Compare with other processes-Nelson Miller

PU RIM PROCESS

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Comparison between vacuum forming and reflective injection molding processes
	Vacuum Forming	Reactiong Injection Molding(RIM)
mold material	die steel	aluminum alloy, epoxy fiberglass
mold form	single facial mask	cavity membrane
mold cost	low	midddle
mold manufacturing cycle	10days	20days
product production efficiency	20~50 pieces/8h	20~30 pieces/8h
equipment to mold correspondence ratio	1-on-1	1-to-many
product appearance performance rate	bad	excellent
internal structure of product	adhesive bonding	possess
product design freedom	bad	excellent
product wall thickness	uniform wall thickness	uneven wall thickness
product assembly effect	bad	excellent
product interchangeability	bad	excellent
product spraying cost	middle	middle
product density	1000	600~1200
product hardness	Share D 70	Share A 40~90/Share D 60~70
product materials	ABS,PP,etc	PU,DCPD
product coverage capability	/	Various materials such as optical fibers, circuit boards, metal parts, wood, etc
process application characteristics	Low cost, small batch production	Large scale, deep, high-quality, small and medium-sized batch products

Compare With Other Processes

Comparison between injection molding and reflective injection molding processes
	Injection Molding	Reactiong Injection Molding(RIM)
mold material	die steel	aluminum alloy, epoxy fiberglass
mold form	cavity membrane	cavity membrane
mold cost	high	midddle
mold manufacturing cycle	30days	20days
product production efficiency	100-200 pieces/8h	20~30 pieces/8h
equipment to mold correspondence ratio	1-on-1	1-to-many
product appearance performance rate	excellent	excellent
internal structure of product	Possess	possess
product design freedom	excellent	excellent
product wall thickness	Uniform wall thickness	Uneven wall thickness
product assembly effect	excellent	excellent
product interchangeability	excellent	excellent
product spraying cost	Low	middle
product density	1000	600~1200
product hardness	Share A 40~90/Share D 60~70	Share A 40~90/Share D 60~70
product materials	ABS,PP,etc	PU,DCPD
product coverage capability	Metal parts	Various materials such as optical fibers, circuit boards, metal parts, wood, etc
process application characteristics	Large quantity products	Large scale, deep, high-quality, small and medium-sized batch products

Comparison between fibreglass reinforced plastics and reflective injection molding processes
	Fibreglass Reinforced Plastics(FRP)	Reactiong Injection Molding(RIM)
mold material	FRP	aluminum alloy, epoxy fiberglass
mold form	Single facial mask	cavity membrane
mold cost	low	midddle
mold manufacturing cycle	10days	20days
product production efficiency	2~3pieces/8h	20~30 pieces/8h
equipment to mold correspondence ratio	/	1-to-many
product appearance performance rate	bad	excellent
internal structure of product	Adhesive bonding	possess
product design freedom	bad	excellent
product wall thickness	Uneven wall thickness	Uneven wall thickness
product assembly effect	bad	excellent
product interchangeability	bad	excellent
product spraying cost	middle	middle
product density	1800	600~1200
product hardness	Share D 70	Share A 40~90/Share D 60~70
product materials	Polyester+fiberglass/epoxy+fiberglass	PU,DCPD
product coverage capability	Various materials	Various materials such as optical fibers, circuit boards, metal parts, wood, etc
process application characteristics	Large volume, high rigidity products	Large scale, deep, high-quality, small and medium-sized batch products