Common extruded rubber-MingYi

Common grade fumed rubber for extrusion has good extrudability and yellowing resistance. They are applicable to production of various silicone rubber tubes, sealing joint strips, foam strips, shaped strips, wires and cables by extrusion process.

Typical Properties:

Category		Item
Rubber for extrusion		MY D9650	MY D9660	MY D9670	MY D9680
Appearance		Transparent
Vulcanization	Hardness Shore A	50±2	60±2	70±2	80±2
	Tensile strength MPa≥	8.5	8.5	8.5	8.0
	Elongation at break %≥	400	400	300	200
	Breaking set %≤	12	12	12	10
	Tear strength B KN/m≥	25	25	25	20
Post-curing	Hardness Shore A	57±2	68±2	76±2	85±2
	Tensile strength MPa≥	8.0	8.0	8.0	7.5
	Elongation at break %≥	350	350	260	150
	Tear strength B KN/m≥	18	18	18	18
Specific density 25°C g/cm³		1.15±0.04	1.18±0.04	1.22±0.04	1.25±0.04
*Compression set 18022h %**≤		35	35	35	30
Resilience %≥		50	45	45	40
Dielectric strength kV/mm ≥		20	20	20	20
Volume resistivity Ω.cm≥		1.0 x 10¹⁵	1.0 x 10¹⁵	1.0 x 10¹⁵	1.0 x 10¹⁵

Physical data in the above table is for reference only.

Vulcanization condition: 175℃× 5Min. Post-curing condition: 200℃ x 4h

Addition of curing agent: liquid 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane: 0.65%.

Advantage:

- Good processability

- Excellent comprehensive physical properties

- Good extrusion property and yellowing resistance

Applications:

- Various silicone rubber tubes, sealing joint strips, wires and cables

Packing & Storage:

- 20kg/ carton lined with plastic bags or sheets.

- The products have a shelf life of 9 months from date of manufacture depending on the shore hardness if stored at room temperature in the originally sealed container.