In China Liquid Silicone Rubber Materials, LSR for Molding best quality suppliers & Manufacture
5 years future of silicone rubber materials in China
The Asia-Pacific is the fastest growing region of the liquid silicone rubber market. India and China are the leading countries in this region, wherein, China is the largest market and India the fastest growing market.
High-growth in the electrical & electronics and medical applications, and rapid growth in the demand for medical grade LSRs are the key factors driving the global LSR market.
Product description
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.
Application
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.
Processing
Mixing
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.
Storage
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 |
| Density | GB/T 533 | g/cm3 | 1.11 | 1.12 | 1.12 | 1.13 | 1.13 |
| Resilience | GB/T 1681 | % | 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 |
CONTACT US
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 lsrliquidsiliconerubber.com
email: chenp8008@@gmail.com or call at(wechat//whatsapp) +86 136 6016 5505.
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