Sr985u Excellent Green Strength of Polymer, Compromized Compression Set. High Quality Silicone Rubber

• Raw Material: Synthetic Rubber
• Material: Silicone Rubber
• Appearance: White
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: SR985U
• Form: The Massive Raw Rubber
• Technical Specification: Customized
• Application: High Resilience, Oil Resistant Occasions
• Characteristics: Translucent, Natural Color
• Advantages: Resistance to Oil
• Hardness (Shore a): 82
• Transport Package: Carboard Boxes
• Specification: 50*35*15
• Trademark: SANESIL
• Origin: China
• HS Code: 39100000
• Production Capacity: 50000
• Package Size: 50.00cm * 35.00cm * 15.00cm
• Package Gross Weight: 20.000kg

Product Description

  
Description: Series of SR 2200 Series is high resilience and good mechanical properties silicone rubber with the
addition of different vulcanizing agents.


Special properties:
         Excellent green strength of polymer
          It is not easy to be structured in long-term storage.
          Compromized compression set
          Good thermal stability, heat resistance up to 225ºC

     
Main applications:
       SR2200U series can be used for high resilience, oil resistant occasions and other products,
suitable for molding, injection, extrusion process.

Mechanical properties:
 

Item	Test Method	Unit	Technical date
			SR2230U	SR2240U	SR2250U	SR2270U	SR2280U	SR985U
Mechanical properties, 1.1after 1st vulcanization
Specific gravity	ASTM D792	g/cm3	1.09	1.10	1.12	1.18	1.21		1.21
Hardness (Shore A)	ASTM D2240		29	42	52	70	81		82
Tearing strength	ASTM D412	MPa	6	6.4	7.2	9.5	9.5		10.5
Elongation at break	ASTM D412	%	800	400	410	280	250		300
Tear strength (Crescent)	ASTM D 624 B	kN/m	12	15	16	22	25		27
Rebound	GBT 1681-2009	%	77	75	66	49	45		44
Compression set 177  ºC ×	ASTM D395 Method A	%	21	22	23	21	24		23

Characteristics:
      Type (according to GB/T 5576-1997)................................MVQ
      Natural color......................................................................White

Curing Condition:
       After addition of 1.2% of 2.5-dimethyl bis -(tertiobutyl peroxy) 2.5-hexane (50%) and
      vulcanization for 5 min. at 175°C, with post curing at 200ºC×4hrs.

 

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 3 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.