Seal and Pre-Coat

Transparent and pigmented sub-coats that isolate an acid labile core before the enteric layer goes on.

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What this range covers

Seal coats and pre-coats give the core a uniform, sealed surface before the functional layer is applied. That step matters most on enteric systems built over moisture sensitive actives such as the Pantoprazole group.

Actives covered by grades in this range

Pantoprazole group

Range

Grades held: 2
Process base: Aqueous or non-aqueous
Brand: Rglax Coat
Made at: Tahliwal, Distt. Una, H.P.

A sub-coat gives the functional layer an even surface to build on, and keeps the core away from the polymer above it.

Grades in this range

2 grades, each with its own data sheet.

Application parameters

Starting parameters by pan size.

Rglax Coat film coating

Tablet bed and inlet temperatures are given as aqueous over non-aqueous (AQ / NAQ). Settings are indicative and confirmed against your core during trials.

Coating equipment	Conventional coaterAQ / NAQ12 inch pan	Auto coaterAQ / NAQ24 inch pan	Conventional coaterAQ / NAQ36 inch pan	Auto coaterAQ / NAQ48 inch pan
Pan speed (rpm)	18 to 20	14 to 16	8 to 12	3 to 5
Tablet charge (kg)	0.5 to 1	3 to 5	40 to 50	100 to 130
Tablet bed temp (°C)	35-40 / 30-35	35-40 / 30-35	35-40 / 30-35	35-40 / 30-35
Inlet temp (°C)	75-80 / 60-65	75-80 / 60-65	75-80 / 60-65	75-80 / 60-65

Quantity for your batchMaterial to issue at your charge and target weight gain, including process loss.Build-up in mg per cm²Percentage weight gain hides film thickness. This is the number that scales.

Before you specify a grade

Other coating systems