Common High-Strength Rubber Used in Various Molded Silicone Rubber Products Requiring High Strength

• Appearance: Liquid
• Usage: Oil Drilling Auxiliary Agent, Water Treatment Chemicals, Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Textile Auxiliary Agents, Paper Chemicals, Surfactants, Leather Auxiliary Agents, Electronics Chemicals
• Color: Transparent
• Model NO.: Common high-strength rubber
• Transport Package: 20kg/ Carton Lined with Plastic Bags or Sheets
• Specification: 20kg/ carton lined with plastic bags or sheets
• Trademark: IOTA
• Origin: Bengbu Anhui China
• HS Code: 391000
• Production Capacity: 800t/Moth

Product Description

Common high-strength rubber

Common grade high-strength fumed rubber for molding has high tear strength. They are applicable to molding process and can be used to manufacture silicone rubber products requiring high tear strength.

 

       Typical Properties:

Category		Item
High-strength rubber		IOTA D9730	IOTA D9740	IOTA D9750	IOTA D9760	IOTA D9770
Appearance		Transparent
Vulcanization	Hardness Shore A	30±2	40±2	50±2	60±2	70±2
	Tensile strength MPa≥	8.0	8.5	8.5	8.5	8.5
	Elongation at break %≥	600	500	400	400	300
	Breaking set %≤	8	8	8	8	8
	Tear strength B KN/m≥	20	30	35	35	35
Post-curing	Hardness Shore A	33±2	45±2	55±2	65±2	75±2
	Tensile strength MPa≥	6.0	7.5	8.0	8.0	8.0
	Elongation at break %≥	540	450	350	300	250
	Tear strength B KN/m≥	10	18	20	20	20
Specific density 25°C g/cm³		1.07±0.04	1.13±0.04	1.15±0.04	1.18±0.04	1.22±0.04
Compression set 180*22h %≤		55	50	50	45	45
Resilience %≥		55	50	50	45	40
Dielectric strength  kV/mm ≥		20	20	20	20	20
Volume resistivity .cm≥		1.0 x 10¹	1.0 x 10¹	1.0 x 10¹	1.0 x 10¹	1.0 x 10¹

Physical data in the above table is for reference only.

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

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

 

Advantage:

- Flexible processability

- High tear strength

- Good yellowing resistance

 

Applications:

- Various molded silicone rubber products requiring high strength

 

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.