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Pro Coat (Ready Mix to Coat)

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Range Of Speciality Products

No.	Products	Usage	% Require*
1	Procoat UFC	Universal readymix powder for aqueous, Hydro alcoholic or solvent base film coating.	1.5 to 2.5% for solvent system. 1.2 to 2.0% for aqueous system.
2	Procoat AFC	Readymix powder for aqueous base film coating.	1.2 to 2.0%
3	Procoat SFC	Readymix powder for solvent base film coating.	1.5 to 2.5%
4	Procoat FCS	Readymix powder for aqueous, Hydro alcoholic or solvent base film coating.	1.5 to 2.5% for solvent system. 1.2 to 2.0% for aqueous system.
5	Procoat WT	Readymix (white) cost effective powder for aqueous, Hydro alcoholic or solvent base film coating. Color has to incorporate by customer as per requirement.	1.5 to 2.5% for solvent system. 1.2 to 2.0% for aqueous system.
6	Procoat AWT	Readymix (white) powder specially designed for low costing aqueous film coating. Color has to incorporate by customer as per requirement.	1.2 to 2.0%
7	Procoat SR	Readymix powder for sustain release formulations.	Depend upon nature of drug.
8	Procoat ECC	Cellulose Acetate Phthalate (CAP) base readymix powder for solvent base enteric coating.	6 - 10%
9	Procoat ECH	Hydroxyl Propyl Methyl Cellulose Phthalate (HPMCP) base readymix powder for solvent base enteric coating.	6 - 8%
10	Procoat ECM	Methacylic acid co-polymer base readymix powder for aqueous or solvent base enteric coating.	6 - 8%
11	Procoat SH	Readymix powder for polishing of tablet.	0.5 - 1.0%
12	Procoat MB	Readymix powder for moisture barrier coating on moisture sensitive drug. It increases stability of drug.	3 - 5%

» Storage : Store in cool & dry place in tightly closed condition
» Packing : 1 kg, 5 kg, 25 kg in corrugated box / Plastic jar

Film Coating By Procoat ( Solvent System )

No.	How to Use	Solvent System	Aqueous System
1	Grades of Procoat Applicable	Procoat UFC/SFC/FCS/WT	Procoat UFC/AFC/FCS/WT/AWT
2	% of Procoat Required	1.5 - 2.5% w/w	1.2 - 2.0% w/w
3	Vehicle Recommended	Iso Propyl Alcoho (IPA) / Methanol 40% w/w Methylene Di Chloride (MDC) 60% w/w	De Mineralised Water (D.M. Water) 100% w/w
4	Solid % in Solution	5 - 7% w/w	12 - 15% w/w
5	Example	Batch Size : 35 Kgs, Tablets Punch Size : 10/32" (8mm approx) Av. Wt. Of Tablet : 200 Mgs. PROCOAT require : For 2% wt. Gain = 0.7 Kgs Formula : PROCOAT : 0.70 Kgs. M.D.C. : 7.98 Kgs. I.P.A : 5.32 Kgs. _____________ Total : 14.00 Kgs. Solid % in solution = 5% w/w	Batch Size : 35 Kgs, Tablets Punch Size : 10/32" (8mm approx) Av. Wt. of Tablet : 200 Mgs. PROCOAT require : For 2% wt. Gain = 0.7 Kgs Formula : PROCOAT : 0.70 Kgs. D.M.Water. : 4.90 Kgs. _____________ Total : 5.60 Kgs. Solid % in solution = 12.5% w/w
6	Method of Preparation	¤ Take total quantity of solvent in a container. Stirr it by propeller type of stirrer to form a vortex. ¤ Add PROCOAT in a fine stream. If require increase speed to maintain vortex. ¤ After complete addtion of PROCOAT continue stirring for 45 minutes. ¤ Filter the solution through 200 # bolting cloth.	¤ Take D.M. water (heated up to 600C) in a container. Stirr it by propeller type of stirrer to form a vortex. ¤ Add PROCOAT ina fine stream. If require increase speed to maintain vortex. ¤ After complete addition of PROCOAT continue stirring for 45 minutes. ¤ Filter the solution thourgh 200# bolting cloth.
7	Tablet Parameter	Hardness - NLT 30 Kg/Cm² Friability - NMT 0.5%	Hardness - NLT 4.0 Kg/Cm² Friability - NMT 0.5%
8	Process Parameter (For 36" coating Pan)	Air Pressure - 3 - 4 Kg/Cm² Inlet Temp. - 60 - 70⁰C Bed Temp. - 35 - 40⁰C Pan RPM - 8 - 12	Air Pressure - 4 - 5 Kg/Cm² Inlet Temp. - 70 - 80⁰C Bed Temp. - 35 - 40⁰C Pan RPM - 8 - 12

Film Coating By Procoat ( Hydro-Alcoholic System )

