6250-40YH LSR Liquid Silicone Rubber For Silicone Seals / Stoppers And Valves

Product Details:
Place of Origin: Guangzhou,China
Brand Name: Rui-He liquid silicone rubber
Certification: FDA,MSDS,LFGB,RoHs,ISO9001-2016
Model Number: 6250-40YH
Payment & Shipping Terms:
Minimum Order Quantity: 20KG/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, MoneyGram
Supply Ability: 1000 tons per day
  • Detail Information
  • Product Description

Detail Information

Appearance: Good Transparency Biocompatibility: Excellent Biocompatibility
Mixing Ratio: 1: 1 Certificate: FAD.MSDS,RoHs,LFGB,etc.
Recovery: High Recovery After Puncture Stability: High Thermal Stability
Material: 100% Food Grade LSR Silicone Advantage: 15 Years Experience Factory
Hardness: 40 Shore A Color: Transparent
High Light:

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Product Description


Two Parts Liquid Silicone Rubber 6250-40YH For Variety Of Silicone Seals, Stoppers And Valves






Item Liquid Silicone Rubber make silicone seal, clips, Food Grade Skin Safe Liquid Silicone Rubber Suppliers
Raw material Silicone oil, polysiloxane(base polymer),(cross-linking agent),etc
Basic Color Micro blue transparent, translucent
Appearance Viscous Liquid, sticky liquid, two parts
Vulcanization condition Vulcanization: 150 °C / 5 min
Applications Kitchenware, nursing bottle, nipple, diving goggles,


LSR is platinum cured(vulcanized) materials which are mixed in a 1:1 ratio by weight.







Food grade no Impurity
Rapid vulcanization
High transparency
Neutral odor and taste
Excellent biocompatibility
High thermal stability
Good physical character, stable quality and easy to operate
Easy pigmentable with the LSR color pastes




Typical Properties


Properties Unit A B
Appearance / transparent transparent
Viscosity mPa.s 1400000-2000000
Density g/cm3 1.10±0.02
Shore A Hardness A/JLS 40±3
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℃) % ≦35

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


Typical properties of the vulcanisate:

The mixing ratio of components A: B = 1: 1.

Vulcanisation: 5 min. 150 °C + 4 hrs. 200 °C post cure




6250-40YH LSR Liquid Silicone Rubber For Silicone Seals / Stoppers And Valves 0





Because of the outstanding properties, RH6250-40YH Lquid silicone rubber is particularly suitable for the following elastomeric articles: 

kitchenware, nursing bottle, nipple, diving goggles, sealing elements, diaphragms, ear plugs, bellows, baby teats, respiratory devices, air vent flaps, tube connectors, catheters, parts for medical technical equipment,mat.etc.




6250-40YH LSR Liquid Silicone Rubber For Silicone Seals / Stoppers And Valves 1






Rui-He RH6250-40YH Liquid silicone rubber obtained the following test certificate: RoHS, FDA, MSDS, LFGB, ETC.



Packaging & Storage

  • RH6250-40YH Medical is available in 20kgs pails or 200kgs 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.



6250-40YH LSR Liquid Silicone Rubber For Silicone Seals / Stoppers And Valves 2



Why Choose Us?


1. 15 years of manufacturing experience focus on silicone rubber

2. All Products shipped is Up to FDA, Rosh, Reach, LFGB, testing standard

3. Around quality controlling procedure and perfect service to you

4. Offer to tailor the order accordance with customer's requirement in detail.

5. 800 tons solid silicone rubber, 300 tons LSR silicone rubber and 200 tons silicone oil every month

6. Special organic silicon R&D team and precision inspection instruments equipped

7. Automatic manufacturing equipment adopted, which ensure the products shipped quality well largely

6250-40YH LSR Liquid Silicone Rubber For Silicone Seals / Stoppers And Valves 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.


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