contains catalyst and component B functional polysiloxane as a curing agent.

Compared to peroxide curing, liquid silicone rubbers do not release any curing by-products.




Rui-He  LSR 6250-40T® Liquid silicone rubber obtained the following test certificate: RoHS, FDA, REACH, PAHS, ISO9001:2016, etc.

Easily Colored LSR Liquid Silicone Rubber Non Hazardous Pigments LSR 6250-40T® 2


Packaging & Storage


Available in 20kg pails or 200kg drums.

Store in a cool, dry place out of direct sunlight, use it within 12 months from the day of manufacture.





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



Easily Colored LSR Liquid Silicone Rubber Non Hazardous Pigments LSR 6250-40T® 3




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.

Get in touch with us

Enter Your Message

You Might Be Into These