Dow Silastic® NPC 9300-70 LSR Non-Post-Cure Liquid Silicone Rubber

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Dow Silastic® NPC 9300-70 LSR Non-Post-Cure Liquid Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	SILASTIC™ NPC 9300 Series LSRs are low-volatility, high-strength silicone elastomers formulated to meet the requirements of food and infant care regulated applications without the need for post-cure. Product applications: Infant care (soothers, nipples) Food contact (cookware, valves, diaphragms) General consumer articles Key Features: Low volatile content Eliminates post-cure operations Enables streamlined processes and part design flexibility High strength Unique rheology Low modulus Former Dow Corning brand.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.12 g/cc	1.12 g/cc	ASTM D792
Volatiles	0.25 %	0.25 %	EN 1400:2013; EN 14350-2:2004
Viscosity	210000 cP @Frequency 10 Hz	210000 cP @Frequency 10 Hz	Part B; CTM 1094
	220000 cP @Frequency 10 Hz	220000 cP @Frequency 10 Hz	Part A; CTM 1094

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	67	67	ASTM D2240
Tensile Strength	9.60 MPa	1390 psi	ASTM D412
Elongation at Break	320 %	320 %	ASTM D412
Tear Strength	27.0 kN/m	154 pli	ASTM D624 DIE B

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes	Food Contact; FDA 21 CFR 177.2600

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PDOW9918 / 233121

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