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TECHNICAL DATA SHEET | Section 11.4
PC-50 THICKENER/ACCELERATOR
Basecoat Thickener / Accelerator

Product Description
PC-50 is a single component, proprietary liquid thickener/ Technical Data (Based on Draw Down Film)
accelerator for Polycoat Products base membranes. This
accelerator enhances the moisture curing characteristics that Pot Life at 75°F (24°C). 50% R.H. 15-20 minutes
accelerates the cure time and causes the coating to thicken.
PC-50 is designed to be used with the following waterproofing Mixing Ratio (PC-50:Base 1:20
base membranes: PC-220, PC-220SC, PC-235, PC-235SC, PC- Membrane)
440, PC-440SC and PC-440SF.
Specific Gravity 0.98 + 0.05
Features
• Creates a Thixotropic Compound Total Solids by Weight, ASTM 100%
• Fast Cure Time D2369
• Saves in Labor Cost – Apply Two Coats in One Day
Total Solids by Volume, ASTM 100%
D2697
Typical Uses
• Creates a Caulking Compound for Plywood Joints, Viscosity at 75°F (24°C) 100 ± 50 cps
Cracks, Concrete Expansion Joints and Flashings
• Vertical Surfaces Volatile Organic Compounds, 0 lb/gal
ASTM D-2369-81 0 gm/liter
• When Quick Access is Necessary

Packaging

1 quart (0.95 liter) can
solvent, as permitted under local regulations, immediately
1 gallon (3.78 liter) can after use.
Storage
PC-50 has a shelf life of one (1) year from date of manufacture
Color in original, factory-sealed containers when stored indoors at
Amber
a temperature between 60-95°F (15-35°C).
Mixing Limitations
PC-50 may be mixed into PC-220, PC-220SC, PC-235SC, PC-440, Excessive PC-50 will result in a reduction of the physical
PC-440SC or PC-440SF base membranes. Mix base membrane properties of the base membrane. Not UV stable. Cannot
thoroughly then add and mix PC-50 into the base membrane withstand direct wear or abrasion. Surfaces must be dry, clean
until a homogeneous mixture and color is attained or for at and free of foreign matter. After mixing material must be used
least 5 minutes, if mixed by hand. Do not mix in an up and within 15-20 minutes. Do not dilute under any circumstance.
down motion. Should use in a well ventilated area due to strong odor.
The mixing ratio of PC-50 to base membrane is: 2 pints (or This product is considered Dangerous Goods. DOT regulations
less) PC-50 to 1 gallon base membrane (0.24 liters PC-50 to classify it as: UN 1760, CORROSIVE LIQUID N.O.S. (contains
3.78 liters base membrane)
Amine), Class 8, PG-111. This product when comes in contact
- OR - with water, will react violently and can cause a fire. Dispose
all waste per applicable regulations.
1 quart (or less) PC-50 to 5 gallons base membrane (0.95 liters
PC-50 to 18.9 liters base membrane) Warning
This product contains Curatives.
The pot life of the resulting thixotropic compound is
approximately 15 to 20 minutes at 75°F (24°C) and 50% relative
humidity.
Cleanup
Equipment should be cleaned with an environmentally safe

POLYCOAT PRODUCTS TEL 562.802.8834 | FAX 562.921.7363 Section 11.4
wpsales@polycoatusa.com | www.polycoatusa.com