Description•RHODORSIL MM 1251U is a silicone master-batch vulcanizing under heat after addition of a vulcanizing agent (chosen according to the transformation process).

Advantages•Slight replastification after prolonged storage

•Easy to manipulate

•Low hardness, but good mechanical properties

•Good stability up to 200 ºC

•Opaque

•Acceptance of fillers and easy to blending

Characteristics •Type (AFNOR T 40002) MVQ

•Density at 25 ºC, approx.1.15

•Natural colouropaque

•Williams plasticity240

PropertiesAfter addition of 0.6% dimethyl–2, 5 bis (tertiobutyl-peroxy), 2,5 hexane at 75%, and vulcanization for 10 minutes at 170 °C, and postcure for 4 hours at 200 °C.

Hardness (Duromoter), approx ……………………………………50

(ASTM D 2240)

Tensile strength, (Kgf/cm), approx………………………………..92

(JIS K 6301 No.3)

Elongation at break %, approx.390

(JIS K 6301 No.3)

Tear strength, (Kgf/cm), approx.23

(JIS K 6301 TYPE B)

Compression set (%) (180C/22hrs)16

(JIS K 6301)

Linear shrinkage (%) 200C/4hr……………………………………3.8%

ApplicationsMoulding, injection of articles with good mechanical properties.

PackagingRHODORSIL MASTERBATCH MM 1251U is  supplied in 20 kg reinforced cardboard boxes. 480 kilos in a pallet.

Storage

RHODORSIL MASTERBATCH MM 1251U may be stored for up to 6 months at a temperature below 40ºC as from the date of manufacture marked clearly on the packaging.

Past this date Rhodia Silicones no longer guarantees that the product meets the sales specifications.

SafetyConsult the Safety Data Sheet of RHODORSIL MASTERBATCH MM 1251U.

Important

The information contained in this document is given in good faith based on our current knowledge. It is only an indication and is in no way binding, particularly as regards infringement of or prejudice to third party rights through the use of our products.

RHODIA GUARANTEES THAT ITS PRODUCTS COMPLY WITH ITS SALES SPECIFICATIONS.

This information must on no account be used as a substitute for necessary prior tests which alone can ensure that a product is suitable for a given use.

Users are responsible for ensuring compliance with local legislation and for obtaining the necessary certificications and authorisations.

Users are requested to check that they are in possession of the latest version of this document and RHODIA is at their disposal to supply any additional information..