M6500 pages
Product Data Sheet
Version 02 / 2011
SikaBlock® M650
Areas of Application
Product Benefits
Data control models and cubings
Master models in tool and mould construction
Manufacture of moulds for low pressure reaction
injection moulding
Vacuum forming moulds for lower number of
pieces
Very high dimensional stability
Good compressive strength and edge stability
Good solvent resistance
High heat distortion temperature
Easy machinability
Low dust formation when milled
Dense fine surface and good to varnish
Description
Basis
Adhesive
Filler
Polyurethane, reddish brown
Biresin ® Kleber braun, two-component-PUR-system, brown
Biresin ® Spachtel braun, two-component-polyester-system, brown
Physical Data (approx. values)
SikaBlock® M650
Density
ISO 845
g/cm³
0.58
Shore hardness
ISO 868
-
D 58
Flexural strength
ISO 178
MPa
18
E-Modulus
ISO 604
MPa
700
Compressive strength
ISO 178
MPa
17*
Impact resistance
ISO 179 Ue
kJ/m²
5
Heat distortion temperature
ISO 75 B
°C
85
Linear thermal expansion coefficient αT
DIN 53 752
K
-1
55 x 10 -6
* at 10% compressive strain
Processing Data
Biresin ® Kleber braun
Adhesive / Filler
Mixing ratio
Biresin ® Spachtel braun
100 : 65
100 : 2
in parts by weight
Potlife
min
Setting time
h
20
5
8 - 10
> 20 min
Packaging
Board materials
SikaBlock® M650
Adhesive
Biresin® Kleber braun, resin
Biresin® G53, hardener
Biresin® Spachtel braun, resin
Filler
BPO-Paste, hardener
1500 mm x 500 mm x 30 mm, 30 pieces / pallet
1500 mm x 500 mm x 50 mm, 25 pieces / pallet
1500 mm x 500 mm x 75 mm, 16 pieces / pallet
1500 mm x 500 mm x 100 mm, 12 pieces / pallet
1500 mm x 500 mm x 150 mm, 8 pieces / pallet
1.5 kg net
4 kg; 0.975 kg net
2 x 8.74 kg net cartridges
6 x 1.76 kg net resin tins in a box
2 x 0.16 kg net sticks (for cartridges)
6 x 0.04 kg net tubes in a box (for tins)
SikaBlock® M650 1 7 2
Tooling & Composites
Model board
"