TPR Injection Molding Materials

TPR Injection Molding Materials are designed for injection molding, offering excellent flow properties, easy filling, rapid cooling, and burr-free results. They feature high resilience, slip resistance, and wear resistance, are eco-friendly and non-toxic, and are suitable for high-volume injection molding production of toys, handles, overmolding, and seals. They are of superior quality and come with guaranteed after-sales support.

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Product Description

TPR Injection Molding Materials are modified from SBS/SEBS base materials and optimized specifically for injection molding processes. They feature melt stability, easy demolding, and short cycle times, allowing for direct injection molding without vulcanization. With adjustable hardness, a comfortable feel, slip resistance, and wear resistance, these materials are eco-friendly, odorless, and recyclable. They are suitable for various soft rubber parts and overmolded products.

What are the advantages of Zhongsuwang’s injection molding services?

1. Dedicated injection molding formulations ensure excellent flow, rapid filling, and easy demolding, with no mold sticking, flow marks, or flash.

2. Stable molding and high consistency significantly improve production efficiency.

3. Suitable for direct injection molding, two-color injection molding, and overmolding, compatible with fully automatic injection molding machines for mass production.

Technical Reference Table

Base Material	SBS/SEBS-based TPR
Hardness	Shore A 5–90 (customizable)
Processing Temperature	170–220°C
Properties	High flow, high resilience, wear-resistant and slip-resistant, easy to color, eco-friendly and non-toxic
Suitable Processes	Injection molding, two-color injection molding, secondary overmolding

Test Item Brand No	TC-10AN	TC-20AN	TC-30AN	TC-40AN	TC-50AN	TC-60AN	TC-70AN	TC-80AN	TC-90AN	TC-100AN
Hardness (A)	10	20	30	40	50	60	70	80	90	100
Specific gravity (g/cm3)	0.867	0.868	0.876	0.884	0.868	0.888	0.890	0.904	0.898	0.906
Melt index (g/10min)	2.5	10	2.8	17	15.7	10	3.5	0.7	14	6
Tensile strength (MPa)	1.9	2.6	3. 1	2.5	3.0	3.3	4.0	6.2	12. 1	15.8
Elongation break (%)	800	800	750	662	466	484	493	520	707	690
Tear strength (KN/m)	6	7	14	14	21	21	27	42	61	112
Applicable Temperature（℃)	-40/60	-40/60	-40/60	-40/60	-40/80	-40/80	-40/80	-40/80	-40/80	-40/80
Handiness Tolerance（Shore A)	+3A
Shaped Shrinkage Rate (Portrait Average) （%)	1.2%-1 .8%
Surface	lesser light、matte

What injection-molded products are TPR Injection Molding Materials suitable for?

Widely used in toy figurines, tool handles, toothbrush grips, electronic overmolding, anti-slip mats, seals, watch straps, shoe soles, soft rubber stationery, etc., replacing PVC, latex, and certain silicones with lower costs and simpler processing.

FAQ

Q: Which materials can TPR Injection Molding Materials be overmolded onto?

They can be overmolded onto common engineering plastics such as PP, ABS, PC, PA, and nylon. Different base materials require matching grades to ensure a secure bond that does not peel off.

Q: Can the hardness of TPR be customized?

Yes, to meet the needs of different products.

Q: Are TPR injection molding materials eco-friendly and non-toxic?

They comply with RoHS and REACH environmental standards. They are halogen-free, odorless, and contain no plasticizers, making them suitable for toys, daily necessities, and food-contact products.

Q: Can you provide samples of TPR injection molding materials for testing?

Yes, we provide free samples for mold testing and support customization of color and performance.

Q: What is your lead time?

We have 20 production lines and can customize TPE, TPR, and TPR according to your requirements. A 40-foot container typically takes about 5 business days.

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