application/pdf | Revchem Composites

33SSM20A_TDS.pdf

by | Sep 27, 2025

PEARLVEIL
For Flat Molding and Filament Winding

Product Description
Pearlveil is a non-woven, continuous strand
glass fiber surfacing veil for relatively flat
composite parts. Process applications
include:
Pre-form
Compression Molding
Continuous Lamination
Electrical Flat Sheet
RTM / Vacuum Infusion
Filament Winding
Glass Reinforced Gypsum (GFRG)
Binder Selection
Select the correct binder for any specific
molding process or application from the SI
Veils Binder Selection Data Sheet.
Appearance
SI Veils are white in color, highly uniform
and substantially free of tears, holes, glass
beads and tails or other foreign materials.
Width
Standard widths range from 40 inches
(1.016 m) up to 120 inches (3.048 m).
Narrower widths are available, a slitting
charge and minimum quantity requirements
may apply.
Features
Boron free glass fibers
Outstanding surface finish results
Light weight reinforcement

Excellent resin wet-out
Good electrical resistance properties
Roll widths up to 120 inches wide
Longer length rolls, thus reducing
the number of rolls required to be
put up while completing a project.
Customer specified binder
percentage
Corrosion resistance under acidic
conditions. See Corrosion Data
Sheet
Contamination free
Consistent white color, transparent
to the finished part
Excellent punch-ability properties
Easily sanded for improved post-
finishing
Options

Pearlveil offers many configuration options
which helps to ensure a perfect match with
your composites process.

Some customer specified options include:
Weight per square foot/square meter
Roll width from 3 to 120 inches
Binder percentage
Fiber orientation
Fiber diameter
Custom cut pieces
Custom packaging
Other options consult factory

Schmelzer Industries, Inc. 7970 Wesley Chapel Road PO Box 249 Somerset, Ohio 43783 800-992-2865 siveils.com

Pearlveil Specifications
Other custom weights may be possible, consult factory for price and availability.
Pearlveil Thickness Ounces / Grams / Length – Feet Length m Roll Dia.
Specification Inches (mm) Sq. Ft. Sq. meter (+/- 10 %) (+/- 10 %) Inches
3 mil .003 (0.08) 0.05 15 1,750 530 12″ – 15″
5 mil .005 (0.13) 0.06 20 1,750 530 12″ – 15″
7 mil .007 (0.18) 0.09 30 1,750 530 14″ – 17″
10 mil .010 (0.25) 0.12 40 1,750 530 16″ – 20″
15 mil .015 (0.38) 0.18 55 1,750 530 20″ – 24″
20 mil .020 (0.51) 0.26 80 1,750 530 25″ – 28″
30 mil .030 (0.76) 0.34 105 1,400 430 25″ – 28″
40 mil .040 (1.02) 0.47 145 900 270 23″ – 25″
1/2 Ounce .043 (1.08) 0.50 155 900 270 23″ – 25″

Note: Rolls 80 inches or wider may be cut to half-length to maintain reasonable roll weight.

Packaging
All veils are wound onto a heavy duty 3 inch
I.D. cardboard core, immediately sealed
against contamination in a polyethylene bag
and identified with a unique, product specific
label.
Based upon quantities, Pearlveil is shipped
on wooden pallets, typically 9 rolls per
pallet. Optional packaging is available.
All material is supplied in roll goods form
with trimmed edges.
Quality
All Pearlveil products are manufactured in
the United States and meet the demanding
quality requirements within the composites
industry.

Storage
For best results, Pearlveil should be stored
indoors, with temperatures between 50
o
F
(10
o
C) and 90
o
F (32
o
C) and relative
humidity below 80%. It should remain
upright, on a pallet and in the original
packaging until ready to use.
Warranty

See Schmelzer Industries Standard Terms
and Conditions.

About Schmelzer Industries

Schmelzer Industries Inc., headquartered in
Somerset, Ohio, is a glass fiber
manufacturer, custom materials developer
and supplier of quality veils and light weight
reinforcements for the composites industry.
We can be found on the internet at
www.siveils.com

Rev: 16-Feb.-18
Schmelzer Industries, Inc. 7970 Wesley Chapel Road PO Box 249 Somerset, Ohio 43783 800-992-2865 siveils.com

33SSM10A_TDS.pdf