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