Description:WFY professional is made by the asbestos rubber, does not have the asbestos board, the rubber or the graphite reinforcement plate and so on soft filling piece achievement contains filling, then the outsourcing teflon thin slice's combination filling piece, has the outstanding inoxidizability and the good compression snapping back rate,WFY professional rubber manufacture factories can offer you a widely range rubber products---460 Series, can satisfy various industrial demands. They are rubber sheet, O-rings, kits, FPC-O-ring, Oil seals, rubber rope, rubber strip, rubber foam, Pump & valve rubber, and various rubber parts etc.
Application; widely applies in each kind of strong acid, the strong alkali, the strong oxidant, the chlorine and does not permit the pollution medium the seal.And alse are mainly used in hot-water heating & sanitary and bathing condition , electron and electric appliances, hardware and machinery, hydraulic & pneumatic, vehicle & motorcycle, automotive, etc.
RAW MATERIALS SPECIFICATION.:
|
Materials
Characteristic |
NR |
NBR |
CR |
SBR |
EPDM |
MUQ |
VITON |
|
Hardness(Shore A) |
25~99 |
25~95 |
20~95 |
30~90 |
25~95 |
18~80 |
60~90 |
|
Weather resistance |
▲ |
× |
● |
▲ |
★ |
★ |
★ |
|
Ozone resistance |
× |
× |
● |
× |
★ |
★ |
★ |
|
Heat resistance |
× |
▲ |
● |
▲ |
★ |
★ |
★ |
|
Low-tempt. Resistance |
● |
▲ |
● |
▲ |
★ |
★ |
★ |
|
Acid resistance |
■ |
● |
● |
■ |
★ |
★ |
★ |
|
Alkali resistance |
■ |
● |
● |
▲ |
★ |
● |
★ |
|
Mineral oil resistance |
× |
● |
● |
× |
× |
× |
★ |
|
Vegetable oil resistance |
▲ |
★ |
● |
▲ |
● |
● |
★ |
|
Abrasion resistance |
★ |
★ |
● |
★ |
● |
× |
▲ |
|
Tear resistance |
★ |
● |
● |
▲ |
▲ |
▲ |
▲ |
|
Strength characteristic |
★ |
● |
● |
■ |
● |
× |
× |
|
Compression |
★ |
● |
● |
● |
● |
● |
● |
|
Impact resistance |
★ |
● |
● |
★ |
● |
▲ |
▲ |
|
Gas-seal characteristic |
▲ |
▲ |
● |
▲ |
▲ |
× |
× |
|
Flame resistance |
× |
▲ |
● |
× |
× |
▲ |
★ |
|
Electrical characteristic |
● |
× |
× |
▲ |
★ |
★ |
★ |
|
Color stability |
● |
■ |
× |
● |
★ |
★ |
● |
|
Tackiness |
★ |
● |
● |
▲ |
▲ |
● |
★ |
|
Process-ability |
★ |
● |
▲ |
● |
● |
★ |
● |
|
Water resistance |
★ |
● |
● |
● |
★ |
● |
★ |
★Excellent ●Good ■Suitable ▲Poor ×Unacceptable