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Address: No.117 Fengshen Avenue, Xiuquan Street, Huadu District, Guangzhou,China
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Guangzhou Ruihe New Material Technology Co., Ltd |
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Easily Colored Non-Hazardous Pigments LSR 6250-40T® Liquid Silicone Rubber For Scuba Mask
Description
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.
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.
Applications
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.
Certificate
Rui-He LSR 6250-40T® Liquid silicone rubber obtained the following test certificate: RoHS, FDA, REACH, PAHS, ISO9001:2016, etc.
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.
Notice
This product cannot be contacted with compounds containing N, P, S to avoid affecting the catalytic effect of platinum.
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.
