Packaging & Delivery
package detail :PE plastic bags and carton / as per your request
Delivery Time : 10-25 days according to MOQ
Molded Rubber Seals are availble as following elastomers:
Ethylene-propylene (EPR, EPDM)
Ethylene Acrylate Rubber(AEM)
Hydrogenated Nitrile (HNBR)
Liquid Silicone Rubber(LSR)
Nitrile Rubber (Buna-N/NBR)
Styrene-butadiene Rubber (SBR)
If you need a special compound for mold rubber seals ,we can devolop for you.
Acid resistance EPDM rubber umbrella valve
|Hardness||20-90 Shore A|
|Color||Black,Brown,Green,White,Red,Yellow,Blue,Orange,Grey or customized|
|Size||According to your drawing|
|Tolerance||ISO 3302-1 M1 or according to drawing|
|Certificate||ISO 9001,ISO/TS 16949,FDA UL,NSF61,ACS,AS4020,WRAS,RoHS,REACH|
|OEM / ODM ||Available|
|Inspec. standard||MIL-STD-105E AQL0.65=0 according to customer requestion|
|Inspec. report||FAI, COC, TDS,ROHS, MSDS.|
|Inspec. mothed||100% inspecion.|
|Lead Time||10-25 days|
Dongguan Doit Rubber Products Co. Ltd. founded in 2010, we are directly professional making rubber seals parts. which is a leading gloable suppiler of sealing solution. Covering area of 10000 square meters.Form concept to finished nolded component,Doit's technical support staff work together with you to provide the resources in engineering design, material selection and product manufacturing, to ensure excellece in the your sealings. We specialized in precision rubber sealing parts and customized sealing parts. Our orientation is for connector,electrics, electronics,optics,solenoid valve, solenoid pump. Automobile parts etc.
Q 1. What's the payment term?
A: We accept T/T 50% deposit and 50% balance against copy of B/L or L/C at sight, T/T ,VISA is also accepted.
Q 2. What is the normal lead time for product orders?
A: Average lead times for prototype / first article are 10-25 days, if tooling is involved, lead time for production tooling is 10 days, average production time after sample approval is 2-3 weeks.
Q 3. What is your standard packing?
A: All the goods will be packed by plastic and carton box and loaded with pallets. Special packing method can be accepted when request.
Q 4. Could you please tell us the month capacity of your products ?
A: It depends on which model, we produce more than 2500 tons rubber materials per month.
Q 5. what kind of certificates you have ?
A1: We have been ISO9001:2008 and ISO/TS 16949 certified.
A2: We have various rubber compounds approved by UL, FDA, NSF, KTW, W270, WRAS, ACS, AS4020, EN681, EN549, ROHS and REACH.
Q6: How to check the quality of the bulk order?
A1: We provide preproduction samples before mass production for all customers if needed.
A2: We provide quality certs such as measurement report, material data sheet, COO, COA, etc. to all customers before delivery.
A3: We accept third party inspection such as SGS, TUV, INTERTEK, BV, etc.
Q 7: How to select the raw compound for my application?
A: With years of experience working with a variety of material, we can help select the material that will best suit your needs while keeping material costs in mind.
Q 8: Do you use any international standards for the rubber products?
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302.
Q 9:Can you supply different color materials?
A: Yes, we can produce custom molded rubber and silicone rubber products in different colors, the color code will be required in case of an order.
Q10: What materials are available to produce from your side?
A: NBR, EPDM, SILICONE, VITON(FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc.
Q 11: What other services does DOIT Rubber offer?
A: DOIT Rubber has in-house tooling capabilities for molds; we have our own lab for material testing; we have a Cold Room used for elastomer storage to prolong product life.
Q 12: What is the life expectancy of the rubber seal?
A: Product life is contingent upon many factors, including environment, cycles, pressure, etc. DOIT Rubber cannot predict seal life under all the varying conditions of operation. Accellerated life testing may be performed by customer to determine expected life, but must be conducted in dynamic application.
Q13: Does DOIT Rubber provide maintenance on tooling?
A: DOIT Rubber maintains all tooling every three months and will replace as needed.
Q14: How many empolyees you have?
A:We have 150 empolyees.
Q15: How many shifts per day in the factory?
A: Two shifts per day, 8 hours per shift.
acid resistance epdm rubber umbrella valve - featured by good resistance against oil, water, heat, and shock. Equipped with Taiwan quality control and production technology, Doit Rubber is one of the leading manufacturers and suppliers of in China. You can rest assured to try our customized service and wholesale custom products from our factory.