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| Categories | Butterfly Valve Seat |
|---|---|
| Brand Name: | Customized |
| Model Number: | 928015C5 |
| Certification: | KTW W270 EN681-1，ACS,NSF61/372;WRAS,EC1935;FDA,EC1935;REACH,ROHS |
| Place of Origin: | Suzhou, China |
| MOQ: | 100 pieces |
| Price: | Negotiation |
| Payment Terms: | T/T, L/C, D/A, D/P, Western Union |
| Supply Ability: | 50,000 pieces / month |
| Delivery Time: | 10-15 days |
| Packaging Details: | plywood case size 115*71*61cm |
| Color: | yellow, orange, brown, green, black... |
| Material: | Silicone, EPDM, NBR, FKM |
| Temperature: | -60℃~80℃ |
| Product Name: | elastic butterfly valve seat |
| Suitable media: | water, potable water, drinking water, wastewater... |
| Hardness: | 10~100 ° |
Customized Durable low Torque Silicone (SIL) Butterfly Valve Seat
Silicone rubber ( SILICONE )
1. Basic characteristics:
1.1 Excellent heat resistance and cold resistance, and can be used
with a small change in physical properties over a wide temperature
range of -60 to +250 °C.
1.2 Ozone resistance and weather resistance are good.
1.3 Excellent electrical performance, with a small variation in
frequency range over a wide temperature range.
1.4 Low mechanical properties, high temperature compression
deformation is improved than dimethyl silicone rubber.
2. Scope of application: Methyl vinyl silicone rubber has a great
improvement in vulcanization activity, heat resistance and high
temperature compression resistance. It is the most widely used type
of silicone rubber with the widest range of applications. In
addition to general-purpose rubber compounds, silicone rubbers with
special properties and processing properties are also processed on
the basis of them, such as high-strength, low-compression
deformation, electrical conductivity, late-flammability, thermal
conductivity and other silicone rubber. These silicone rubbers are
widely used in O-rings, oil seals, various pipes, sealants and
adhesives.
3. Certificates: KTW W270
EN681-1,ACS,NSF61/372;WRAS,EC1935;FDA,EC1935;REACH,ROHS
| Summary table of rubber properties (Suzhou Meilong) | |||||||||||||
| Rubber Name | Natural rubber | Butadiene rubber | Butadiene styrene rubber | Butyl rubber | Ethylene propylene rubber | Ethylene-vinyl acetate copolymer | Neoprene | Chlorosulfonated polyethylene | Buna-N rubber | Polyurethane rubber | Silicone Rubber | Fluororubber | |
| Short Name | NR | BR | SBR | IIR | EPM EPDM | EVA | CR | CSM | NBR | PU | SI | FPM | |
| Pure rubber performance | Proportion | 0.91~0.93 | 0.91~0.94 | 0.93~0.94 | 0.91~0.93 | 0.86~0.87 | 0.98~0.99 | 1.15~1.25 | 1.11~1.18 | 1.00~1.20 | 1.00~1.30 | 0.95~0.98 | 1.80~1.82 |
| Refractive index(ND) | 1.59 | 〜 | 5339~1.53 | .508~1.50 | 〜 | 〜 | 1.353~1.560 | 〜 | 1.521 | 〜 | 〜 | 〜 | |
| Solubility parameter(SP) | 7.9~8.1 | 8.4~8.6 | 8.4~8.6 | 7.7~8.06 | 7.9~8.0 | 〜 | 8.85 | 8.1~9.3 | 9.64 | 10 | 7.3 | 7.3 | |
| Mooney viscosity ML1+4,100℃ | 90~150 | 35~55 | 30~60 | 45~75 | 45~120 | 20~30 | 45~120 | 30~55 | 30~100 | 25~60 | 〜 | 65~180 | |
| Processability | A | A | A | C | B | A | A | B | A | C | B | C | |
| Vulcanized rubber mechanical properties | Hardness (Shore A) | 10~100 | 30~100 | 30~100 | 20~90 | 30~90 | 50~90 | 10~90 | 50~90 | 15~100 | 10~100 | 30~90 | 50~90 |
| Tear strength kg/cm2 | 30~300 | 20~200 | 50~200 | 50~150 | 50~200 | 70~200 | 50~250 | 70~200 | 50~250 | 200~450 | 40~100 | 70~200 | |
| Elongation % | 100~1000 | 100~800 | 100~800 | 100~800 | 100~800 | 100~600 | 100~1000 | 100~500 | 100~800 | 300~800 | 50~500 | 100~500 | |
| Elasticity | A | A | B | C | B | B | A | B | B | A | A | C | |
| Tear strength | A | B | C | B | C | B | B | B | B | A | C~D | B | |
| Compression set | A | B | B | C | B | B | A | B | A | A | A | B | |
| Wear resistance | A | A | A | B | B | B | A~B | A | A | A | C~D | A | |
| Flexural crack resistance | A | C | B | A | B | B | B | B | B | A | B~D | B | |
|
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