Liquid Silicone Rubber for Baby Nipples/ Liquid Silicone Rubber (for Baby Feeding Products) Manufacturer

Liquid Silicone Rubber for Baby Nipples/ Liquid Silicone Rubber (for Baby Feeding Products)

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Model No.
LIM3900-20A/B, LIM3900-30A/B, LIM3900-40A/B, LIM3900-50A/B, LIM3900-60A/B, LIM3900-70A/B, LIM3900-15A/B

Product Description
This LSR is a platinum catalyzed, two-component, high transparence, high tear strength, liquid silicone rubber. Certified by RoHS, it is specially manufactured to produce baby nipples. Our liquid silicone rubber features excellent elastic resilience, good thermal aging resistance and anti-yellowing property. It is stable and resistant to extreme environments and temperatures from -60℃ to 230℃, while still maintaining its useful properties. Please note that the mixture of the two components has an effective operating time of five days under 23℃ condition.

Main Applications
The liquid silicone rubber is ideal for making baby feeding products such as baby nipples, feeding bottles, caps of feeding bottle, baby tableware, seal rings of breast pump, baby toys, etc.

Storage
The shelf life for this product is 360 days in a room temperature of no more than 30℃. Once open, keep sealed, store in cool place and consume within seven days.

Usage
Use a static mixer to mix the two components, A and B, with a ratio of 1:1. Feed the mixture directly into an injection molding machine.

Packaging
It is packed in 20kg or 200kg barrels.

Typical Properties

Physical properties	Test method	Unit	LIM3900-15A/B	LIM3900-20A/B	LIM3900-30A/B	LIM3900-40A/B	LIM3900-50A/B	LIM3900-60A/B	LIM3900-70A/B
Appearance (Color)	Visual		Transparent	Transparent	Transparent	Transparent	Transparent	Transparent	Transparent
Viscosity	DIN53019	mPa.s	(80 ~ 90) ×10⁴	(60 ~ 80) ×10⁴	(75 ~ 100) ×10⁴	(75 ~ 150) ×10⁴	(70 ~ 90) ×10⁴	(70 ~ 100) ×10⁴	(80 ~ 90) ×10⁴
Specific gravity	D792		1.07	1.08	1.09	1.10	1.10	1.12	1.13
Light transmittance		%	≥80	≥80	≥80	≥80	≥ 80	≥80	≥80
Elastic resilience			≥ 45	≥ 45	≥45	≥55	≥58	≥ 65	≥ 60
SHORE Hardness	D2240	A	15±2	20±2	30±2	40±2	50±2	60±2	68±2
Tensile strength	D412	MPa	≥ 5.5	≥ 6.5	≥8.5	≥8.5	≥ 8.5	≥ 8.5	≥ 8.5
Elongation at Break	D624B	KN/m	≥ 9.0	≥ 8.0	≥ 15	≥ 27	≥ 30	≥ 30	≥ 32
Tear strength	D412	%	≥ 1000	≥950	≥880	≥650	≥ 500	≥450	≥ 440
Compression set	DIN53 517 22hrs @ 175 ℃	%	≤25	≤25	≤25	≤25	≤25	≤25	≤25
Linear shrinkage	JISK 6301	%	≤ 2.5	≤ 2.5	≤ 2.5	≤2.5	≤ 2.5	≤ 2.5	≤ 2.5

Note:
The above technical properties are for reference only. For detailed molding conditions, please contact us directly.

We are a liquid silicone rubber for baby nipples manufacturer, based in China. In addition to this product, we provide silicone for automobile, fast cure silicon rubber, silicon gel, highly transparent silicon rubber, and more. As a result of high quality and economical prices, our products are sought after by customers around the globe.

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