Investment casting-6808

Material Overview

6808 is a high-precision UV curing resin which can provide stable investment casting mold. 6808 can be applied to the production of master models, conceptual models, general parts, and some functional parts in the automotive, medical, consumer electronics and other industrial fields.

 

Advantages

-Improved strength retained, improved dimensions retention of parts in humid condition
-Need minimal part finishing
-Long shelf life in machine

Specifications

Liquid Properties

Measurement	Condition	Value
Viscosity	@25℃	150-200 cps
Color	Clear Amber
Density	@ 25 °C (77 °F)	1.116 g/cm³

Optical Properties

Ec(critical exposure)	Dp(slop of cure-depth vs.ln(E) curve)
8.7 mJ/cm2	0.16 mm

Mechanical Properties (90 Minutes UV Postcure)

ASTM Method	Property Description	Value
ASTM D 638	Tensile Modulus	2510-2620 MPa
ASTM D 638	Tensile Strength at Break	53-55MPa
ASTM D 638	Elongation at Break	3.8-7.9%
ASTM D 648 @66PSI	Heat Deflection Tempertature	60-65 ℃
ASTM D 790	Flexural Strength	60-63 Mpa
ASTM D 790	Flexural Modulus	2280-2370 Mpa
ASTM D 256	Izod Impact (Notched)	45-50 J/m
ASTM D 2240	Hardness Shore D	85