SG95A – SG21B Hi Impact Fast Cast

Fast Cast SG95A – SG21B

Quick – Setting Polyurethane Resin

 High Impact

Fast Cast SG95A Polyol with SG21B hardener ISO is an unfilled, low odor, quick – setting 2 component polyurethane casting system, which can be processed with a variety of fillers. Can be pigmented.

 

The particularly low viscosity of this system allows a high proportion of fillers to be added. It is recommended that the quantity of the filler be split between the two components, for easy mixing.

 

FEATURES

 

Low Viscosity – High Filler Loading  – Excellent Impact Strength – High Flexural Strength

High toughness with good mechanical properties – Low Shrinkage – Great Cost / Performance Ratio

 

APPLICATIONS

 

Moulds  – Models – Patterns – Vacuum Forming Tools – Production parts 

 

Description

 

Colour:                SG95 A         Amber white, with moisture scavenger additive

                                    SG21B            Amber brown

 

Mixing Ratio:      SG95A                        100      by weight

                                    SG21B                        100     

                                               

Viscosity:             SG95A                          75       cps at 25 Deg. C

                                    SG21B                          100     cps at 25 Deg. C

                                    Mixed                           85       cps at 25 Deg. C

 

Mixed Viscosity with Filler

                             SG95A            100 g               F33      100 g  

                                    SG21B            100 g               F33      100 g  

                                    Viscosity         1500 cps

 

Pot Life :                                       3 to 4  minutes         at 25 Deg. C

Temperature Rise :                  63 Deg. C                 at 25 Deg. C (1,5 kg).

Demoulding Time:                   40 to 60 minutes       at 25 Deg. C

                                                                         

 

 

 

SG95A – SG21B

 

 

 

CHARACTERISTICS after CURE ( 3 days at 25C)

 

SG95A            100                             

                                    SG21B            100                            

                                               

                                                       Unfilled                   Filled

Hardness :  Shore D  ( 4 hours)        70                              80

Flexural Strength:                            55 MPa

Flexural Modulus                             1100 MPa                   3000 Mpa

 

Tensile Strength:                              35 MPa

Elongation in Tension:                     10 % 

Impact Strength                                 25 KJ/ m2                   15 KJ / m2

Linear Shrinkage:                                                        0,15 %           

 

Heat Distortion Temperature  (HDT):     

55 – 65 Deg. C            (7 days @ 25 C)

90 – 95 Deg. C            (2 hours @ 60 + 3 hours @ 80 C)

           

 

SAFETY PRECAUTIONS

 

Normal health and safety precautions apply when handling this product.

Ensure:  Adequate ventilation – Use of gloves and safety glasses – Use of barrier creams

– Use of suitable hand cleaners

 

STORAGE

 

The shelf life is 12 months in unopened containers at room temperature.

 

 

The above data are offered for customer’s guidance only. It implies no guarantee. Customers must conduct their own tests to determine the suitability of the material for their specific applications. Technoresin cannot assume responsibility for results obtained by use of this product as we have no control over end-use application or handling. Technoresin therefore specifically disclaims any damage or loss of any kind in relation to the use of this product. (Version 21.1)