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The recommended dose of BLUESIL ADD 720 is 5 % with respect to the HCR pre-catalysed compound. It is easily added on a 2-roll mill.

Comments: With transparent HCR compounds opacification may occur. Furthermore, BLUESIL ADD 720 may slightly lower the tensile strength of cured silicone compounds (by between approx. 0.5 to 1 MPa).

Example: The following tables give the change in mechanical properties for MF 135 U and MF 175 U obtained after ageing for 70 hours at  150 °C in ASTM oils 1 and 3. These values are measured after adding 2-4 dichloro benzoyl peroxide with 50 % active ingredients (Peroxide E) and curing for 8 minutes at 115 °C and post-curing the test slabs for 4 hours at 200 °C.

BLUESIL ADD 720 may be stored at temperatures between -5°C / 23°F and 30°C / 86°F for up to 18 months from its date of manufacturing.Please consult the Safety Data Sheet of this product.

BLUESIL ADD 720

BLUESIL ADD 720 is an agent designed to improve the resistance of heat cured silicone elastomers to ASTM Oil n° 1, 2 and 3 and to motor oils, both for short and prolonged periods.

Ivory coloured paste.

Protection

HCR Additives

Asia Pacific;Europe Middle East Africa;Central and South America;North America

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Density1.63Monocompg/cm3

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