BLUESIL ADD 916 is added to HCR’s on a 2-roll mill.
The normal dosage is 0.5 % by weight with respect to the HCR pre-catalysed compound.
Higher doses are not necessary and may even have a detrimental effect on the heat stability of cured compounds.
Comments: BLUESIL ADD 916 tends to make transparent mixtures opaque.
Improving the compression set of MF 135 U and MF 175 U by adding BLUESIL ADD 916:
For example, the table below gives the change in mechanical properties for MF 135 U and MF 175 U with and without the addition of BLUESIL ADD 916.
These properties are obtained after adding 2-4 dichloro benzoyl peroxide with 50 % active ingredients (Peroxide E) and curing for 8 minutes at.
|MF 135 U||100||100||0||0|
|MF 175 U||0||0||100||100|
Properties after post-curing for 4 hours at 200 °C
|Shore A hardness||39||39||70||39|
|Tensile strength MPa||7.1||7.0||9.2||9.5|
|Elongation at break %||480||470||310||300|
|Tear strength, kN/m||20||18||21||20|
Compression set (22 h / 177 °C / 25 %)
|Avoid discharge into drains, water courses or onto the ground. Store in a cool, dry place with adequate ventilation. Keep away from incompatible materials, open flames, and high temperatures. Avoid contact with oxidizing agents. Suitable containers: Steel drums coated with epoxy-resin.||请查阅这个产品的物质安全数据表||欧盟《报废车辆指令》;欧盟食品接触材料法规;《全球汽车申报物质清单》;重金属;欧盟《电气、电子设备中限制使用某些有害物质指令》;欧盟《报废电子电气设备指令》|
BLUESIL ADD 916
Crumbly, white paste.
BLUESIL ADD 916 is an acid acceptor that improve the compression set of HCR’s cured with 2-4 dichloro benzoyl peroxide (especially for hot air curing), without post-curing.
BLUESIL ADD 916 avoids efflorescence (blooming) of non post-cured, vulcanised compounds.