Vacuum casting flexible resins - Simulation of HDPE and PP

PR740, Pr777 & hpr65
MEDIUM MODULUS & HIGH STRENGTH

Three products allowing to cast from the thinnest to the thickest part
High impact strength for harsh handling resistance
Low aggressiveness to silicone moulds

to the comparison table

In Accordance With

REACH

EC Regulation 1907/ 2006, SVHC list in force

RoHS

Directive EU 2011/ 65, 2015/ 863 & 2017/ 2102

End-of-life vehicle directive

2000/ 53/ EC

WEEE Directive

2002/ 96/ EC

Directive related to cosmetic products

2000/ 11/ EC

Recycling compliance

IMDS (mdsystem.com)

the Flexible PR740

Suitable for living hinges and very resistant to torsional and bending forces
Limited isocyanate aggressiveness to ensure long mould life
High chemical resistance to various aqueous solutions and engine fluids
Overall good mechanical resistance with very high elongation at break > 50% and high impact resistance even notched

Documents

TDS PR740

Technical data sheet of the PR740. All mechanical and thermal properties of the flexible prototyping resin PR740.

+ download (pdf | 0,3 MB)

available Test reports

chemical resistance
dielectric properties

Please contact us in order to get a copy of the test reports. We will happily provide them to you.

the Five Star PR777

User-friendly with a simple 1 : 1 mixing ratio
Outstanding combination of long potlife and fast demoulding
HdT above >100 °C for your technical projects
Flame retardant according to EN 60695‑11‑10A (HB)
Very strong material regarding impact resistance and especially suited to parts with clips
Possibility to increase the properties with the glass fibre filler SYNFILL G

Documents

TDS PR777

Technical data sheet of the PR777. All mechanical and thermal properties of the PP-like prototyping resin PR777.

+ download (pdf | 0,3 MB)

TDS PR777 + SYNFILL G

Technical data sheet of the PR777 with SYNFILL G. All mechanical and thermal properties of the PP-like prototyping resin PR777, at different filler rates of added Synfill G.

+ download (pdf | 0,4 MB)

available Test reports

chemical resistance
dielectric properties
flame resistance
thermal conductivity

Please contact us in order to get a copy of the test reports. We will happily provide them to you.

the cold-curing HPR65

Very low exothermic reaction allowing the casting of small to massive parts
Can be cured at room temperature or at 70°C for a faster demoulding
Very high impact resistance even on a notched specimen

Documents

TDS HPR65

Technical data sheet of the HPR65. All mechanical and thermal properties of the all-purpose semi-rigid HPR65.

+ download (pdf | 0,3 MB)

Do you have a question?

Just ask us!

+33 3 44 31 72 00 comm@synthene.com

Technical Data

PRODUCT NAME	PR740	PR777	HPR65	PRODUCT NAME
Hardness	70D	75D	65D	Hardness	(Shore)
Simulation of ²	HDPE/ PP	HDPE/ PP	HDPE/ PP	Simulation of ²
Colour of the cured material	gold−transp. ³	milky/ beige ³	transp. amber ³	Colour of the cured material
Colourability ⁴				Colourability ⁴
PROPERTIES				PROPERTIES
Density	1,11	1,13	1,12	Density	(g/ cm3)
Flexural modulus	590	930	450	Flexural modulus	(MPa)	ISO 178
Maximum flexural strength	25	36	450	Maximum flexural strength	(MPa)	ISO 178
Elongation at break	> 50	35	80	Elongation at break	(%)	ISO 527
Tensile modulus of elasticity	650	1000	420	Tensile modulus of elasticity	(MPa)	ISO 527-1
Tensile strength	> 20	36	18	Tensile strength	(MPa)	ISO 527-1
Impact resistance	24 (notched)	91	20 (notched)	Impact resistance	(kJ · m-2)	ISO 179
Heat deflection Temperature ⁵	96	110		Heat deflection Temperature ⁵	(°C)	ISO 75
Working temperature ⁵			− 20 ... + 85	Working temperature ⁵	(°C)
Mixing ratio (P : Iso)	120 : 100	100 : 100	100 : 74	Mixing ratio (P : Iso)	(in weight)
Mix viscosity at 25°C	1000	700	885	Mix viscosity at 25°C	(mPa · s)
Pot life by 25°C	7 ½	10	13	Pot life by 25°C	(min)
Demoulding time by 70°C	40	45	120	Demoulding time by 70°C	(min)
Linear shrinkage thickness by 23°C	7	7	7	Linear shrinkage thickness by 23°C	(mm/ m)
App. maximum wallthickness				App. maximum wallthickness	(mm)
Mould life in silicone ⁶	30 − 50	30 − 50	30 +	Mould life in silicone ⁶	(number of parts)
STORAGE & COMMENTS				STORAGE & COMMENTS
Standard & alternative packaging	13,2	12 20	10,44 17,4	Standard & alternative packaging	(kg)
Shelf life ⁷	18	18	18	Shelf life ⁷	(months)
Annotations	Flexible product Colourable Suitable for living hinges Long mould life	Very strong material Colourable Intermediary rigidity Long mould life Flame retardant according to EN 60695-11-10A (HB)	Very good all round properties Extremely long mould life Flame retardant according to EN 60695-11-10A (HB)	Annotations

Do you have a question?

Just ask us!

+33 3 44 31 72 00 comm@synthene.com

Footnotes

The exact data are available in our TDS. The thermal and mechanical properties have been tested under specific conditions of curing and post-curing
Simulation of plastic once the resin is cured
Under UV action, the colour tends to darken
All the colours indicated in this document are illustrative and not contractual
After heat treatment
Silicone mould life: according to our experience, depending on the mould geometry, surface, demoulding time, kind of silicone, etc.
On unopened jerry-cans or bottles
flame resistance, chemical resistance, dielectric properties, thermal conductivity, food compatibility, optical properties

HDPE & PP-like

the Flexible PR740

the Five Star PR777

the cold-curing HPR65

Technical Data

Footnotes