'EMS Grivory系列PPA------------------------1

EMS Grivory系列PPA型號特點簡介；

PPA (Polyphthalamide ) 聚鄰苯二甲酰胺，在高溫高濕狀態(tài)下，PPA的抗拉強度比尼龍6高20%，比尼龍66更高；PPA材料的彎曲模量比尼龍高20%，硬度更大，能抗長時間的拉伸蠕變；且PPA的耐汽油、耐油脂和冷卻劑的能力也比PA強；一種耐高溫尼龍，這種材料可以耐200℃的持續(xù)高溫，并且還能保持良好的尺寸穩(wěn)定性。聚鄰苯二甲酰胺（簡稱PPA）樹脂是以對苯二甲酸或鄰苯二甲酸為原料的半芳香族聚酰胺。既有半結(jié)晶態(tài)的，也有非結(jié)晶態(tài)的，其玻璃化溫度在255°F左右。非結(jié)晶態(tài)的PPA主要用于要求阻隔性能的場合；半結(jié)晶態(tài)的PPA樹脂主要用于注塑加工，也用于其它熔融加工工藝。下文主要介紹后者——半結(jié)晶態(tài)PPA樹脂，特別注明的除外。半結(jié)晶態(tài)PPAS的熔點約為590°F，以不透明矩形切片的形式供應(yīng)。

EMS Grivory系列PPA 同系列通用型號介紹

Grivory G 16 Aromatic; Barrier Resin; Food Contact Acceptable

Grivory G 21 Aromatic; Barrier Resin; Food Contact Acceptable

Grivory G 25 Aromatic; Barrier Resin; Food Contact Acceptable

Grivory GM-4H Aromatic; Medium Heat Resistance

Grivory GTR 45 Aromatic; Barrier Resin; Food Contact Acceptable

Grivory GV-2 FWA black 9225 Aromatic; Food Contact Acceptable

Grivory GV-2 FWA nat Aromatic; Food Contact Acceptable

Grivory GV-2H Nylon Aromatic

Grivory GV-2H black Aromatic

Grivory GV-4 FWA black 9225 Aromatic; Food Contact Acceptable

Grivory GV-4 FWA nat Aromatic; Food Contact Acceptable

Grivory GV-4H Aromatic

Grivory GV-5 FWA nat Aromatic; Food Contact Acceptable

Grivory GV-5H Aromatic

Grivory GV-5HL Aromatic; Good UV Resistance

Grivory GV-6 FWA black 9225 Aromatic; Food Contact Acceptable

Grivory GV-6 FWA nat Aromatic; Food Contact Acceptable

Grivory GV-6H Aromatic

Grivory GV-6H black Aromatic; High Impact Resistance

Grivory GVL-4H nat High Heat Resistance

Grivory GVL-5H black 9915 High Heat Resistance

Grivory GVL-5H nat High Heat Resistance

Grivory GVL-6H black 9915 High Heat Resistance

Grivory GVL-6H nat High Heat Resistance

Grivory GVN-35H black 9915 Aromatic; High Impact Resistance

Grivory GVN-5H black 9915 Aromatic; Good Flow; Good Mold Release

Grivory GVS-5H black 9915 Aromatic

Grivory GVS-5H nat Aromatic

Grivory GVX-5 H Aromatic; Good Flow; Good Mold Release

Grivory GVX-5 H nat Aromatic

Grivory GVX-6 H black 9915 Aromatic; Good Flow; Good Mold Release

Grivory GVX-6 H nat Aromatic; Good Flow; Good Mold Release

Grivory GVX-65 H black 9915 Aromatic; Good Flow; Good Mold Release

Grivory GVX-65 H nat Aromatic; Good Flow; Good Mold Release

Grivory GVX-7 H black 9915 Aromatic; Good Flow; Good Mold Release

Grivory GVX-7 H nat Aromatic; Good Flow; Good Mold Release

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