you can find it from any chemical dealer
trade names:
kollodium 4%
collodion 4%
DAB 6
it is cellulose nitrate in ethanol / dietyl ether CAS number 9004-70-0
price ... if you buy from Merk 1/2 liter is 50.10 Euro, less of 60 $
you can find it from any chemical dealer
trade names:
kollodium 4%
collodion 4%
DAB 6
it is cellulose nitrate in ethanol / dietyl ether CAS number 9004-70-0
price ... if you buy from Merk 1/2 liter is 50.10 Euro, less of 60 $
Price in Italy
Last edited by Don Gilman; 06-06-2018 at 10:07 AM. Reason: more info
Alright guys! I cracked the code, I found the secret. I unlocked the magic. So.... You just need to follow these simple 7 steps and you are set to go.
Step 1: Metal Blocker
Step 2: Super adhesive blocking pad
Step 3: 2 Staggered Anti-Slip Discs- preferably DynaGrip Xtreme
Step 4: Block lens
Step 5: Put lens protecting chip on backside
Step 6 (optional for high minus/ high base curve lenses: Regular blocking pad with the paper still on it
Step 7: Use regular scotch tape to secure the front in a box formation.
This is now the next question... I have found some reject blocking pads - probably from the early 2000s or late 1990s- that are super sticky and the quality of them is like no other blocking pad I have tried, even through Opti-Source. So please tell me what they are or what is comparable. They are 24mm by 22mm with a 5mm tab and powder blue protecting paper, I will try to post a pic. I use 3M 1692M right now and for normal lenses they are okay, but the old ones with my 7 step system didn't budge AT ALL even on a -6.25 (sph) -2.25 (cyl) Hi 1.74 tinted, mirror coated lenses with premium BSAR.
Or. You can get an MEI EZFit NBL and be done with all blocks and pads.
WHAT IN THE WORLD! Literally researching this... i need this so badly! It would totally one-up our competition
I wanted to know if any of you then tried Kollodium and with what results
The product is out of stock in the US for the distributor with which I placed the order. At this point it will be a little more than a month until I get it.
I've finally been using the collodium. It applies easily (I use a Q-tip), and it quickly dries to form a temporary layer. The temporary layer washes off easily. I'm gradually getting used to it, so I've been putting it between an intermediate film and the lens. I haven't tried putting it alone between the leap pad and the lens.
If you use this substance be careful. There are all sorts of warnings on the bottle, and I believe the collodium is suspended in ether. I'm a lightweight so, I have been using a respirator when applying the stuff.
I use Dynagrip from Dynamic labs. Never had a problem
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