Rubber for Molding Used to Manufacture Silicone Rubber Products with Requirement for High Transparency Keypads Sanitary Products and O-Rings

• 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
• Specific Density 25°c G/Cm³: 1.07±0.04
• Compression Set 180*22h %≤: 55
• Resilience %≥: 55
• Model NO.: Rubber for molding
• Dielectric Strength Kv/mm ≥: 20
• 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

Rubber for molding

Standard grade fumed rubber for molding has good physical properties, yellowing resistance and good processability. They are applicable to molded products with requirement for high transparency. E.g., keypads, sanitary products and industrial miscellaneous parts such as O-rings and sealing gaskets.

 

       Typical Properties:

Category		Item
Rubber for molding		IOTA D9130	IOTA D9140	IOTA D9150		IOTA D9160		IOTA D9170	IOTA D9180		IOTA D9190
Appearance		Transparent
Vulcanization	Hardness Shore A	30±2	40±2	50±2	60±2		70±2			80±2		86±2
	Tensile strength MPa≥	8.0	8.0	8.5	8.5		8.0			8.0		6.0
	Elongation at break %≥	700	600	500	400		300			200		120
	Breaking set %≤	8	8	8	8		8			8		6
	Tear strength B KN/m≥	15	20	25	25		25			20		10
Post-curing	Hardness Shore A	35±2	45±2	56±2	66±2		74±2			84±2		90±2
	Tensile strength MPa≥	7.0	7.5	8.5	8.5		8.0			7.5		5.5
	Elongation at break %≥	650	550	450	400		300			200		100
	Tear strength B KN/m≥	10	18	20	20		20			18		8
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			1.25±0.04		1.26±0.04
Compression set 180*22h %≤		55	45	50	50		45			40		35
Resilience %≥		55	50	50	50		45			40		35
Dielectric strength  kV/mm ≥		20	20	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			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

- Flexible comprehensive physical properties

- Good yellowing resistance

 

Applications:

- Used to manufacture silicone rubber products with requirement for high transparency, such as Keypads, sanitary products and O-rings

 

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.