High Quality Phenyl Silicone Rubber with Good Resistance to Radiation and High &Low

• Raw Material: Organic Silicone
• Material: Silicone Rubber
• Appearance: Transperant
• Form: The Massive Raw Rubber
• toepassing: Vehicle Seal Ring, Oil Seal, Diaphragm, Conduit
• certificering: iso, fda, reach, rohs
• Model NR.: SR3250UDP
• kleur: Translusant
• karakteristiek: Smooth Surface, No Impurity, Radiation-Resistance
• bedrijfstemperatuur: -100 to -250 Centigrade Degree
• Transportpakket: Carboard Boxes
• Specificatie: 50*35*15
• Handelsmerk: SANESIL
• Oorsprong: China
• Gs-Code: 39100000

Beschrijving

Customized products :

 

Description: SR32XX UDP series are phenyl silicone rubbers with good resistance to radiation and low & high 
temperature.

Special properties:
          Resistance to crepharding.
         Good mechanical properties.
         Excellent resistance to low temperature and radiation.
         Wide operating temperature -100ºC~250ºC.
         Easily processed and easily pigmented

Main applications:
        All kinds of vehicle seal ring, oil seal, diaphragm, conduit, valve lining, etc.
        All kinds of high temperature, low temperature, chemical erosion resistance pump, valve, oil tank and other equipment sealing products.
Astronomy industry: aircraft fuel oil and lubricating oil seals, contact parts, such as all kinds  of O ring, filling, sealing ring, sensor materials, diaphragm, liner clamp.
       Low temperature resistance/oil resistance/acid resistance in harsh environment, such as aircraft hydraulic system infusion bellows, sealing strip of special vehicle doors and Windows/back cover, sensor materials.

Characteristics:
          Type (according to GB/T 5576-1997)................................PVMQ
          Natural color.......................................................translucent, smooth surface, no impurities

Curing Condition:
          After addition of 1.2% of 2.5-dimethyl bis -(tertiobutyl peroxy) 2.5-hexane (45%) and
         vulcanization for 5 min. at 180°C, with post curing at 200ºC×4hour

Item	Testing Method	Unit	SR3250UDP	SR3270UDP	SR3280UDP
Density	ASTM D792	g/cm^3	1.25	1.26	1.27
Hardness(Shore A)	ASTM D2240		50	69	80
Tensile Strength	ASTM D412	MPa	9.5	10.2	9.2
Elongation at Break	ASTM D412	%	550	400	140
Tear Strength (Right Angle)	ASTM D 624 C	kN/m	28	35	19
Brittle Temperature		ºC	-100ºC	-100ºC	-100ºC
Mechanical properties 1.1 Performance changes after aging at 225ºC×72H
Hardness(Shore A)	ASTM D2240		52	71	82
Tensile Strength	ASTM D412	MPa	9.2	9.6	9.0
Elongation at Break	ASTM D412	%	400	310	120
Mechanical properties 1.2 Performance changes after aging at 250ºC×72H
Hardness(Shore A)	ASTM D2240		56	75	85
Tensile Strength	ASTM D412	MPa	5.2	5.4	5.6
Elongation at Break	ASTM D412	%	340	270	80

Packaging: 20 kg per cardboard boxes.

Storage and shelf life:
This series may be stored in its original unopened packaging at a temperature below 40°C for up to 12 months as
from the date of manufacture.
 

Our factory:

 

 

Our equipment:

 

Our certificates:

Dlivery & Shipment:

 

FAQ:

 

Q: Are you a factory or trading company?
A: We are  rubber raw material manufacturer and owned 2 factories.

Q:Where is the loading port and How do you ship the goods?
A: Our factory is nearby Shanghai Port, but loading port can be negotiated. We could ship by sea, by air or by express(EMS, UPS, DHL, TNT, FEDEX and etc). Please confirm with us before placing orders.

Q: How can we guarantee the products' quality?
A: All the products must be tested refers to key specifications during the production and final inspection before shipment.
 
Q: What about the lead time?
A: It depends on the order quantity you place the order. Usually sample needs 5-8 working days, mass production needs 15-30 days .