12mm Glass Fiber Chopped Strands for BMC
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12mm Glass Fiber Chopped Strands for BMC

Chopped Strands for BMC are compatible with unsaturated polyester, epoxy resin and phenolic resin. The end-use applications include transportation, building&construction, electronic&electrical, mechanical, and light industry.
  • 12mm

  • YuNiu Fiberglass

  • 20171024-1

Product Description

12mm Glass Fiber Chopped Strands for BMC are compatible with unsaturated polyester, epoxy resin and phenolic resin. Suitable for the mold molding, transfer molding and injection molding technology, products of good mechanical performance, high dimensional stability and good surface finish, good water resistance, oil resistance, corrosion resistance, heat resistance, excellent electric properties, especially the arc resistance can reach about 190 s. Resin sizing agent in formula, the main ingredients with the sheet molding compound, packing, generally without thickening agent, then resin sizing agent and chopped glass fiber length (about 3 ~ 25 mm) fully mixing system. Mainly used in electrical, motor, radio, instrument, machinery manufacturing, chemical equipment, construction, transportation, defense and other departments. 

chopped-Strands-for-BMC  chopped-Strands-for-BMC

Product features

1. Good cluster, low static, low in wool 

2. Good thermal resistance and low color difference 

3. Good interface performance with matrix resin 

4. There is very good fluidity in the resin, dispersing evenly 

5. Good physical and chemical properties can be given to composite materials 

6. Silane coupling agent is used. 

7. With proprietary infiltrating agent, the short cut fiber has good solubility with the matrix resin. 

8. Good processing performance, good cluster and dry state fluidity, and short cutting silk has good dispersibility during injection molding. 

9. Short cut wire composites have high mechanical strength and good appearance quality. 

Product application

Bulk molding compound (BMC) or bulk molding composite is a ready to mold, glass-fiber reinforced thermoset polyester material primarily used in injection moulding and compression moulding. The material is provided in bulk or logs.

BMC is manufactured by mixing strands of chopped glass fibers in a mixer with a thermoset resin (commonly polyester resin, vinyl ester or epoxy resin). The glass fibers in BMC result in better strength properties than standard thermoplastic products. Typical applications include demanding electrical applications, corrosion resistant needs, appliance, automotive, and transit.


Packing and shipping

Glass Fiber Chopped Strands are packaged in kraft bags or woven bags, about 25kg per bag, 4 bags per layer, 8 layers per pallet and 32 bags per pallet, Each 32 bags of products are packed by multilayer shrink film and packing band. Also the product can be packed as the customers’ reasonable requirements.

Delivery Detail: 15 days after receiving the deposit.


Product storage

This product should be stocked in dry and cool places. The best condition is within temperature between 15-35℃, with a relative humidity between 30% and 70%. Please keep the product in its original packing before use to avoid moisture.


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  • Q 6:What's your delivery time for production?

    A:If we have stock , can delivery in 7 days ; if without the stock, need 7~15 days !
    YuNiu Fiberglass Manufacturing
    Your success is our business!
    Any questions, please contact us freely. 

  • Q 5:How do you charge the sample fees?

    A: If you need a samples from our stock, we can provide to you for free, but you need to pay the freight charge.If you need a special size, We will charge the sample making fee which is refundable when you place an order.
  • Q 4:When can I offer?

    A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price pls call us or tell us in your email , so that we can reply you priority.
  • Q 3:Package & Shipping?

    A: Normal package:carton(Incuded in the unite price)
    Special Packge: need to charge according the actual situation.
    Normal shipping :your nominated Freight forwarding.
  • Q 2:What's the MOQ?

    Usually 1 Ton.
  • Q 1:Are you a factory? Where are you located?

    We are a manufacturer from China.
  infor1@fiberglassyn.com