Customized LSR Liquid Silicone Rubber Injection Molding For Medical High Transparent Mask

Product Details:
Place of Origin: GuangZhou, China
Brand Name: Rui-He
Certification: RoHS, FDA, MSDS, SGS, REACH, PAHS, ISO9001
Model Number: RH625-0316-04
Payment & Shipping Terms:
Minimum Order Quantity: 200KG
Price: USD $+3-7/PER Kilograms
Packaging Details: 20kg pails OR 200Kg / drums
Delivery Time: 5-8days
Payment Terms: L/C, T/T, Western Union
Supply Ability: 1200 tons per month
  • Detail Information
  • Product Description

Detail Information

Features: Body Safe Physical Form: Liquid Silicone Rubber
R & D Center: 30 Persons Application: Industrial
Shelflife: Within 400 Days Feature: Safety And Environmental Protection
Design: Customized As Requested Package: 20kgs/200kgs
Delivery Time: 3-7 Days Hs Code: 31900000
High Light:

custom silicone rubber


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Product Description


LSR liqudi silicone rubber injection molding for medical & high transparent mask China factory


LSR is platinum-cured and natural transparent silicone which is more transparent than solid silicone. Liquid silicone rubber can mixed with pigmentation to produce colorful LSR molded products.



The silicone products we supply include liquid silicone rubber and room temperature vulcanizing silicones.


The products are transformed into silicone elastomers through the process of vulcanization.


Our silicone rubber products deliver excellent performance in the silicone engineering range of products



Product description


Silicone rubber molding is accomplished in five different ways:


1. cast molding,

2. injection molding,

3. compression molding,

4. transfer molding

5. dip molding


Physical Property
Physical properties Testing method Unit RH6250-20 RH6250-40



/ Transparent Transparent
Viscosity DIN53019 Pa.s



Hardness GB/T531.1 Shore A 20 40
Proportion GB/T533 g/cm3 1.05 1.10
Tensile Strength GB/T 528 Mpa 6.0 8.5
Elongation GB/T 528 % 700 550
Tear strength GB/T529 KN/m 20 25
Linear shrinkage CGB-T14235.4 % 0.1% 0.1%


Ruihe RH6250 SERIES Liquid Silicone Rubber (F-LSR) is specifically designed for liquid injection molding.


The product is supplied as a two component, soft fluorosilicone paste. It heat cures to a 60 durometer material.


The cured rubber product is resistant to a wide variety of solvents and chemicals over a wide temperature range


of -63 to +175°C (-82° to +347°F) under immersion conditions, and up to +225°C (+437°F) in dry heat.


liquid silicone rubber manufacture






These grades are particularly suitable for the economical production of large series of injectionmoulded articles.

Parts made from RUI-HE RH6250-50 can be used for technical and pharmaceutical applications.

These articles are also suitable for use in conjunction with foodstuffs.
silicone rubber factory china
Rui-he RH 6250 series Liquid Silicone Rubber is a two-component material supplied  as parts A and B,
which should be combined in a 1:1 ratio. Meter mix equipment which  pumps, meters, and mixes
the two components without the incorporation of air is strongly  recommended for production.
Pot Life
After the A and B components are mixed,  Liquid Silicone  Rubber will remain usable for at least 48 hours at room temperature.
Customized LSR Liquid Silicone Rubber Injection Molding For Medical High Transparent Mask 2
The 'Best use before end' date of each batch is shown on the product label.
Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable.
In this case however, the properties required for the intended use must be checked for quality assurance reasons.
Physical properties Testing method Unit RH6250-40A/B RH6250-50A/B RH6250-60A/B RH6250-70A/B RH6250-71A/B
Appearance Visual inspection / Transparent
Viscosity DIN53019 Pa.s 1200 1200 1500 2000 2500/
Hardness GB/T 531.1 Shore A 40 50 60 65 70



g/cm3 1.11 1.12 1.12 1.13 1.13



% 55 65 60 55 55
Tensile Strength GB/T 528-2009 Mpa 7.5 9 9.5 9.5 9
Elongation GB/T 528 % 550 550 500 400 350
Tear Strength GB/T 529 KN/m 25 30 35 30 25
Tensile Set GB/T 528 % 2.6 1.7 1.7 0.8 0.8
Linear shrinkage CGB-T14235.4 % 2.5 2.6 2.6 2.5 2.5



silicone rubber factory


Customized LSR Liquid Silicone Rubber Injection Molding For Medical High Transparent Mask 4
For more than 15 years, OEM designers and maintenance and materials engineers around the world have trusted
the Rui-he brand for performance and expertise to solve or prevent sealant challenges.
Rui-he has sales offices, manufacturing sites, and science and technology laboratories – and a network of more than 200.
To learn more about our extensive product and service offerings, order samples, visit
 email: or call  at(wechat//whatsapp) +86 136 6016 5505.


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