Rubber & Rubber Products

China Latex Gloves, Household Gloves Manufacturers/Suppliers

Eco-Friendly Ciir Biir Iir Butyl Rubber Polymer for Medical Stopper Sealing Materials

Date:2023-09-20 09:50:50VIew:

Product Description


Copolymer rubber of iso butylene and isoprene

Basic PropertiesUnitStandardTest Method
Product Form off-white balesVisual
Mooney Viscosity(ML1+8,125ºC)MU51±5GB/T 1232.1
Volatileswt%≤0.30GB/T 24131.2
Total Ashwt%≤0.30GB/T 4498.1
Antioxidant( Non-staining)wt%≥0.03YBX-2004
Cure CharateristicsUnitStandardTest Method
FLdN·m3.3±0.9GB/T 16584 Moving Die Rheometer(MDR) 160ºC × 40min, 0.5°arc
Test Formulation(phr)IIR-532 100, IRB 50, ZnO 3, Sul fur 1.75, TMTD1


Regular Butyl Rubber IIR-532 has superior air impermeability, outstanding performance of heat-resistance, chemical corrosion-resistance, thermal aging resistance, and good curing performance. It can be widely used for inner tubes of tires, tire envelopes, medical stoppers, sealing materials, ball bladders, building sealants, electrical condensers, etc.

Safety & Toxicity

IIR-532 is a kind of elastomer with stable performances. It is harmless and not dangerous for humans, plants or animals. Please refer to SDS for relevant safety data and reference.

Packaging & Shipping

Bale Weight( KG/Bale)PalletPallet Weight(KG)Wrapping Film
25±0.25Metal Box1200(48 Bales)Modified PE
Plywood Box1050(42 Bales)

Storage Life & Conditions

Two years from production date, recommended store & transport below 35ºC, no exposure to sunlight.


Q1: Can the products be customized?

- For sure, we can offer professional suggestions and customize as per clients' requests.

Q2: How about the payment terms?

- Generally speaking, we support T/T transfer and L/C at sight.

Q3: What is your terms of delivery?

-EXW, FOB, CFR, CIF, DDU, etc.

Q4: What is your sample policy?

- We can supply the free sample if we have ready parts in stock.

Q5: Can you produce according to the samples?

-Yes, we can produce by your physical samples or technical product data sheet.
Q6:How to choose the right rubber chemical for your application?
-Welcome to contact Kitamura-Xia to get more solutions.