any body have experence withhempel cilic a/f

Propspeed very good on props. Similar type of product.

From memory, propspeed is an epoxy product that produces a very smooth, hard surface as opposed to Silic One which is soft.

Superheat6k of this parish tried Silic on his Corvette 32 and it dropped off first time out.

But for planing hulls Silic is great. I got 1.5 knots extra speed as it's such a low friction. (Or better fuel economy)....
 
From memory, propspeed is an epoxy product that produces a very smooth, hard surface as opposed to Silic One which is soft.

Superheat6k of this parish tried Silic on his Corvette 32 and it dropped off first time out.

But for planing hulls Silic is great. I got 1.5 knots extra speed as it's such a low friction. (Or better fuel economy)....
Same here i have Propspeed on props and its brilliant, lasted 3 years and worked well. I tried Silic One on shafts and trim tabs and it flew off the first time out.
 
From memory, propspeed is an epoxy product that produces a very smooth, hard surface as opposed to Silic One which is soft.

Superheat6k of this parish tried Silic on his Corvette 32 and it dropped off first time out.

But for planing hulls Silic is great. I got 1.5 knots extra speed as it's such a low friction. (Or better fuel economy)....
Propspeed is silicone based too. You can feel it soft on the prop.
 

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