Different size type nbr/epdm/silicone round rubber sealing gasket

O-Ringsare available in the following elastomers:

• Aflas^® or Kalrez^®(FFKM)
• Acrylate Rubber(ACM)
• Butyl Rubber(IIR)
• Ethylene-propylene (EPR, EPDM)
• Ethylene Acrylate Rubber(AEM)
• Fluorocarbon (FKM/FPM)
• Fluorosilicone(FVMQ)
• Hydrogenated Nitrile (HNBR)
• Liquid Silicone Rubber(LSR)
• Neoprene Rubber(CR)
• Nitrile Rubber (Buna-N/NBR)
• Natural Rubber(NR)
• Polyurethane(PU)
• Silicone Rubber
• Styrene-butadiene Rubber (SBR)

   If you need a special compound for the O-Ring, we can develop one for you.

Q 1. What's the payment term?
A: We accept T/T 30% deposit and 70% balance against copy of B/L or L/C at sight, West Union,VISA,Paypal is also accepted.

Q 2. What is the normal lead time for product orders?
A: Average lead times for prototype / first article are 1-2 weeks, 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 carton box and loaded with pallets. Special packing method can be accepted when needed.

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 ISO14001:2004 certified by S G S since 2005.
A2: We have various rubber compounds approved by U L, F D A, 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 S G S, 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, ISO2768, etc.

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, FKM, NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc.

Q 11: What other services does Maihua Rubber offer?
A: Maihua 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. Maihua 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 Maihua Rubber provide maintenance on tooling?
A: Maihua Rubber maintains all tooling and will replace as needed.

Q14: How many empolyees you have?
A:We have 325 empolyees at time of December 2016.

Q15: How many shifts per day in the factory?
A: Two shifts per day, 8 hours per shift.