Description

Composition: 50% FKM curative master batch in a copolymer FKM 

Form and Color: Small pellets. Homogeneous white.

Application and Safety:

In order to avoid any possible damages on skin, eye contact and inhalation of the combustion gases, please read the Material Safety Data Sheet (MSDS) before you use the materials. Smoking is prohibited in the workplace.

Typical properties of Vulcanization

Typical recipe for testing:                                                                   PHR

Raw gum    --------------------------------------------------------------------------- 100

AF50 ------------------------------------------------------------------------------------ 4

PB33 ----------------------------------------------------------------------------------- 1.5

MGO 150 ------------------------------------------------------------------------------ 3

NICC5000 ----------------------------------------------------------------------------- 6

N990 ------------------------------------------------------------------------------------ 30

Mooney Viscosity ML(1+10)@121℃ ------------------------------------------- 80

MDR^{6min@175℃arc0.5 80}

MH --------------------------------------------------------------------------------------- 20

ML --------------------------------------------------------------------------------------- 1.5

TS2 -------------------------------------------------------------------------------------- 80

TC50 ------------------------------------------------------------------------------------ 125

TC90 ------------------------------------------------------------------------------------ 175

Mechanical properties

Press cure10min@170℃

100% (MPA) --------------------------------------------------------------------------- 3.8

Tensile Strength (MPA) ------------------------------------------------------------- 9.5

Elongation at break (%) ------------------------------------------------------------ 330

Hardness (Shore A) ----------------------------------------------------------------- 77

Post cure24H@232℃

100% (MPA) --------------------------------------------------------------------------- 5

Tensile Strength (MPA) ------------------------------------------------------------ 15

Elongation at break (%) ----------------------------------------------------------- 240

Hardness (Shore A) ---------------------------------------------------------------- 77

Compression set (ASTM D395 B, 200℃*22H*25%)

Compression Set ------------------------------------------------------------------- 20

Hot Air Resistance (ASTM D573, 70H*200℃)

Change in Tensile strength ------------------------------------------------------ +4

Change in Elongation at break -------------------------------------------------- -3

Change in Hardness -------------------------------------------------------------- +1

The information set forth herein is furnished free of charge and is based on technical data that FreChem believes to be reliable. It is intended for use by persons having technical skill, at their own discretion and risk. Since conditions of product use and disposal are outside of our control, we make no warranties, express or implied, and assume no liability in connection with any use of this information.

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