RADGLO RPC SERIES - Radiant color

15/05/2012 RADIANT COLOR NV HOUTHALEN BELGIUM

RADGLO®
RPC SERIES

Technical Information

Applications: Product description Compared to all other com- Standard colours
mercially available fluores-
Extrusion Based on their good tempera- cent pigments for plastics, RPC-10: Chartreuse
Injection moulding ture resistance, tinctorial RPC series offers the ad-
Blowmoulding strength and brilliance, vantage of negligible, if RPC-13: Orange
Filmblowing RADGLO® RPC fluorescent any, sticking or plating, RPC-15: Red
pigments are especially re- whereby both heatstability
in various plastics commended for processes, and light resistance are RPC-17: Pink
such as extrusion, injection optimized. RPC-18: Magenta
moulding, blowmoulding,
filmblowing etc., for articles Chemical composition Available colour
as e.g. safety materials, toys,
packaging, shopping bags and RADGLO® RPC pigment is RPC-X-0935: UV Green
other eye-catching products. a solid solution of dyes in a (See specific information
RADGLO® RPC fluorescent thermoplastic polyamide-ester sheet)
pigments offer the industry a resin.
broad compatibility in many
plastics, brilliant fluorescent RADGLO® fluorescent pig-
colours and easy dispersion ments as such are not classifi-
over a wide temperature range ed in the Colour Index (CI),
without formaldehyde outgas- but certain colourcomponents
sing. are.

Physical properties Regulatory and Ecotox information

• Melting point: 125°-150°C All components of RADGLO® RPC series is
• Decomp.T°: >320°C RADGLO® RPC series are basically free from heavy me-
• Min. process. T°: 160°C registered in EINECS. All tals.
• Spec. Gravity: 1.2 g/ml components as well as the For detailed information,
• Bulking value: 0.35g/ml polymeric resin of the RPC please consult the individual
• Average particle size: series are registered in TSCA. MSDS.
RADGLO® RPC series is in
8-15µm conformity with the purity
requirements of EN71 part 3.

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RADGLO® RPC SERIES 15/05/2012

Lightfastness & Heatstability

Lightfastness - Colour of the pigment Heatstability
- Pigment loading and thick-
Fluorescent pigments are mo- ness of the endproduct. The Heatstability tested by injecti-
re fugitive than conventional higher the pigmentloading on moulding in HDPE shows
pigments. They are stable to and thickness, the better the a maximum processing tem-
indoor light or outdoor condi- lightfastness. perature of 280°C during 10
tions other than direct sun- - Type of plastic. minutes.
light. By exposure to outdoor - Intensity and angle of the
sunlight the colour will chan- incident sunlight.
ge, whereby the degree of
fading is depending on follo- The lightfastness may be
wing factors: improved by including UV–
absorber(s) in the formula-
tion.

Applications & Storage

RADGLO® RPC Applications Storage
series is
Colouring following plastics are RADGLO® RPC series re-
formaldehyde free recommended (R), mains stable provided it is
and melt not recommended (NR) or kept in a dry storage place at
should be individually tested (T). temperatures < 50°C.
completely up in
the polymer. Polyethylene R
Polypropylene R
Polystyrene T
ABS T
Ionomers T
PA (nylon) T
Polycarbonate T
PMMA (polyacrylic) T
Rigid PVC T
Urethane T

TPU R

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RADGLO® RPC SERIES 15/05/2012

Processing conditions and specific considerations

Recommended pigment loading

RADGLO® RPC series pro- The pigment loading needed to
duce the most brilliant colours develop fluorescent brightness,
when used in clean, clear plas- will depend on the thickness of
tic compounds. Opaque plas- the plastic part.
tics have a negative effect on
the colour, resulting in pastel Part thickness Pigment level
shades or colourshift.
in mm in %

0.1 - 0.25 5 -10
0.25 - 0.75 3-7
0.75 - 1.5 2-3
1.5 and more 1-2

Processing temperature & Additives

RADGLO® RPC pigments Additives:
require a minimum proces-
sing temperature of 160°- Certain metal ions and nucleated
170°C. To optimize proces- polymers are known to cause
sing it is recommendable to colour changes and loss of
predisperse the pigment into brightness to fluorescent colo-
a concentrated form rants. Typical examples are zinc
(masterbatch). Masterbatches and calciumstearates. These com-
based on RPC pigments may monly used lubricants/additives
be loaded up to 40%. will cause various degrees of co-
lour changes in fluorescent co-
loured materials. Avoid metal ions
(stearates) in
Similar effects may be seen when
using calciumcarbonate as an combination with
extender. Any additive to a fluo- fluorescent
rescent platstic system should be products.
examined to determine if it will
adversily affect the brightness
and hue of the fluorescent
colorant.

For more specific information,
please consult the bulletin:
“Effects of metal ions on fluo-
rescent colorants in plastics”.

For obtaining pastel shades, we
recommend to use ZnS instead
of TiO2 in order to keep the
brilliancy level under black light
illumination.

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Available standard colours & package of the RPC series:

COLOUR RPC Others Similar codes in the different series offer a comparable colour
Chartreuse RPC-10 - but are not 100% identical.
Orange RPC-13 -
Red RPC-15 - Colour may depend on the specific formulations of the customer.
Pink RPC-17 -
Magenta RPC-18 - Additional series and colours are available on request.
UV Green
- RPC-X-0935(*) Package: Bags containing: = Minimal order
1 box = 20 kg 1 x 20 kg

(*) See specific information sheet. Minimal order for this product = 5 kg.

® = registered trademark
Disclaimer: This technical information is just an advice. No warranty of fitness for a particular purpose is made.

Telephone sales department: + 32 11 52 07 60
Fax: + 32 11 52 66 79
E-mail: sales@radiantcolor .be
Website: www.radiantcolor.be

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