No.	How to Use	Hydro-Alcoholic System
1	Grades of Procoat Applicable	UFC / FCS / WT
2	% of Procoat Required	2 - 2.5% w/w
3	Vehicle Recommended	Iso Propyl Alcohol (IPA) 50% w/w De Mineralised Water (D.M. WATER) 50% w/w
4	Solid % in Solution	9 - 10% w/w
5	Example	Batch Size : 35 Kgs, Tablets Punch Size : 10/32" (8mm approx) Av. Wt. of Tablet : 200 Mgs. PROCOAT require for 2% wt. Gain = 0.7 Kgs Formula : PROCOAT : 00.700 Kgs. D.M. WATER : 03.538 Kgs. I.P.A : 03.538 Kgs. _____________ Total : 07.776 Kgs. Solid % in solution = 9% w/w
6	Method of Preparation	¤ Take IPA in a container under stirring. ¤ To this slowly add PROCOAT in it. ¤ Stir it for about 5 minutes. ¤ Now slowly add D.M. Water to it. ¤ Continue stirring for 45 minutes. ¤ Filter the suspension through 200# bolting cloth.
7	Tablet Parameter	Hardness - NLT 4.0 Kg/Cm² Friability - NMT 0.5%
8	Process Parameter (For 36" coating Pan)	Air Pressure : 3 - 4 Kg/Cm² Inlet Temp. : 60 - 70⁰C Bed Temp. : 35 - 40⁰C Pan RPM : 8 - 12

Application :
1. Moisture sensitive drug : Calcium Carbonate, Ibuprofen, Certrizine, Famotidine, Ayurvedic products, Ranitidine, Vitamins, Ethambutol, Rifampicin etc.

2. Other Drugs : Diltiazem, Norfloxacin, Ciprofloxacin, Metroniadazole, tinidazole, Ornidazole, Chloroquine Phosphate, Roxithromycin,Azithromycin, Gatifloxacin, Erythromycin, Cimetidine, Levofloxacin, Sildinafil Citrate etc.

Coating Parameters ( For Aqueous film coating )

No.	Coating Pan	12" Conv.	24" Conv.	36" Conv.	48" Conv./Auto	60" Conv./Auto
1	Pan Speed (RPM)	15-20	10-14	8-12	5-8	3-6
2	Air Pressure (kg/cm²)	2-2.5	3-4	4-5	5-6	5-6
3	Blower Air Volume (CFM)	30	200-300	700-1000	1300-2200	4000-5500
4	Solid Content (%)	12-15	12-15	12-15	12-15	12-15
5	Baffles	4	4	4	4	4
6	Tablet Weight	1 kg	20 kg	45 kg	100 kg	200 kg
7	Bed Temperature (⁰C)	35-40	35-40	35-40	35-42	35-42
8	Spray Nozzle (mm)	1	1.5	1.5	1.8	1.8
9	No of Spray Gun	1	1	1	2/3	3/4
10	Inlet Air Temperature (⁰C)	70	70	70-80	75-85	75-85

Coating Parameters ( For Solvent film coating )

No.	Coating Pan	12" Conv.	24" Conv.	36" Conv.	48" Conv./Auto	60" Conv./Auto
1	Pan Speed (RPM)	15-20	10-14	8-12	5-8	3-6
2	Air Pressure (kg/cm²)	2-2.5	2.0-3.0	3.0-4.0	3.5-4.5	4.0-5.0
3	Blower Air Volume (CFM)	30	200-300	700-1000	1300-2200	4000-5500
4	Solid Content (%)	5-7	5-7	5-7	5-7	5-7
5	Baffles	4	4	4	4	4
6	Tablet Weight	1 kg	20 kg	45 kg	100 kg	200 kg
7	Bed Temperature (⁰C)	35-40	35-40	35-40	35-42	35-42
8	Spray Nozzle (mm)	1	1.5	1.5	1.8	1.8
9	No of Spray Gun	1	1	1	2/3	3/4
10	Inlet Air Temperature (⁰C)	60	60	60-70	70-80	70-80

Ideal Requirement of best Coating Facility

Spray Gun	Bullose 230, Pilot Type 59
Stand	for fixing spray gun
Air Compressor	with pressure gauge and air filters. Air pressure available should be 3 - 6 kg/cm2
Peristaltic Pump	Electrolab PP 20IV - with 4 - 6 mm ID silicon tube this ensure uniform spray through out process
Weighing Balance	Solution to be kept on balance for calculating spray rate/min

Process Variables to Control During Coating

Revolution Per Minute (RPM) of Pan	Spray Rate
Spray pattern and distance between spray gun and tablet bed	Inlet, Outlet and Bed Temperature
Air Pressure

Important Hints

Provide gentle stirring to the coating solution during spraying to prevent settling of some heavy pigments present in the solution.

While using PROCOAT WT (white), prepare the solution 24 hrs. advance to get best whiteness.

Some time grayish spots develops on tablet during coating due to friction between pan and tablets. In such condition coat the internal surface of pan by the same solution, dry the pan and then load the tablet for coating.

PROCOAT can be used in any coating machines such as Conventional Coating Pan, Autocoater (like Ganson, Neocoat, Accella Coata etc.) & Fluid Bed Coater.

Technical Support

We have tried to explain our level best in literature. But process variables to be made as per coating facilities at customer's premises. Our technical staff is ready to serve our valuable customers by explaining & demonstrating entire coating operation.

Advantages

Easy to prepare coating solution	High solid content can be sprayed, reducing process time
Less percentage of material require, reducing process time	Less inventory, white base available
Smooth & shiny film	Sigh adhesion property of film
Fixed source of raw material, ensures batch to batch uniformity in coating	No colour variation
High colour stability

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