Professional Global Rubber Parts Supporting Supplier.
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| Place of Origin: | Suzhou, China |
| Brand Name: | Customized |
| Certification: | KTW W270 EN681-1，ACS,NSF61/372;WRAS,EC1935;FDA,EC1935;REACH,ROHS |
| Model Number: | 928015C5 |
| Minimum Order Quantity: | 100 pieces |
|---|---|
| Price: | Negotiation |
| Packaging Details: | plywood case size 115*71*61cm |
| Delivery Time: | 10-15 days |
| Payment Terms: | T/T, L/C, D/A, D/P, Western Union |
| Supply Ability: | 50,000 pieces / month |
| Color: | Yellow, Orange, Brown, Green, Black... | Material: | Silicone, EPDM, NBR, FKM |
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| Temperature: | -60℃~80℃ | Product Name: | Elastic Butterfly Valve Seat |
| Suitable Media: | Water, Potable Water, Drinking Water, Wastewater... | Hardness: | 10~100 ° |
| Highlight: | butterfly valve rubber seat,ductile iron valve seats,customized butterfly valve seat |
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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 | |
Contact Person: Mrs. Lucy Shi
Tel: +86 15850129036
Fax: 86-512-66833086
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